18. Enjinier Jun2013 - school of materials and mineral resources

Buletin Pusat Pengajian Kejuruteraan Bahan dan Sumber Mineral
Bulletin for the School of Materials and Mineral Resources Engineering
Universiti Sains Malaysia
ENJINIER
JIL. 15 BIL. 01
No. ISSN: 1511-5275
http://www.usm.my
JUN 2013
AKREDITASI PROGRAM
AKADEMIK PUSAT PENGAJIAN
KEJURUTERAAN BAHAN DAN
SUMBER MINERAL
Prof. Dr. Ahmad Fauzi (kanan) dan Exco PPKBSM bersama panel
Majlis Akreditasi Kejuruteraan (EAC), Lembaga Jurutera Malaysia
PELANTIKAN AHLI-AHLI
JAWATANKUASA EXCO PPKBSM
2013-2015
Ahli-ahli Jawatankuasa Exco Pusat
Pengajian Kejuruteraan Bahan dan
Sumber Mineral (PPKBSM) yang baru
telah dilantik berkuatkuasa pada 1
Januari 2013 sehingga 31 Disember
2015. Pelantikan ini terdiri daripada
Dekan, tiga orang Timbalan Dekan, tiga
orang
Pengerusi
Rancangan
dan
Penolong Pendaftar. PPKBSM diketuai
oleh Profesor Dr. Hanafi Ismail (FASc)
sebagai Dekan, Profesor Dr. Zainal Arifin
Ahmad (Timbalan Dekan-Penyelidikan),
Prof. Madya Dr. Syed Fuad Saiyid Hashim
(Timbalan Dekan-Akademik) dan Prof.
Madya Dr. Hashim Hussin (Timbalan
Dekan-Pembangunan
Pelajar
dan
Bahagian
Jaringan
Industri
&
Masyarakat). Sementara itu, tiga orang
Pengerusi Rancangan pula terdiri daripada Profesor Ir. Dr. Mariatti Jaafar
(Kejuruteraan Bahan), Dr. Norlia Baharun
(Kejuruteraan Sumber Mineral) dan Prof.
Madya Dr. Zulkifli Mohamad Ariff
(Kejuruteraan Polimer). Seorang pegawai
pentadbiran
juga
dilantik
dalam
jawatankuasa ini iaitu En. Mior Zulbahri
M.Chek (Ketua Penolong Pendaftar).
Jawatankuasa ini berperanan dalam
memastikan kelancaran fungsi-fungsi
pentadbiran, pengurusan dan apa juga
yang berhubung dengan pelaksanaan
keputusan Universiti.
Buletin Enjinier, Jun 2013
LAPORAN KPI PPKBSM (2012)
Pengumpulan data-data KPI PPKBSM
tahun 2012 bermula sekitar bulan Julai
sehinggalah
Disember
2012.
Pengumpulan data-data ini adalah penting dalam
menentukan samada KPI
pusat pengajian berjaya dalam usaha
mencapai matlamat di dalam sebuah
Universiti Penyelidikan (RU). Penilaian KPI
adalah berasaskan kepada Malaysian
Research Assessment Instrument II
(MyRA II) iaitu satu instrumen penilaian
untuk Universiti Penyelidikan Matang.
MyRA II memfokuskan kepada kecemerlangan dengan menghasilkan penyelidikan dan modal insan yang lebih
berkualiti. Untuk itu, perolehan markah
keseluruhan KPI PPKBSM dalam MyRA II
adalah sebanyak 67.79 yang mana pencapaian di dalam Seksyen C iaitu Quantity
and Quality of Research mencatat markah
yang amat baik iaitu sebanyak 45.25
berbanding MyRA I dengan markah
37.50. Catatan markah keseluruhan yang
diperoleh dalam MyRA I pula adalah
sebanyak
83.40
manakala
MyRA
sebanyak 116.06. Pencapaian PPKBSM
untuk tahun-tahun seterusnya akan terus
dipertingkatkan lagi dengan penambahan
dari segi output dan impak penyelidikan
serta dalam masa yang sama turut memberi impak kepada komuniti atau kepada
golongan sasaran.
20-21 Mac 2013 - Program ijazah
yang ditawarkan oleh Pusat Pengajian
Kejuruteraan Bahan dan Sumber Mineral
iaitu Kejuruteraan Bahan, Kejuruteraan
Sumber Mineral dan Kejuruteraan Polimer
telah melalui proses akreditasi oleh pihak
Majlis Akreditasi Kejuruteraan (EAC),
Lembaga Jurutera Malaysia. Tujuan
akreditasi adalah untuk memastikan
bahawa program kejuruteraan yang diiktiraf memenuhi keperluan akademik minimum untuk pendaftaran sebagai jurutera
siswazah dengan Lembaga Jurutera
Malaysia (BEM). Untuk proses akreditasi
kali ini, program Kejuruteraan Bahan dan
Kejuruteraan Sumber Mineral memohon
untuk kitaran baru (new cycle) manakala
Kejuruteraan Polimer memohon akreditasi
untuk pelanjutan. Panel yang hadir untuk
menilai ketiga-tiga progam terdiri dari 3
orang untuk Kejuruteraan Bahan, 2 orang
Kejuruteraan Sumber Mineral manakala
seorang panel untuk Kejuruteraan
Polimer. Mereka adalah Ir. Prof. Dr. Abdul
Rahman Omar, Ir. Dr. Idris Ibrahim, Ir.
Rozali
Ahmad
untuk
program
Kejuruteraan Bahan, Ir. Prof. Dr. Mohd
Zamin Jumaat dan Ir. Prof. Dr. Law Chung
Lim untuk program Kej.Sumber Mineral
manakala Ir. Prof. Dr. Mohamad Nor
Berhan untuk program Kej. Polimer.
Proses akreditasi kali ini telah berjalan
lancar dan secara umumnya panel
berpuas hati tentang program yang
ditawarkan oleh PPKBSM walaupun terdapat isu-isu kecil yang dibangkitkan.
Proses akreditasi kali ini telah berjalan
lancar dan secara umumnya panel
berpuas hati tentang program yang
ditawarkan oleh PPKBSM walaupun terdapat isu-isu kecil yang dibangkitkan. Ini
dapat dilihat dari laporan yang telah
dihantar oleh pihak EAC kepada PPKBSM.
Kerjasama yang diberikan oleh semua
staf akademik dan sokongan telah
memastikan kejayaan proses akreditasi
ini.
1
Editorial Board
Prof. Dr. Zainal Arifin Ahmad
(Advisor)
Dr. Shah Rizal Kasim
(Chief Editor)
Profesor Dato’ Dr. Omar Osman (kiri) melancarkan buku ‘Kejuruteraan @ USM’
Assoc. Prof. Dr. Syed Fuad
Saiyid Hashim
Assoc. Prof. Dr. Azura A. Rashid
Dr. Arjulizan Rusli
Dr. Pung Swee Yong
THE 5TH REGIONAL CONFERENCE
ON MATERIALS ENGINEERING AND
THE 5TH REGIONAL CONFERENCE
ON NATURAL RESOURCES AND
MATERIALS 2013 (RCM5 &
RCNRM5)
21st-23rd January 2013 - The 5th Regional
Conference on Materials Engineering and
the 5th Regional Conference on Natural
Resources and Materials 2013 (RCM5 &
RCNRM5) were concurrently organized by
School of Materials and Mineral Resources
Engineering, Universiti Sains Malaysia at
Parkroyal Penang Resort Hotel. Both conferences successfully attracted 128 participants to share their research findings for
further improvement of engineering education and research capacity in ASEAN.
This echoed well the theme of the conference, i.e. “Innovating Towards the
Frontiers of Materials & Minerals
Engineering”. It is expected that both
fields endeavour not only to spur manpower development and collaborative
research in these disciplines but have
shown signs of reaching out to industry
and community as signalled by the range
of participation to the Conference. The
success of RCM5 & RCNRM5 was a result
of tremendous support and contributions
from JICA, ASEAN Foundation, AUN-Seed
Net, industrial and state sponsors, and of
course, the enthusiastic response from all
participants. It is worth mentioning that
these conferences concluded the Phase II
of AUN/SEED-Net project in ASEAN.
PERUTUSAN NAIB CANSELOR 2013
11 Januari 2013 - “BUKU 2013:
Mensinergi Ekosfera Universiti Untuk
Kecemerlangan”
telah dipilih sebagai
tema Perutusan Naib Canselor 2013 yang
secara dasarnya memperincikan kesediaan dan perancangan USM dalam menghadapi fasa kedua APEX (2014- 2025).
Majlis berlangsung di Auditorium,
Kompleks Dewan Kuliah, Kampus
Kejuruteraan. Berucap di hadapan hampir
500 warga staf dan pelajar Kampus
Kejuruteraan, Yang Bhg. Profesor Dato’
Dr. Omar Osman turut menyeru warga
kampus agar menanamkan sikap menerima kepada memberi tanpa disuruh selain
percaya kepada nilai yang pelbagai tetapi
matlamatnya seiring dan bertindak dengan menggunakan sepenuh daya upaya,
akal budi dan profesionalisme yang tinggi
dengan penuh akauntabiliti dan integriti.
Bersambung ke m/s 3...
Dr. Mohamad Hazizan Mohamad
Hashim
Ms. Habsah Haliman
Assistant Editor
Ms. Hasnah Awang
Buletin Enjinier, Jun 2013
Tan Sri Dato’ Seri Fumihiko Konishi (right) receives the souvinier from
Prof. Dr. Radzali Othman at RCM5 & RCNRM5
2
ONE-DAY WORKSHOP ON
MATERIALS CHARACTERIZATION
USING XRD
25th April 2013 – One day workshop
on materials characterization using XRD
has been organized by the School of
Materials
&
Mineral
Resources
Engineering (SMMRE) in collaboration
with Malaysian X-Ray Application Society
(XApp) and SMMRE Postgraduate
Students Club (PGSC). Dr. Banjuraizah
Johar from Universiti Malaysia Perlis
(UniMAP) was invited as guest speaker.
54 participants comprised of postgraduates and final year students of SMMRE
attended the course, assisted by 7 facilitators.
The workshop aimed at enhancing the
participants’ skills development on XRD
characterization, the ability to extract and
interpret information from the XRD
results as well as understanding the
structure and compound of materials
The workshop started with a brief
introduction on XRD by Prof. Dr. Zainal
Arifin Ahmad, followed by the details
explanation from Dr. Banjuraizah which
includes the practical session on how to
do a Rietveld method, phase identification, unit cell refinement and also quantification analysis.
All in all, the workshop ended successfully with all the participants thoroughly enjoyed the hands-on tutorial on
XRD characterization. It is hoped that this
workshop act as a kick-start for future
workshops in SMMRE
PINGAT EMAS DAN ANUGERAH
KHAS DI MTE2013 DAN
ITEX2013
21-23 Februari 2013 - Sekalung tahniah diucapkan kepada Prof. Madya Dr.
Srimala Sreekantan dan kumpulan penyelidikannya kerana telah berjaya memperolehi pingat emas untuk produk
Penyelidikan yang bertajuk “NANOCOAT:
Remedy for VOC, bacteria and fungi
growing world” di Malaysian Technology
Expo (MTE2013) yang telah berlangsung
di PWTC. Secara keseluruhan USM telah
memenangi 1 Anugerah Khas, 3 Pingat
Emas, 8 Pingat Perak dan 1 Pingat
Gangsa di pertandingan tersebut.
Ucapan tahniah juga kepada tiga
“otai” PPKBSM iaitu Profesor Dr. Hanafi
Ismail (FASc) dan kumpulan penyelidikannya, Profesor Dr. Radzali Othman dan
kumpulan penyelidikannya serta Profesor
Dr. Zainal Arifin Ahmad dan kumpulan
penyelidikannya kerana cemerlang di
Pameran Reka Cipta Inovasi dan
Teknologi Antarabangsa ke 24 (ITEX
2013) yang berlangsung dari 10-12 Mei di
Kuala Lumpur Convention Center, KLCC.
Profesor Dr. Hanafi Ismail (FASc) telah
memenangi Pingat Emas dan Anugerah
Khas untuk produk Penyelidikan yang
bertajuk “r-RubFoam-A Novel Solution for
Global Oil Spills “. Sementara itu Profesor
Buletin Enjinier, Jun 2013
Prof. Dr. Hanafi Ismail (kiri) memenangi Pingat Emas dan Anugerah Khas di ITEX 2013
Dr. Radzali Othman telah memenangi pingat emas untuk produk penyelidikan yang
bertajuk TCP.COM. Profesor Dr. Zainal
Arifin Ahmad pula telah memenangi pingat emas untuk produk penyelidikan
bertajuk “Porous Medium Stove With
Cogeneration”. Warga PPKBSM mengucapkan syabas dan tahniah kepada
semua pemenang.
BENGKEL SUNTINGAN POSTER
& FOTO
15-16 Mei 2013 - Jawatankuasa ICT
PPK Bahan & Sumber Mineral & Kelab
Sukan & Rekreasi PPK Bahan & Sumber
Mineral (KSR PPKBSM), telah menganjurkan Bengkel Suntingan Poster & Foto
menggunakan perisian Adobe Photoshop
CS6 dan Lightroom di Makmal Komputer
PPKBSM disertai 18 orang staf dan pelajar
ijazah tinggi.
Slot pengisian untuk bengkel kali ini
mendedahkan konsep asas, rekabentuk
and pengeditan yang boleh diaplikasikan
dengan perisian Adobe Photoshop CS6
dan Lightroom. Sesi pengisian bengkel
dimulakan
dengan
pembentangan
perkara asas oleh En. Mohd Halim
Hassan. Beliau telah menunjukkan maksud simbol-simbol yang terdapat dalam
perisian Adobe Photoshop. Program
kemudian diteruskan pula dengan sesi
pembentangan teknik suntingan foto
menggunakan Lightroom oleh En. Khairul
Nasrin Abas. Di akhir bengkel semua
peserta diminta untuk menyediakan projek mini berbentuk poster dengan tema
PPK Bahan & Sumber Mineral. Semoga
bengkel selama 2 hari ini dapat membantu para peserta meningkatkan pengetahuan dan kemahiran di dalam proses
suntingan poster dan foto.
Sambungan dari m/s 2..
Perutusan tahun kedua Profesor Dato’
Dr. Omar Osman selaku Naib Canselor kali
ini secara umumnya merupakan kesinambungan penjenamaan ucapan tahun 2012
yang dinamakan BERSAMA-SAMA UNTUK
KECEMERLANGAN UNIVERSITI (BUKU)
bertemakan “Menzahirkan Pencapaian”.
Majlis turut diserikan dengan penganugerahan watikah lantikan kepada
semua Dekan/Pengarah PTJ
serta
penyampaian penghargaan kepada
penerima dana Perolehan USM 2012 oleh
staf-staf kampus Kejuruteraan. Pada
majlis yang sama, Profesor Dato’ Dr.
Omar Osman juga turut melancarkan
buku ‘Kejuruteraan @ USM’ hasil nukilan
dan bakti khidmat warga kampus kejuruteraan USM.
Bengkel suntingan poster & foto anjuran jawatankuasa ICT PPKBSM
3
EDUCATIONAL-INTERACTION
TRIP MALAYSIA-VIETNAM
26-27 Februari 2013 - Seramai 26
orang pelajar tahun akhir Kejuruteraan
Polimer yang turut disertai 10 pensyarah
pengiring dan staf sokongan telah mengadakan lawatan ke Ho Chi Minh
University of Technology (HCMUT) dan
Institut Penyelidikan Getah Vietnam
(RRIV). Di HCMUT, berlaku perbincangan
berkaitan proses pengajaran dan pembelajaran serta usaha untuk mewujudkan
memorandum perjanjian (memorandum
of agreement) di antara USM dan HCMUT.
Delegasi juga dibawa melawat kemudahan peralatan dan penyelidikan di sana.
Di RRIV pula, delegasi diberi pendedahan
berkaitan aktiviti penyelidikan terutamanya aktiviti pengklonan getah yang
dijalankan di sana. Delegasi juga dibawa
melawat Kilang Getah Ben Suc yang
menghasilkan blok-blok getah piawaian
Vietnam. Lawatan ini telah memberi pengalaman berharga kepada semua ahli delegasi terutamanya pelajar tahun akhir
Kejuruteraan Polimer.
CERAMAH ETIKA DALAM
PEKERJAAN DAN PELANCARAN
PROGRAM LENA-BARAKAH
23 Mei 2013 - Kelab Sukan dan
Rekreasi (KSR) dengan kerjasama JK
Kampus Sejahtera PPKBSM telah mengadakan suatu program majlis ilmu dengan menjemput penceramah yang tidak
asing lagi iaitu Yang Berbahagia Ustaz
Ellias Zakaria dari Pusat Pengajian Ilmu
Kemanusiaan. Tajuk ceramah yang disampaikan oleh Ustaz Ellias ialah ‘Etika dalam
Pekerjaan’. Program yang bermula pada
jam 8.30 pagi ini telah telah dihadiri kirakira 80 orang warga PPKBSM. Di dalam
ceramah
ini,
Ustaz
Ellias
telah
menekankan kepentingan mempunyai
etika pekerjaan yang baik supaya hidup
kita diberkati di dunia dan di akhirat.
Selain daripada itu, ‘Program LenaBarakah’ turut dilancarkan bersempena
kehadiran
bulan
penuh
dengan
keberkatan iaitu Rejab, Syaaban dan
Ramadhan. Program ini bertujuan
mengumpulkan dana untuk membeli
tilam bagi didermakan kepada rumah
anak-anak yatim. Majlis pelancaran telah
disempurnakan oleh Dekan PPKBSM,
Profesor Dr. Hanafi Ismail (FASc). Semoga
amalan yang kita lakukan beroleh ganjaran yang sewajarnya.
Lawatan pelajar Kejuruteraan Polimer dan staf akademik ke HCMUT dan RRIV, Ho Chi Minh
terdiri daripada pensyarah, juruteknik dan
pelajar pasca siswazah. Dr. Tan telah
menunjukkan kepelbagaian kaedah yang
boleh digunakan dalam perisian ini untuk
mendapatkan maklumat perincian daripada setiap sampel yang berbeza. Secara
keseluruhannya, bengkel ini telah berjaya
memberikan info-info baru dalam dunia
analisis pengimejan.
MAJLIS PERPISAHAN STAF
PPKBSM
16 April 2013 - Satu majlis perpisahan
telah diadakan bagi meraikan 3 orang staf
PPKBSM iaitu En. Syed Mohamad b. Syed
Mohd Yusoff yang berpindah ke Jabatan
Pembangunan, Puan Intan Rahayu bt.
Mohd Ramli yang berpindah ke PPK
Mekanik dan Puan Zurina bt. Md Pazil
yang berpindah ke PPK Elektrik &
Elektronik. Di dalam ucapan alu-aluannya,
Prof. Dr. Hanafi Ismail (FASc) selaku
dekan PPKBSM merakamkan setinggi
penghargaan diatas khidmat yang telah
diberikan dan berharap semangat dan
komitmen kerja yang telah dipamerkan di
PPKBSM akan dapat diteruskan demi
kecemerlangan USM.
PPKBSM : HARI TERBUKA USM
DAN ‘JOM MASUK U’
9 -10 Mac 2013 - PPKBSM turut terlibat dalam Hari Terbuka USM dan Karnival
Pengajian Tinggi Negara 2013 Pulau
Pinang yang telah berlangsung selama 2
hari mulai jam 9.00 pagi hingga 6.00
petang bertempat di USM induk. Karnival
yang bertema “Jom Masuk U” ini adalah
anjuran Kementerian Pengajian Tinggi
Malaysia dengan kerjasama Kementerian
Pelajaran Malaysia.
PPKBSM berusaha memenuhi objektif
karnival iaitu memberi promosi dan
pendedahan maklumat asas mengenai
ketiga-tiga program pengajian yang
ditawarkan oleh PPKBSM iaitu Program
Kejuruteraan
Bahan,
Kejuruteraan
Sumber Mineral dan Kejuruteraan Polimer.
Melalui program ini, para pelawat
didedahkan dengan dasar, prosedur dan
proses permohonan kemasukan ke
Universiti Sains Malaysia. Semoga karnival ini dapat diteruskan di masa akan
datang sebagai wadah untuk merapatkan
hubungan antara PPKBSM khususnya dan
USM amnya dengan masyarakat luar.
BENGKEL “IMAGE ANALYSER”
14-16 Januari 2013 - PPKBSM telah
menjemput Dr. Tan Poh Lai perunding
teknikal dari syarikat Microvisual Solution
untuk memberi penerangan mengenai
perisian i-Solution DT. Perisian ini merupakan satu perisian untuk menjalankan
kerja-kerja perincian menggunakan
mikroskop optik. Bengkel selama 3 hari ini
telah diadakan di Makmal Metalografi 1
dengan kehadiran 9 orang peserta yang
Ceramah “Etika dalam Pekerjaan’ oleh Ustaz Ellias Zakaria
Buletin Enjinier, Jun 2013
4
YOUNG PERSON’S LECTURE
COMPETITION MALAYSIA 2013
(USM LEVEL)
8th May 2013 - A selection of the best presenter to represent USM for the Young
Persons’ Lecture Competition Malaysia
2013 (YPLC Malaysia 2013) was conducted by the School of Materials and Mineral
Resources Engineering. This selection
was done via Young Persons Lecture
Competition 2013 (USM level). The competition was opened to students and
researchers (excluded lecturers) of USM
under the age of 28 years old on 1 August
2013. The best presenter of this competition was Miss Maslinda Kamarudin, master candidate from SMMRE, who took
away RM500 cash award. She is going to
compete in YPLC Malaysia 2013 on 30th
May 2013 for a place to represent
Malaysia in Young Person World Lecture
Competition in Hong Kong on July 2013.
The runner up of this competition was Mr.
Mathialagan a/l Muniyadi, PhD candidate
from SMMRE who won RM300 cash
award. Lastly, Mr. Mohd Saidina bin
Dandan Satia, 4th year student from
SMMRE was the second runner up with a
cash award of RM200. All the winners
received a certificate as reorganization of
their talent in public speaking skill.
MALAYSIA-INDONESIA MINERALS
EDUCATIONAL EXPOSURE
EXCURSION, MIME3
18-23 Mei 2013 - Sekumpulan 21 orang
pelajar Tahun Akhir Kejuruteraan Sumber
Mineral, Universiti Sains Malaysia Kampus
Kejuruteraan telah mengadakan lawatan
industri ke Indonesia, diiringi seramai 5
orang tenaga akademik. Sewaktu di sana
rombongan ini telah melawat lombong
emas
‘Tambang
Emas
Cibaliung
Sumberdaya’. Para peserta diberi peluang
merasai sendiri pengalaman aktiviti perlombongan bawah tanah. Selain itu rombongan juga telah mengadakan kunjungan ke Fakultas Teknik Pertambangan
dan Perminyakan, Institut Teknologi
Bandung (ITB) dan Muzium Geologi
Bandung. Aktiviti ini secara langsung
memberi manfaat kepada para pelajar
dan pengalaman baru yang tidak akan
diperoleh di Malaysia memandangkan
ketiadaan lombong bawah tanah beroperasi di Malaysia. Program seperti ini
diharapkan dapat menjadi aktiviti tahunan bagi pelajar tahun akhir sebagai
salah satu persiapan melangkah ke dunia
pekerjaan global yang lebih mencabar.
Participants for the Young Persons’ Lecture Competition Malaysia 2013 (USM level)
(MIMATES). Sebanyak 9 acara telah
dipertandingkan sepanjang tempoh tersebut seperti ping-pong, futsal, tarik tali
dan sebagainya. Program ini bertujuan
untuk membentuk masyarakat yang
membudayakan rekreasi. Semoga program ini dapat memberikan manfaat dan
merapatkan ukhwah dikalangan kita
warga PPKBSM.
BENGKEL TATARIAS MARY KAY
7 Jun 2013 - Kelab Sukan & Rekreasi
PPKBSM dengan kerjasama Jawatankuasa
Kampus Sejahtera PPKBSM telah menganjurkan ‘Bengkel Tatarias Mary Kay’
bertempat di Bilik Seminar, PPKBSM.
Bengkel ini terbuka kepada peserta wanita sahaja yang terdiri daripada staf dan
pelajar pasca siswazah PPKBSM. Seramai
hampir 30 peserta telah menyertai
bengkel tatarias ini yang dibahagikan
kepada 2 sesi. Tujuan bengkel ini adalah
untuk memberi peluang kepada pensyarah & pelajar pasca siswazah untuk
meleraikan tekanan yang dihadapi sepanjang semester pengajaran dan juga untuk
meningkatkan kesedaran dan pengetahuan berkenaan kepentingan menjaga
penampilan dan kecantikan diri.
Pihak penganjur telah berbesar hati
dengan kesudian Puan Noora Shukor
yang merupakan Konsultan Kecantikan
Mary Kay bertauliah untuk hadir
berkongsi ilmu dengan peserta-peserta
dan seterusnya merealisasikan bengkel
ini. Bengkel ini memberi fokus kepada 2
elemen penting bermula dengan sesi
mengenali & keperluan menjaga kulit
muka diikuti dengan sesi tatarias. Semasa
bengkel dijalankan, aktiviti menjawab
kuiz dan juga pertandingan tatarias terbaik juga diadakan. Antara pemenang
bertuah yang mendapat cenderahati
berupa produk Mary Kay adalah Puan
Norhaizan Mahamad Shari. Secara
keseluruhannya, bengkel selama 3 jam ini
sangat berinfomatif dan memberi manfaat kepada staf dan pelajar pasca
siswazah PPKBSM dalam meningkatkan
penampilan diri serta mendalami ilmu
kecantikan.
SUKAN TAHUNAN MIMATES 2013
Sepanjang 27 April 2013 hingga 15 Mei
2013 yang lalu telah berlangsung acara
Sukan Tahunan MIMATES yang merupakan acara tahunan Persatuan Pelajar
Kejuruteraan Bahan & Sumber Mineral
Buletin Enjinier, Jun 2013
Lawatan industri pelajar tahun akhir (Kejuruteraan Sumber Mineral) ke Bandung, Indonesia.
5
PROF. DR. ZAINAL ARIFIN AHMAD
SUDOKU 2013 COMPETITION
27th March 2013 - The event was held at
Seminar Room, School of Materials and
Mineral Resources Engineering. This is
the 5th Sudoku Competition which the first
edition were started on 2007. The purpose of this competition is to give students a platform where they can apply a
creative and critical thinking while solving
the Sudoku puzzles. Unlike normal crossword puzzles, Sudoku puzzle tested the
participant on how they think and not on
what they know. A total of 89 participants
attended the competition where 14 from
staff, 31 from postgraduate students and
44 from undergraduate students. Aside
from that, Sudoku 2013 Competition was
also takes interest from International student. Students from Libya, Laos, China,
Jordan and Myanmar also participated in
this competition. Each of the participants
was instructed to solve 2 Sudoku puzzles
within 45 minutes. Winners were judged
by how fast they can solve the puzzles
without any mistakes. Prizes were given
to the top 10 participant who successfully
solve both Sudoku puzzles without any
error. The overall winner for Sudoku 2013
Competition is Ng Chai Yen who managed
to solve both Sudoku puzzle with 8 minutes and 18 seconds. She was awarded
with the Championship trophy, a unique
Sudoku plaque and a hamper. The
Sudoku 2013 Competition organizer
would like to congratulate all the winners.
In addition, the organizer would also like
to thanks to our sponsors, our committee
and the participant as well. Furthermore,
we also like to thanks to those who has
been a big help to make this competition
a success whether directly or indirectly.
MAJLIS PERPISAHAN PROF. MADYA
DR. SABAR DERITA HUTAGALUNG
24 Jun 2013 - Satu majlis perpisahan
telah diadakan untuk meraikan pemergian Prof. Madya Dr. Sabar Derita
Hutagalung. Lebih mesra dipanggil sebagai “Pak Sabar” di kalangan warga PPKBSM, beliau telah berkhidmat hampir sepuluh tahun di sini dan bukan sahaja dikenali sebagai seorang pensyarah yang disenangi oleh rakan serta para pelajar
malahan sering mengharumkan nama
PPKBSM khususnya dan USM amnya di
dalam pertandingan dan pameran diperingkat kebangsaan dan antarabangsa. Di
dalam ucapannya, beliau merakamkan
jutaan terima kasih kepada pihak pusat
pengajian kerana sudi menganjurkan
majlis perpisahan ini dan mendoakan
lebih kejayaan dan kecemerlangan dapat
diperolehi oleh warga PPKBSM di masa
hadapan. Kepada “Pak Sabar”, semoga
berjaya ditempat baru dan jangan
lupakan kami di sini.
Organizing commitee and the winners of Prof. Dr. Zainal Arifin Ahmad
Sudoku 2013 competition
Bulan Terbelah
Hasil karya : mcrose
Tembusilah
Kiranya ada KEKUATAN
Selamilah
Kiranya ada KEUPAYAAN
Lihatlah di BARAT
Mereka telah menembusi
Lihatlah dihujung TIMUR
Mereka telah menyelami
Mereka telah membenarkan kerajaan
sulaiman
Pelbagai khazanah di dasar lautan
Justeru
Iman mereka bertambah
Yakin
Kukuh
Teguh
Kita ????
Kuatkan kekuatan
Tingkatkan keupayaan
Bacalah, bacalah dan bacalah ……….
Mereka telah membenarkan seperti kata nabi
Lingkaran bulan terbelah dua
Prof. Madya Dr. Sabar (kiri) menerima cenderahati kenangan dari Prof. Ir. Dr. Mariatti
Buletin Enjinier, Jun 2013
6
List of SMMRE Postgraduate Students Viva from January-June 2013
No.
1
Student Nama / Date
Degree
Title of Thesis
Name of Supervisor
Prof. Madya Dr. Hashim Hussin
Dr. Sheikh Abdul Rezan S. Abdul Hamid
Prof. Madya Dr. Khairunisak Abdul Razak
Prof. Madya Dr. Azlan Abdul Aziz
Prof. Dr. Rahmah Noordin
Hanizam Shah Saidin
3 January 2013
Noorhashimah Mohamad Nor
9 January 2013
MSc
Reduction of Malaysian Iron Ore Pellet by Using Coal as Reductant
MSc
Production of Iron Oxide Ferrofluid Conjugated Biomolecules for
Diagnostic Applications
3
Juna Azleen Abdul Ghani
15 January 2013
MSc
Determination of K and Value of Scaled Distance to Predict the Level of
Ground Vibration Induced During Blasting for Peninsular Malaysia
Prof. Madya Dr. Syed Fuad Sayyid
Hashim
Dr. Mior Termizi Mohd Yusof
4
Siti Rabizah Makhsin
15 January 2013
MSc
Properties of Gold Nanoparticles and Its Conjugation with Biomolecules
for Diagnostic Application
Prof. Madya Dr. Khairunisak Abdul Razak
Prof. Madya Dr. Azlan Abdul Aziz
Prof. Dr. Rahmah Noordin
5
Oon Hooi Shy
18 January 2013
MSc
Growth and Physical Characterization of Natire Oxide Thin Film on N-Type Prof. Madya Ir. Cheong Kuan Yew
Gallium Nitride Substrate by Thermal Oxidation in Nitrous Oxide Ambient
6
Ragunathan a/l Santiagoo
30 January 2013
PhD
Characterization and Properties of Polypropylene/Recycled Acrylonitrile
Butadiene Rubber/Rice Husk Powder Composites
Prof. Dr. Hanafi Ismail(FASc)
Brig. Gen. Dato’ Prof. Dr. Kamarudin
Hussin
PhD
Study of Electron Transport on Gold Nanodot-Silicon Interface Grown by
Scanning Probe Microscope
PhD
Preparation and Characterization of Epoxidized Soybean Oil Based
Thermoset Blends and Nanocomposites
Effect of Mechanical Activation on the Fluxing Properties of Feldspar
Prof.
Prof.
Prof.
Prof.
Prof.
Prof.
Prof.
Prof.
2
7 Teguh Darsono
4 February 2013
8 Tan Seah Guan
5 February 2013
9 Phoumiphon Nordana
13 February 2013
10 Mohd. Firdaus bin Omar
14 February 2013
MSc
Madya Dr. Sabar Derita Hutagalung
Madya Ir. Dr. Cheong Kuan Yew
Dr. Zainal Arifin Ahmad
Madya Dr. Chow Wen Shyang
Madya Dr. Zulkifli Ahmad
Dr. Radzali Othman
Madya Dr. Hasmaliza Mohamad
Dr. Hazizan Md Akil
PhD
Static and Dynamic Mechanical Properties and Strain Rate Sensitivity of
Thermoplastic Based Polymers and Composites Using Split Hopkinson
Pressure Bar Apparatus
11 Lai Chin Wei
26 February 2013
PhD
Development of WO3-TiO2 Nanotube Arrays for Water Electrolysis
Prof. Madya Dr. Srimala a/p Sreekantan
12 Nilar Lwin
6 March 2013
PhD
Physical and Development Properties of Tm, Gd Substitution on Mg Mn
Ferrite
Prof. Dr. Ahmad Fauzi Mohd Nor
Prof. Dr. Radzali Othman
Prof. Madya Dr. Srimala a/p Sreekantan
13 Sheril binti Rizal Vincent
14 March 2013
MSc
Studies on the Properties of Hybrid Mineral Fillers Filled Polypropylene
Composites (2013)
Prof. Ir. Dr. Mariatti Jaafar
14 Nur Syafinaz binti Ridhuan
22 March 2013
MSc
Feasibility Study of ZnO Nanorods for Sensor Application (2013)
Prof. Madya Dr. Khairunisak Abdul Razak
Prof. Madya Dr. Azlan Abdul Aziz
Prof. Madya Dr. Zainovia Lockman
15 Husna Madihah binti Hasan
27 March 2013
MSc
Preparation and Properties of Impact Modified Poly(Lactic Acid) and Its
Composites With Short Kenaf Bast Fiber (2013)
Prof. Madya Dr. Razaina Mat Taib
16 Khe Cheng Seong
9 April 2013
PhD
Role and Correlation of Synthesis Size and Morphology to the Magnetic
Properties of Cabait and Co/Au Bimetallic Hierarchical Nanostructures
(2013)
Prof. Dr. Azizan Aziz
Prof. Madya Dr. Zainovia Lockman
17 Umar Al-Amani bin Haji Azlan
11 April 2013
PhD
The Effect of Rare-Earth Substitution on the Properties of Bismuth
Titanate Prepared by Low Temperature Combustion Technique (2013)
Prof. Madya Dr. Srimala Sreekantan
Prof. Dr. Ahmad Fauzi Mohd Noor
Prof. Madya Dr. Khairunisak Abdul Razak
18 Kouth Phommachanh
15 April 2013
MSc
Effects of Accelerated Weathering on the Properties of Polylactic Acid
Toughened with an Ethylene Copolymeras an Impact Modifier
Prof. Madya Dr. Razaina Mat Taib
19 Kry Nallis
15 April 2013
PhD
The UV-Shielding Property of Zr0.7 Ce0.3O2 – Kaolinite/Exfoliated Kaolinite Prof. Dr. Radzali Othman
Composites Prepared by Different Synthesis Methods
20 Mohd Fariz bin Ab Rahman
16 April 2013
MSc
Investigation of Mg Doped CCTO on Ca and Cu Sites Prepared by Solid
State Reaction
21 Le Thi Bang
23 April 2013
PhD
Substituted Apatite/Poly-Epsilon-Caprolactone Biocomposite as Substrates Prof. Dr. Radzali Othman
and Coating on α-TCO Foams
22 Warapong Krengvirat
29 April 2013
PhD
Development of C-K-TiO2 Nanotube Arrays for Solar Harvesting
Applications
23 Tran Bao Trung
29 April 2013
PhD
Effect of Graphite and NbC on Mechanical Poperties of AI1304 Binded NC Prof. Madya Dr. Zuhailawati Hussain
Prof. Dr. Zainal Arifin Ahmad
24 Siti Salmi binti Samsudin
30 April 2013
MSc
Development and Characterization of Epoxy Syntactic Foam Filled with
Epoxy Hollow Spheres
Prof. Madya Dr. Zulkifli Mohamad Ariff
Prof. Madya Dr. Azhar Abu Bakar
25 Azlila binti Zakaria
3 May 2013
MSc
Penghasilan Hidroksiapatit Menggunakan Kaedah Pengaktifan Mekanik
Prof. Dr. Radzali Othman
26 Mohamad Kahar bin Ab Wahab
21 May 2013
PhD
Characterization and Properties of Thermoplastic Tapioca Starch Based
High Density Polyethylene/Natural Rubber Blends
Prof. Dr. Hanafi Ismail (FASc)
Dr. Nadras Othman
27 Zunaida binti Zakaria
27 May 2013
PhD
Compressive Properties and Simulation of Low Density Polyethylene
Foams
Prof. Madya Dr. Zulkifli Mohamad Ariff
Prof. Madya Dr. Azhar Abu Bakar
28 Farah binti Jaafar
31 May 2013
MSc
Crystalization in Glass Systems Based on Padi Stalk Ash
Prof. Dr. Radzali Othman
29 Muhammad Azwadi bin Sulaiman
4 June 2013
PhD
Effects of Electrode Materials on Electrical Properties of CaCu3Ti4O12 at
100 Hz – 1GHz
Prof. Madya Dr. Sabar Derita Hutagalung
Prof. Dr. Zainal Arifin Ahmad
30 Tulus Ikhsan Nasution
5 June 2013
PhD
Chitosan Based Acetone Sensor for Detecting Low Concentration Acetone Prof. Dr. Zainal Arifin Ahmad
Prof. Madya Dr. Sabar Derita Hutagalung
Dr. Khairel Rafezi Ahmad
31 Orathai Boondamnoen
11 June 2013
PhD
Characterization and Optimization of Waste Natural Rubber Latex and
Polystyrene Blend (WNRL/PS)
Prof. Madya Dr. Sabar Derita Hutagalung
Dr. Julie Juliewatty Mohamed
Prof. Madya Dr. Srimala a/p Sreekantan
Prof. Dr. Ahmad Fauzi Mohd Noor
Prof. Dr. Azlan Ariffin
Prof. Madya Dr. Azura A. Rashid
Continue to page 8
Buletin Enjinier, Jun 2013
7
SIJIL DEKAN
SENARAI SIJIL DEKAN SEMESTER I, SIDANG AKADEMIK 2012/2013
KEJURUTERAAN BAHAN
TRICIA NEOH HUI WERN
YONG JING HUI
TAHUN 1
CHAI CHIA CHANG
CHAN JI KIT
CH'NG MUN SUNN
CHONG SU FANG
HOO XIAO FEN
KOH LIAN JUN
LAI CHAI MEI
LAW HON KIN
LEONG QIAO LIN
LEONG TENG TENG
LIM SHI HONG
LOO FOONG LING
LOW SU YEIAN
TAN ZHI QIN
TENG JIN WEN
WONG SI MIN
YONG XUAN HUI
TAHUN 2
CHUA PEI CHING
CHUAH WEI HOONG
GOH THENG TYNG
LEE CHEE KEAT
LEE JIN LING
LIANG SHU YI
LIEW XUE MING
LIM CHUI NING
LOY LIANG SOON
MABEL DE CUNHA
NEOH SOO HUAN
NOR SAKINAH BINTI MANSOR
ONG XIANG QI
QUAH WEI LUN
TUAN NUR IZZAH BINTI TUAN AB RASHID
YEAP CHEOK KUANG
TAHUN 3
BONG PENG HOOI
CHAN TZE PING
CHANG CHI HSIUNG
CHEW ZHU ANN
FOO HUI SHIAN
KUEH SHAO HONG
LEE KAR CHUN
MUHAMMAD 'AFIF SHARHAN B SHU'AIBON
MUHAMMAD ANAS BIN NORAZMAN
MUHAMMAD FAHIM BIN ABDUL RAHMAN
ONG CHIN SIANG
TAN MAY WEN
TEW CHOON CONG
RAIDATUL NAJIHAH BINTI EMIR
HAMZAH
YONG JAAN YIP
KEJURUTERAAN POLIMER
TAHUN 4
CHOW HON MUN
FADHILAH NURANI BINTI RAMUHZAN
GAN WEI LONG
HO KAR YEE
KHOO SENG KIAN
LEE CHUN CHIEN
LIM SIEW MING
LIM YOU SING
LOW YAN WAH
MOHD SAIDINA BIN DANDAN SATIA
MUHAMMAD IRFAN BIN MAT KANDAR
NG CHOO YEE
RASHIDAH BINTI IDZHAR
SEE CHUIN WERN
SONG WAI CHEN
SYAZWAN AIZAD BIN ABDUL MUTALIB
TAI MUN FOONG
TAN PEI SHAN
TEA SIEW HWA (BERIJAZAH)
WONG CHEE KEN
WONG WAI YEE
TAHUN 1
CHUA LIAN TATT
FAHZIMRAN AFNOR BIN AFENDI
JOYCE A/P MICHAEL RETNASINGAM
LEE CHEE KEONG
LIM WEI CHUN
SIN YIN TIN
TAN WAI KEAT
TIUN TZE THING
WANG LEONG KWAN
TAHUN 2
BEH KAH BOON
LEONG HUI THENG
LIM KAR WAI
LIM WEY SONG
MAK SOK YEE
NADIA BINTI WAN AZMAN
NAFEESA BINTI MOHAMAD SHUKRI
NIK NUR ASMA' NABILAH BINTI NIK
MUHAMMAD SHUKRI
NUR HAYATI BINTI ESZER
TEO ZU XIAN
TEOH ZHIXUAN
KEJURUTERAAN SUMBER MINERAL
TAHUN 1
KHONG LING HAN
TAHUN 2
TIADA
TAHUN 3
MOHAMAD ARIFF BIN MAD FADEL
MACLIVE WILKINSON ANAK AGAM
NAZATUL AZREEN BINTI AZIZUL HASSAN
WAN ATIKAH BINTI WAN AZALAN
UN JIA JIA
TAHUN 4
MOHAMAD AZIF ZAI BIN ZAINUL ABIDIN
MOHAMMAD AMIRRUL B OTHMAN (BERIJAZAH)
MOHAMMAD AZLAN BIN ISHAK
MOHD SHAKIR AFIF BIN ABU BAKAR
MUHAMMAD ARIF SAFWAN BIN ABDUL
GHANI
MUHAMMAD ZULQAYYIM BIN NOOR
AZIZUL
NUR AIN BT ZAINOL ABIDIN
NUR SHAFIQAH BT ISMAIL
NUR SUHAILA BINTI MOHAMAD RAFFI
TAHUN 3
LIM YEE HUI
MINCE LEONG YEN SHEE
NUUR SYUHADA BINTI DZULKAFLY
THEN JIE WEN
YEOH WEI LIN
TAHUN 4
ANDRE NINGKAN GADUAN
BANNARD A/L LAZIL
CHEW CHUN MUN
HO WAI MAY
KHOR TATT HWA
KWEE FUNG YUNN
LOW HONG FOOK
LUA SEH KEE
MASTURAH BINTI MOHSIN
MOHD AMYRUL AZRI B MOHAMAD ARIS
NOOR ADIANAERMA BINTI JAMIRIN
NOOR FADHILA SYAHIDA BINTI GHAZALI
NUR NASYRAH BINTI AZMAN
TEO PEI SHAN
WANG TECK NING
From page 7
No.
Student Nama / Date
Degree
Title of Thesis
Name of Supervisor
32 Syahriza binti Ismail
12 June 2013
PhD
Formation of Nanotubular Oxide by Anodization of Valve Metals
Prof. Madya Dr. Zainovia Lockman
Prof. Dr. Zainal Arifin Ahmad
33 Noor Mazni binti Ismail
17 June 2013
PhD
The Effect of Coagulation Method and Benzoyl Peroxide Properties Free
Radical Functionalization Method on the Properties of MWCNT/PMMA
Nanocomposite
Prof. Dr. Azizan Aziz
Prof. Ir. Dr. Mariatti Jaafar
34 Abdul Malek bin Ya’acob
18 June 2013
PhD
Kenaf Hybrid Bio-Composites: Preparation, Characterization and
Properties
Prof. Madya Dr. Azhar Abu Bakar
Prof. Dr. Hanafi Ismail (FASc)
SENARAI STAF PENTADBIRAN YANG BERTUKAR TEMPAT BERTUGAS
BIL
NAMA
JAWATAN
TARIKH
KUATKUASA
1 ENCIK SYED MOHAMAD BIN SYED MOHD YUSOFF
PEMBANTU AM PEJABAT N4
01.04.2013
2 PUAN ZURINA BINTI MD PAZIL
PEMBANTU TADBIR (P/O) N17 (KUP)
01.04.2013
3 PUAN INTAN RAHAYU BINTI MD RAMLI @ RAMLI
PEMBANTU TADBIR (P/O) N17
01.04.2013
Buletin Enjinier, Jun 2013
8
SENARAI STAF BARU YANG BERTUGAS DI PPKBSM
BIL
NAMA
JAWATAN
TARIKH
KUATKUASA
1 ENCIK MOHD NASSA BIN MD REJAB
PEMBANTU AM PEJABAT N1
01.04.2013
2 PUAN NOR ASMAH BINTI MD NOR
PEMBANTU TADBIR (P/O) N17
01.04.2013
3 PUAN NURSHALYDAH BINTI SALLEH
PEMBANTU TADBIR (P/O) N17
01.04.2013
SENARAI STAF CUTI SABATIKAL, CUTI BELAJAR DAN CUTI PENYELIDIKAN
BIL
NAMA
JAWATAN
TARIKH
KUATKUASA
1
DR. NURULAKMAL BINTI MOHD SHARIF PENSY. UNIV. DS52
01/10/2012 - 30/06/2013
2
PROF. MADYA DR. ZULKIFLI BIN AHMAD PENSY. UNIV. DS54
01/12/2012 - 31/08/2013
3
EN. MOHD NAZRI BIN IDRIS
PEGAWAI PENYELIDIK
01/10/2012 - 30/09/2015
4
DR. HAREYANI BINTI ZABIDI
PENSY. UNIV. DS51
01/10/2012 - 31/03/2013
STAF YANG TAMAT PERKHIDMATAN
BIL
1
NAMA
JAWATAN
CIK MUNIRAH BINTI MUSA
2 DR. DOAA ABDEL NABI ABDEL AZIZ
TARIKH
PEMBANTU TADBIR N17
04.01.2013
PENYELIDIK KUNJUNGAN
31.01.2013
Visitors to the SMMRE (January to June 2013)
No.
1.
Date
16.1.2013
Name
Akihiko Matsumoto
Organization
Tayohashi University of Technology
Purpose
Research Collaboration
2.
3.
6.2.2013
27.2.2013
Fumitake Takahashi
Shin Mukai
Tokyo Institute of Technology
Hokkaido University
Research Collaboration
Research Collaboration
4.
1.3.2013
AUN/SEED-Net
Research Collaboration
5.
4.3.2013
Kasem Choocharukul
Siripornrungrueangtanya
Natthanon Patcharapunchai
Mitsuteru Inoue
Tayohashi University of Technology
Research Collaboration
6.
5.3.2013
Tomesz Szmuc
Janusz Szpytko
AGH University of Science and Technology
Research Collaboration
7.
5.3.2013
Stec-Nicpon Aucja
Embassy of The Republic of Poland
Research Collaboration
8.
6.3.2013
Malaysian Investment Development Authority
Research Collaboration
9.
6.3.2013
Kang Lay Kim
Yee Nai Tuck
Lim Bee Vian
Azhana Mohamed Saleh
Muhammad Azizul Atfi Adnan
MIDA Penang
Research Collaboration
10.
11.
7.3.2013
22.4.2013
Zainul Ahmad Rajion
Tatsuya Okubo
Pusat Pengajian Sains Pergigian, USM
The University of Tokyo
Research Collaboration
12.
23.4.2013
Harry Agusnar
Timurni Abidin
Universitas Sumatera Utara
Research Collaboration
13.
28.5.2013
Naoki Nakata
Lim Pang Boey
Seiji Iwasa
Tayohashi University of Technology
Research Collaboration
Research Collaboration
ANUGERAH PERKHIDMATAN CEMERLANG USM 2012
PPKBSM mengucapkan tahniah dan syabas kepada penerima Anugerah Perkhidmatan Cemerlang (APC) 2012.
1.
2.
3.
4.
5.
6.
7.
8.
Prof. Dr. Radzali Bin Othman
Prof. Dr. Hanafi Bin Ismail (FASc)
Prof. Dato’ Dr. Ir. Eric Goh Kok Hoe
Prof. Madya Dr. Srimala a/p Sreekantan
Encik Mior Zulbahri Bin M. Chek
Puan Fong Lee Lee
Encik Shahril Amir Bin Saleh
Cik Noor Hakishah Binti Samsudin
Buletin Enjinier, Jun 2013
Pensyarah Univ. Gred Khas A VK5
Pensyarah Univ. Gred Khas B VK6
Pensyarah Univ. Gred Khas C VK7
Pensyarah Univ. DS54
Ketua Penolong Pendaftar N48
Juruteknik J26
Juruteknik J17
Pembantu Tabdir (P/O) N17
9
Article 1
MORPHOLOGY AND STRUCTURE
PROPERTIES OF ALKALI-TREATED
KENAF BAST FIBERS
R. Mat Taib,
D. Ariawan,
Z. A. Mohd Ishak
School of Materials & Mineral Resources
Engineering,
Engineering
Campus,
Universiti Sains Malaysia, 14300 Nibong
Tebal, Penang, Malaysia
Introduction
The use of natural fibers such as sisal and
kenaf as reinforcement or filler in composites continues to receive much attention from numerous researchers across
the world. This is due to the broad range
of advantages offered by these fibers particularly low density, low volumetric cost,
high specific properties and more importantly biodegradability. The use of natural
fibers, however, may lead to unsatisfactory mechanical properties of the composites due to among others limited compatibility between the polar fiber and the
non-polar polymer matrix. Natural fibers
are polar materials due to the presence of
hydroxyls groups in the fiber cell walls.
Various methods have been employed to
optimize fiber–matrix compatibility (or
adhesion) by modification of fiber surface
properties via chemical treatments such
as alkalization [1-5].
Alkalization or alkali treatment is one of
the most used chemical treatments of
natural fibers when used to reinforce
thermoplastics and thermosets [1]. This
treatment leads to removal of non-structural materials such as wax and oils from
the fiber surface [1], partial removal of
the fiber cell wall polymers, i.e. hemicelluloses and lignin [2, 3] and depolymerization of cellulose chains [1].
In this study alkali treatment was performed on kenaf bast fiber. The effect of
treatment times on the morphology and
structure of the fiber were determined via
scanning electron microscopy (SEM), xray diffraction (XRD), fourier transform
infrared (FTIR) spectroscopy and atomic
force microscopy (AFM).
Experimental
Kenaf bast fiber with an average fiber
length of 7.70 cm was purchased from
Lembaga Kenaf dan Tembakau Negara
(LKTN) Malaysia. The Fiber was submerged in 6% solution of sodium hydroxide for 1, 2, 3, 4 and 5 hours of immersion at room temperature, rinsed with
deionized water and then neutralized in
dilute solution of glacial acetic acid.
Finally the fiber was rinsed again with
deionized water and dried at room temperature for 24 h. The treated fiber was
observed in FESEM model Supra 35 VP to
Buletin Enjinier, Jun 2013
characterize the fiber surface morphology.
Crystallinity index, Crl, of the fiber was
determined using an X-Ray Diffractometer
type D8 Bruker. The equatorial diffraction
patterns (2θ) were recorded from 10 to
35o using Cu-Kα radiation at 40 kV and 40
mA. The crystallinity index, Crl, was calculated using the following equation [5].
where I002 is the counter reading at peak
intensity at a 2θ angle close to 22o representing crystalline region and Iam is the
counter reading at a 2θ angle of around
18o representing amorphous region in
natural fibers. The infrared spectra of the
fiber before and after treatment were
measured in the spectral range of 4000 to
500 cm-1 using a Perkin Elmer FTIR spectrometer. A total of 32 scans were taken
for each sample with a resolution of
1 cm-1. The samples were prepared using
a KBr disk method. AFM characterizations
were carried out in contact mode, using a
NanoNavi SPA 300HM. Surface roughness
of the fibers was analyzed based on
images obtained over a 2 μm x 2 µm area.
Results and discussion
Scanning electron microscopy
of treatment (+ 11%). Beyond that the
crystallinity index of the treated fiber
reduced but the values were higher than
that of the untreated fiber. After 5 hours
of treatment the crystallinity index of the
treated fiber was found to be slightly
lower than the control. Changes in crystallinity through alkali treatment for natural fibers have been reported by many
researchers [2,5]. The improved crystallinity of natural fiber after the treatment has been attributed to the removal
of the cementing materials, hemicelluloses and lignin, which probably leads to a
better packing of cellulose chains [2] and
thickening of the fiber cell wall [5]. In
addition of removal of the cementing
materials, alkali treatment also depolymerizes cellulose chains [1]. After 5 hours
of treatment, excess depolymerization of
cellulose chains damage the fiber cell wall
leading to an overall decrease in the cystallinity index of the treated fiber [5].
Fourier transform infrared (FTIR) spectroscopy
Examination of Figure 3 revealed several
changes on the FTIR spectra of the kenaf
bast fibers after the alkali treatment. The
transmission peak at 1737 cm-1, assigned
to a C=O stretching vibration of carboxylic
acid or ester, was found to disappear following the alkali treatment due to the
Figure 1: SEM micrographs of surfaces of (A) untreated and (B) 6 % alkali treated kenaf bast
fiber (treatment time = 5 hours) surfaces
Observations of the treated fiber surface
(Figure. 1(B)) reveal that the alkali treatment has resulted in the removal of
cementing materials from the interfibrillar
region and impurities from the fiber surface. The very similar observations have
been reported by other researchers for
grass fibers [3]. Removal of the cementing materials, i.e. hemicelluloses and
lignin revealed that the kenaf bast fiber
consists of aligned microfibrils. The
exposed interfibrillar region increased the
specific surface area of the fiber to come
in contact with the polymer matrix during
composite fabrication[4]. Removal of
impurities resulted in cleaner and
smoother fiber surface of the treated
fiber.
X-ray diffraction
Crystallinity index of kenaf bast fiber
improved after 1, 2, 3 and 4 hours of
alkali treatment (Figure2). The maximum
improvement was observed after 1 hour
removal of hemicelluloses [3]. Other
changes that have been reported resulted
from the alkali treatment are reduction in
the intensity of the transmission peaks at
1515 and 1254 cm-1 which are assigned
to the benzene ring vibration of lignin and
a C-O stretching stretching vibration of
Figure 2: Crystallinity index values of 6%
alkali treated kenaf bast fibers after different
treatment duration
10
the acetyl group in lignin component,
respectively [3]. Reductions in these
transmission peaks indicate removal of
lignin from the fiber after the alkali treatment [3].
fiber for use in natural fiber-reinforced
composites: a review. Journal of Polymers
and the Environment, 15(1), 25-33.
2. Gassan, J., & Bledzki, A. K. (1999).
Alkali treatment of jute fibers: relationship
Figure 3: FTIR spectra of untreated and alkali treated kenaf bast fibers at different
treatment times.
Atomic force microscopy (AFM)
AFM images of untreated and alkali treated kenaf bast fiber are shown in Fig. 4.
These images illustrats the reduction of
surface roughness via alkali treatment of
the fiber. The untreated fiber exhibited a
root mean square (RMS) roughness value
of 21.6 nm, whereas the alkali treated
fiber exhibited 11.21 nm of RMS roughness. This suggests that removal of some
low-molecular weight materials as well as
impurities from the fiber surface resulting
in a decrease in the fiber surface roughness following the alkali treatment.
between structure and mechanical properties. Journal of applied polymer science,
71(4), 623-629.
3. Liu, W., Mohanty, A. K., Drzal, L. T.,
Askel, P., & Misra, M. (2004). Effects of
alkali treatment on the structure, morphology and thermal properties of native
grass fibers as reinforcements for polymer
matrix composites. Journal of materials
science, 39(3), 1051-1054.
4. Boynard, C. A., Monteiro, S. N., &
d'Almeida, J. R. M. (2003). Aspects of
alkali treatment of sponge gourd (Luffa
cylindrica) fibers on the flexural properties
1School
of Materials and Mineral
Resources Engineering, Universiti Sains
Malaysia, 14300 Nibong Tebal, Penang,
Malaysia
2Geology Programme, School of
Environmental Sciences and Natural
Resources, Faculty of Science and
Technology,
Universiti
Kebangsaan
Malaysia, Bangi, 43600, Selangor,
Malaysia
Abstract
This paper presents a case study on the
performance of Tunnel Boring Machine
(TBM) opted for the construction of the
Interstate Raw Water Transfer (ISRWT)
project currently constructed in SelangorPahang, Malaysia. The performance of
TBM is affected by various properties of
rock mass such as the strength of rock,
the occurrence of fault zone, the joint orientation and the existence of a water
bearing zone. In this project, the 44 km
Interstate Raw Water Transfer tunnel is
designed to cross solid rock along the
alignment with the overburden ranges
from just several meters at each portal to
more than one thousands meters at the
centre of the tunnel. Geology of the alignment comprises of metasedimentary rock
at the northern end and granitic rock to
the rest of the tunnel. The method used
for this study and the evidence are discussed.
Keyword: Tunnel Boring Machine (TBM),
tunnelling, Titiwangsa Main Range
Granite, geomechanical, joint, wear rate
Figure 4: Three-dimensional presentation of AFM contact mode images for (A) untreated and
(B) 6% alkali treated kenaf bast fiber (treatment time = 4 hours).
Conclusions
The morphology and structure of kenaf
bast fiber changed after the alkali treatment. SEM micrographs reveal that the
fiber surface became cleaner and
smoother after the alkali treatment. The
interfibrillar region between the microfibrils was also well observed from the
micrographs. Removal of the cementing
materials, i.e hemicelluloses and lignin,
was evident from the FTIR results.
Crystallinity index increased with the
treatment but the extent of improvement
after 1 hour of treatment was limited by
degradation of cellulose chains and the
fiber cell wall. The AFM results showed
that the fiber surface roughness
decreased due to the alkali treatment.
of polyester matrix composites. Journal of
applied polymer science, 87(12), 19271932.
5. Mwaikambo, L. Y., & Ansell, M. P.
(2002). Chemical modification of hemp,
sisal, jute, and kapok fibers by alkalization. Journal of Applied Polymer Science,
84(12), 2222-2234.
References
1. Li, X., Tabil, L. G., & Panigrahi, S.
(2007). Chemical treatments of natural
Afikah Rahim1
Abdul Ghani Mohd Rafek2
Buletin Enjinier, Jun 2013
Article 2
PARAMETRIC PERFORMANCE
STUDY OF TUNNEL BORING
MACHINE (TBM) IN THE
TITIWANGSA MAIN RANGE
GRANITE, MALAYSIA
Hareyani Zabidi1,
Introduction
The growing concern of water shortage in
the western states of Peninsular Malaysia
includes Selangor, Kuala Lumpur and
Putrajaya due to the expanding population and booming economy has initiated
the idea of channeling water from Pahang
to Kuala Lumpur via a tunnel. In this project, the Malaysia Government proposed
the construction of the 44.6 km long
Interstate Raw Water Transfer (ISRWT)
tunnel that will transfer water from
Semantan River to the heart of Kuala
Lumpur. The tunnel will channel raw
water from the Semantan River, near to
Kampung Jambu Rias, at the northeast
part of Kuala Lumpur through the Main
Range to the Hulu Langat, Selangor near
to Kuala Lumpur where the water will be
treated before piped to the consumers.
The Interstate Raw Water Transfer tunnel
is designed, for the first time to cross
solid rock of the Titiwangsa Main Range
granite along the alignment with the overburden ranges from just several meters at
each portal to more than one thousand
meters at the centre of the tunnel.
Geology along the alignment comprises of
metasedimentary rock at the northern
end and granitic rock to rest of the tunnel.
Generally, the Titiwangsa Main Range
11
at tunnel level throughout the route with
some part of the Karak Formation,,
Semantan Formation and Jelebu Schist
Formation, thus highly variable of tunnel
face condition was expected to encounter
throughout the 44 km construction of the
tunnel. The tunnel is designed to be constructed in two different methods of construction with 70% of the alignment will
be constructed using TBM whilst the final
30% of the line will be using the New
Austrian Tunnelling Method (NATM). The
purpose of this study is to investigate the
effect of rock mass condition on TBM performance.
Geology of the area
The geology along the tunnel route is predominantly the Main Range granite
batholith with a lesser extent of metasedimentary rocks of the Karak Formation
(Fig. 1). The depth of the tunnel ranges
from 25 m to 1315 m below the ground
surface as it passes through the Main
Range. These zones intruded into the
Paleozoic clastic and calcareous metasediments Pitfield et al., 1990). The granitic
rocks along the proposed tunnel route can
be divided into 3 types: first is the Kuala
Lumpur Granite; second is the Genting
Sempah Microgranite and third is the
Bukit Tinggi Granite. Geochronological
studies indicate that the granitic rocks
were emplaced during Late Triassic. The
Kongkoi Fault separates the Kuala Lumpur
Granite from the Genting Sempah
Microgranite and has a metasedimentary
screen on its west flank. Similarly, the
Genting Sempah Microgranite is separated from the Bukit Tinggi Granite by the
Bukit Tinggi Fault. There is a systematic
relationship between the joints, flow
structures, geometry of the granite plutons, dykes and faults.
Specification of TBM
Three identical 5.2 m diameter open type
TBMs are opted in tunnelling through the
hard rock Titiwangsa Main Range Granite.
Each of the TBM is designed to bore the
first 11.670 km, second 11.670 km and
third 11.218 km respectively. The following Table 1 gives a brief sum-mary of the
technical specification of the TBM used in
the project.
Figure 1: The geological map of the study
area
Buletin Enjinier, Jun 2013
Table 1: Summary of the technical specification of the TBM used in the tunnel project
Research methodology
The effect of rock mass quality on the
performance of TBM is studied from tunnel distance (TD) 0 to 3000 m. Studies
were carried out based on the analysis of
three different data collected at the tunnel site, first is the daily tunnel mapping
record, second is the TBM performance
data and third is the lab test results of
UCS on rock samples cored for every 50
m of the tunnel. The daily mapping of the
tunnel rock mass records the strength of
intact rock, joints properties and groundwater condition. The evaluation on the
performance of TBM was made based on
few parameters such as boring energy,
rate of penetration (ROP) and rate per
minute (RPM).
Affect of rock formations on TBM
performance
The selection of open type TBM was made
considering the geological condition of
the proposed alignment such the hard
rock of Titiwangsa Main Range Granite.
The granitic rock had experienced series
of faulting and folding (Shu, 1969 &
Stauffer, 1968). Few difficult excavations
by the TBM were envisaged due to the
existence of fault zones, high overburden
and potential risk of crossing water bearing zones. In Karak site, TBM-1 is most
unexpectedly encountered few locations
of high water bearing zones. One of the
locations is at CH8, 143 (TD1322) of
approximately 10 ton/min (av-erage of
4.1 ton/min) of sudden inrush warm
water was recorded, fig. 2. At this exact
location, TBM recorded 46.50 N/mm2 of
boring energy, 7.10 rev/min of RPM and
0.80 m/h of ROP. It was unexpected con-
dition as the three parameters of TBM
showed constant rates of reading until it’s
suddenly hit the water pocket zone.
Another encountered was at CH9, 939
(TD3118) to CH10, 019 (TD3198), where
appximately 10.7 ton/min of warm water
at temperature 33°C inrush into the tunnel from highly fractured, smooth planar,
closely to medium spaced joints, oriented
at N180°/70°-80°. The rock mass conditions were generally good, classified as
rock class CII to D, based on Japanese
Highway system of rock mass classification.
Whilst in TBM-2, high water ingress and
face collapse are the recorded geological
problems encountered. The first major
water ingress occurred at CH27, 962
(TD2200) ~ CH27, 402 (TD2760), where
approximately 5.4 ton/min of water gushing into the tunnel system. The second
inccident occured at CH30, 066 (TD
95.2m), water ingress was recorded at 5
ton/min (average 1.8 ton/min), believed
due to the occurrences of highly fractured
zone of Kongkoi Fault, positioned at
CH31, 200. Tunnel face collapses were
encountered at few points of TBM-2 with
major collapse occurred at CH 28, 591
(TD 1571m) and this is believed due to
the existence of Lepoh Fault (CH28, 600).
But, the collapse started to occur after the
TBM passed the zone with the collapsing
of loose rocks onto the TBM and created
a chimney shape of hole with 50 m high
Figure 2: High water inrush into the tunnel
at TBM-1, CH8143 of approximately 10
ton/min (average of 4.1 ton/min)
and 5 m wide above the TBM.
There are many models and equations
developed in estimating the performance
of TBM ahead of the boring. In many of
the models, UCS value of rock is the most
parameter used, eventhough the usage of
UCS solely may not provide accurate
results (Cigla et. al., 2001 & Yagiz, 2006).
In this project, UCS values were recorded
for every 50 m of the tunnel in addition to
the daily reading of Schimdt Hammer
rebound value, fig. 3a. The two tests
showed a satisfactory correlation as the
rebound hardess values deacreased with
the decreasing value of UCS, particurlaly
at TD800 and TD 2100 – 2500. A similar
pattern is also seen in boring energy and
daily progress of TBM, fig. 3b. There were
slightly dropped of boring energy and
daily progress of TBM at TD800 and
12
TD2100.
As shown in fig. 3(a & b), excavation at
TD 2100-2250 (Joint orientation =
N180°E /80°) showed high grade rock
that required high type of support system
because the presence of sheared zone of
fresh rock. Boring energy is low since
there was favourable oriented of fractures, whereas water ingress was very
high at more than 300 liter/min which
weaken the rock into smaller pieces and
caused the excavation progress per day is
high.
E. J. Textural variation and tin mineralization in granite from the main range
province of the Southeast Asian Tin Belt,
Volume 25, Issue 3-4, July - December
1990, Pages: 419–429.
3. Shu, Y. K. (1969) Some NW Trending
faults in the Kuala Lumpur and other
areas. News. Geol. Society Malaysia. 17, 1
-15 pp
4. Stauffer, P. H. (1968) The Kuala
Lumpur fault zone: A proposed major
strike slip fault across Malaya. News.
Geol. Society. 15, 2 – 4 pp
5. Yagiz, S. 2006. TBM performance prediction based on rock properties. In:
Cotthem, A. V. et. al. (ed), Proc., multiphysics coupling and long term behaviour
in rock mechanics, EUROCK’ 06, 663-670.
Liege, Belgium.
Article 3
HARMONIC MICROSTRUCTURE OF
TITANIUM FOR MECHANICAL
PROPERTIES IMPROVEMENT
K. Maslinda1,2,
K. Ameyama2,
T. Sekiguchi2
Figure 3: (a)-Recorded values of UCS,
Schmidt Hammer rebound; (b)-Boring energy
and execution daily progress of TBM-1
between TD 0 - 3000
Discussion and conclusion
The performance of TBM, thus the cost
scheduling and time of project completion, is greatly affected by the geological
conditions and discontinuity properties of
rock mass. Unexpected high water
ingress and poor rock mass conditions
may reduce dramatically the average
progress rates and practical consequences. Part of the problems were
expected to occur looking at the previous
geological records and preliminary vertical
drilling carried out prior the project. But,
most of the time, the ground is still unexpectedly delivers problems towards the
progress of tunnelling.
Acknowledgement
This research project is financially supported by the Ministry of Higher
Education (MOHE), Malaysia under the
Exploratory Research Grant Scheme
(ERGS). The permission to asssess the
tunnel sites and data are acknowledged
for the support from the Ministry of
Energy, Green Technology and Water,
Malaysia.
References
1. Cigla M., Yagiz, S., Ozdemir, L. 2001.
Application of tunnel boring machines in
underground mining development. In:
Unal, E. et al. (eds.), Proc., of
International Mining Congress and
Exhibition of Turkey, 155-164, Ankara,
Turkey.
2. Pitfield, P. E. J., Teoh, L. H. & Cobbing,
Buletin Enjinier, Jun 2013
1School
of Materials and Mineral
Resources Engineering, Engineering
Campus, Universiti Sains Malaysia, 14300
Nibong Tebal, Penang, Malaysia
2Department of Material Engineering,
Faculty of Mechanical Engineering,
Ritsumeikan University, Biwako Kusatsu
Campus, Shiga, Japan
Introduction
Titanium
Titanium has extraordinary properties
such as high bio-compatibility with high
corrosion resistance compared to other
materials. Because of these properties,
titanium is mainly used as the basic material for medical equipments. Other than
that, as one of the lightest material that
can be applied in metals, titanium is also
widely used as the basic material in aircraft industries.
Pure titanium has a relatively low density;
4.51g/cm3, high melting point; 1941[K]
with Young’s Modulus of 10.43 ×
Titanium
possesses
a
104[MPa].
Hexagonal Close Packed (HCP) structure
which is alpha-phase (α-phase) below
1155±2[K]. Titanium with HCP crystal
structure is known as α-Titanium. On the
other hand, above 1155±2[K], titanium
possesses a Body Centered Cubic (BCC)
structure which is beta-phase (β-phase).
Titanium with BCC crystal structure is
known as β-Titanium[1]
Strengthening Mechanism
Yield strength(σy) for most of the materials vary by the grain size, according to the
equation known as Hall-Petch equation
shown below:
Where d is the average grain diameter
while σ0 and ky are constants for a particular material. This equation shows the
inverse proportion relation between the
average grain diameter and the yield
strength; means that smaller grain size
will gives higher yield strength[2].
Severe Plastic Deformation (SPD) is the
main method to produce Ultra Fine Grain
(UFG), structure of metals with much
improved strength and hardness[3,4].
There are various types of SPD proceses
including Equal Channel Angular Process
(ECAP)[4], High Pressure Torsion
(HPT)[5], Accumulative Roll-Bonding
(ARB)[6]
process,
etc.
However,
Mechanical Milling (MM) process was used
in our laboratory to carry out the SPD
method. MM process is a powder processing technique that involves fracturing and
welding of powder particle in high energy
milling machine[7]
Harmonic Microstructure
“Harmonic microstructure” is a term uses
to define a hetero-mesh microstructure of
materials, where fine grains structure
formed at the surface region of the powder; known as “shell”. On the other hand,
coarse grain structure formed at the interior region of the powder is known as
“core”. For instance, previous research
proved that harmonic microstructure of
Stainless Steel (SUS316) has 1.5 times
higher intensity ratio and 3.0 times higher ductility ratio than conventional materials[8].
“Shell” and “core” region are usually
formed after the powder undergoes the
MM process. After sintering process, the
milled powder will form a compact metal
with continuous shell and core region.
The combination of MM and sintering
process is called Severe Plastic
Deformation-Powder Metallurgy (SPD-PM)
process. Figure 1 shows the harmonic
microstructure design; with shell and core
region at the surface and inner part of the
powder respectively.
Figure 1: Harmonic microstructure design.
Mechanically milled powder is composed of
ultra fine grains region, “shell” and coarse
grains region, “core”. The sintered compact
with the MM powder have a harmonic
microstructure.
13
Experimental Procedures
Mechanical Milling
CP titanium powders were mechanically
milled by jet mill equipment known as
Nano Jetmizer NJ-50 with zirconium coated layer inside the main chamber. The
processing capacity is from 10 to 1[kg/hr]
with 0.6~1.0[m3/min] airflow. The milling
process was done at room temperature in
nitrogen, N2 gas atmosphere. Table 1
shows the details of milled powder.
Figure 4 shows SEM micrographs of initial
and jet milled A SPS compacts. From the
micrographs, it can be noted that grains
in jet milled A were smaller compared to
the initial compact. At the surface of the
particle, a thin layer of shell region could
be seen although grains inside the shell
region could not be clearly seen.
These micrographs reveals that the shell
region appeared after the powder undergoes deformation through jet milling
process under jet milled A condition.
values between shell and core region.
This shows that UFG did not form in the
initial powder particles, resulting in no
shell region within the consolidated compact.
However, from jet milled A SPS compact,
it can be noted that there were large difference between dynamic hardness values of shell and core region which is 286
HT. This shows that the shell region is far
harder than the core region.
Table 1: Jet milled powder condition
Sintering
CP titanium powders were sintered by DR
SINTER SCM 2000 SPS machine. The processing temperature was set to 973[K]
and the load was set to 50[MPa] for
0.6[ks]. Then, the sintered compacts
were left cooled inside the SPS machine
for 1.8[ks] before the samples were taken
out.
Results & Discussion
From Fifure 2, by comparing the three
types of powder’s appearances, it can be
noted that jet milled A powder has rounded shape with bumpy surface while the
initial powder did not show any clear
bumpy surface. This shows that jet milled
A powder has been deformed by jet
milling process.
From Figure 3, the jet milled A powder
have different sizes of grains within the
powder particles; where smaller grains
formed around the surface region (shell)
whereas bigger grains formed around the
center region (core). On the other hand,
jet milled A powder and the initial powder
did not show any differences in the grain
size. The grains have irregular shape.
These micrographs reveals that jet milled
B powder formed shell and core region
after jet milling process. On the other
hand, jet milled A and initial powder did
not form any clear shell and core region.
(b)
Figure 2: SEM micrographs of powder’s
appearances (a) initial powder,(b) jet milled A.
Buletin Enjinier, Jun 2013
Figure 4 SEM micrographs of SPS compacts (a) initial, (b) jet milled A.
Figure 5 shows the increasing in of average hardness value from initial to jet
milled A SPS compact. This was due to
the decreasing of the total grains sizes as
the pressure of jet milling process
increase.
Figure 6 shows the average, maximum
and minimum values of dynamic hardness
for initial and jet milled A SPS compacts;
shell and core region. From the initial SPS
Figure 5: Average, maximum and minimum
values of Vickers hardness for initial and jet
milled A SPS compacts
Figure 6: Average, maximum and minimum values of dynamic hardness for initial and jet milled
A SPS compact; shell and core region
compact, it can be noted that there were
not much different in dynamic hardness
Furthermore, for jet milled B SPS compact, the maximum and minimum hardness values measured in shell region are
over than 800 HT and not below than 300
HT respectively. However, the maximum
and minimum hardness values measured
in core region are below than 500 HT and
over 100 HT respectively. This shows that
even in core region, the nearer the indentation spot to the shell region, the harder
the material become.
From both of the histograms, it can be
noted that the hardness values of each
shell and core region increased from initial to jet milled A SPS compact. The UFG
formed through jet milling process, which
can lead to the formation of shell and
core network after they are being consolidated by sintering process.
(b)
Figure 3: SEM micgraphs of powder’s cross
section (a) initial powder, (b) jet milled A.
14
Conclusions
CP titanium low oxygen powders (TiLOP)
were mechanically milled by jet milling
process. The powders then were consolidated by Spark Plasma Sintering (SPS)
process. Microstructure and hardness of
consolidated compacts were investigated.
Based on the experimental results, the
following conclusions could be obtained.
1.Powders milled by jet milling process
have smaller grains than the initial powders. The higher the air flow pressure, the
smaller the grains became.
2.Consolidated compacts fabricated with
high air flow pressure jet milled powders
showed a thin layer of shell region without clear grain boundaries can be seen
within the region.
3.High air pressure jet milled compact has
a higher hardness values compared with
the initial compact.
4.The shell region showed higher hardness value than the core region.
5.Jet milling process did improve the
hardness of powders and their consolidated compacts by forming ultra fine grains.
Increasing the air flow pressure during jet
milling process will increase the thickness
of the shell region and the hardness of
the powders and their consolidated compacts. However, the problem where clear
grains cannot be seen within the shell
region should be studied in the future
References
1.Titanium
and
Titanium
Alloys,
Fundamentals and Application, Edited by
Christoph Leyens, Manfred Peters,
WILEY-VCH, 2003.
2. Ranjan Mittal, Metallurgy & Materials
Engineering National Institute of
Technology Rourkela, 10604038, March
2009.
3. N. Hansen, X. Huang, R. Ueji and N.
Tsuji, Structure and strength after large
strain deformation, Mater. Sci. Eng. A,
387-389 (2004)191-194.
4. R. Lapovok, D. Tomus, V. Skripnyuk, M.
Barnett and M. Gibson, The effect of
hydrogenation on the ECAP compaction
of Ti–6Al–4V powder and the mechanical
properties of compacts, Mater. Sci. Eng.
A, 513-514 (2009) 97-108.
5. Alexander P. Zhilyaev, Terence G.
Langdon, Using high-pressure torsion for
metal processing: Fundamentals and
applications, Progress in Materials
Science, 53 (2008) 893-979.
6. N. Tsuji, Y. Ito, Y. Saito and Y.
Minamino, Strength and ductility of ultrafine grained aluminum and iron produced
by ARB and annealing, Scripta Mater., 47
(2002) 893-899.
7. T. Sekiguchi, K. Ono, H. Fujiwara and K.
Ameyama: 「New Microstructure Design
for Commercially Pure Titanium with
Outstanding Mechanical Properties by
Mechanical Milling and Hot Roll Sintering,
Materials Transactions, The Japan
Institute of Metals,51(2010),pp.39-45.
Buletin Enjinier, Jun 2013
8. H. Fujiwara, H. Tanaka, M. Nakatani
and K. Ameyama: 「Effects of Nano /
MesoHarmonic
Microstructure
on
Mechanical Properties in Austenitic
Stainless Steel Produced by MM / HRS
Process」 , Materials Science Forum,
Trans Tech Publications, 638-642(2010),
pp. 1790-1795.
Product 1
performance and value for money.
Environmental Friendliness
Emissions from the PM stove were under
acceptable levels and compliant with
ANSI standards. The present stove is
environmentally friendly and can also be
used in generation of electric power and
is particularly useful in outdoor activities
such camping and travel.
POROUS MEDIUM STOVE WITH
COGENERATION
(Won Gold medal at ITEX 2013)
Inventors:
Professor Dr. Mohd Zulkifly Abdullah
Professor Dr. Zainal Arifin Ahmad
Ahmad Kamal Ismail
Abdul Rashid Jamaludin
Novelty and inventiveness
Porous medium stove with cogeneration
is a new design of porous burner for
domestic use. By using a ceramic porous
material as medium of combustion, the
combustion efficiency increased. The
increased in combustion efficiency indicate the reduction of combustion pollutants such as carbon monoxide (CO) as
well. Furthermore, the novelty of the
hexagonal shape of the stove ease the
use of Thermoelectric (TE) cells for elec
trical cogeneration by using heat dissipation at the burner wall. Thus, more heat
convert to electrical power to be used
directly for mobile phone charging. This
leads to the increased of thermal efficiency of the stove.
Usefulness and application
The porous medium stove (PMS) with
cogeneration is never been developed
and still not available in the market so far.
This stove consist of porous medium (alumina and coated with silicon carbide) provide lower emissions especially CO and
NOx, lower fuel consumption (up to 50%
fuel saving) compare to the conventional
stove, gives better thermal efficiency and
higher flame temperature. The current
prototype of PMS can be used either
indoor or outdoor applications. The PMS
also able to be used with different fuels
such as LPG (indoor) and butane (outdoor), including extra feature with cogeneration for mobile, torch light, radio and
battery charging. The thermoelectric cells
have been used in this cogeneration purposes.
Market and commercial potential
Nowadays, manufacturers are looking for
a better option on combustion device,
especially for domestic use. Most domestic stove in the market use gas fuel such
as LPG, methane, propane or butane
from fossil fuel derivatives. This hydrocarbon fuels price increased due to global
consumer demand and the depletion of
the fuel itself. A highly efficient PM stove
has been developed to reduce the usage
of HC fuels without compromising on its
Sample product
Product 2
NANOCOAT: Remedy for VOC,
bacteria and fungi growing world.
(Won Gold medal at MTE 2013)
Inventors:
Assoc. Prof. Dr. Srimala Sreekantan
Dr. Ong Ming Thong
Siti Aida Ibrahim
Khairul Arifah Saharudin
Ramarao
Introduction
Various bacteria & virus are highly transmitted in our environment, and will cause
severe illness to weak persons & children.
Besides, toxic and carcinogen gases, like
VOC and formaldehyde that are emitted
after renovation (indoor pollutants) can
cause blood cancer. Here we have developed NANOCOAT Nano-Solutions as a
remedy for aforementioned health problem. NANOCOAT is a non-carcinogenic,
non-allergenic solution that protects the
health and well being of mankind against
bacteria, fungi, toxic and carcinogen
gases. It can be easily applied on any surface for such protection.
Novelty
In comparison with other anti-microbial
solution, NANOCOAT is safe and more
economical. It does not deteriorate and it
shows a long-term anti microbial effect. It
is also free from binder and iso-propyl
alcohol, unlike the common antimicrobial
solution available commercially. Work
effectively under any light.
Benefits of using NANOCOAT
*Nanosize 2-3nm-high surface area
*Transparent- easy to apply to any surface
*Multifunctional effects (Kills fungi and
bacteria 99.99% and Destroy VOC
99.99%)
*ONE time application, last for 2 years
15
How Nanocoat works?
NANOCOAT kills bacteria by inhibiting the
growth of microorganisms by emitting
oxygen radicals that penetrate and disrupt their cell walls. When the cell walls
are penetrated, leakage of metabolites
occurs and other cell functions are disabled, thereby preventing the microorganism from functioning or reproducing.
In terms of the effect against fungi, the
NANOCOAT solution inhibits the cell from
splitting under mitosis.
Applications
Most importantly, our NANOCOAT solution is designed to be easily integrated
into any surface (wood, tiles, polymer,
and fabric) with good adherence. We
have proven the functionality of this
material in the following projects:
∗Rapid KL public transport
∗Setia Alam City Mall
∗Gleneagles Hospital
∗Little Mandarin House – Kindergarten
alpha-TCP composite improved significantly upon PCL coating, i.e. an enhancement of 25 times as compared to that
before coating. In vitro biological evaluations have proven that bone marrow cells
adhered and proliferated well on the composites. Based on these findings, it can be
safely concluded that the process is successful in producing alpha-TCP scaffolds
coated with bioresorable PCL which is of
good potential to be used as cancelloustype
artificial
bone
replacement.
Figure 1. Structure of the human bone
Figure 2: Proliferation of bone marrow cells
on TCP.COM
Sample product
Product 4
Product 3
TCP.COM
r-RubFoam– A NOVEL SOLUTION
FOR GLOBAL OIL SPILLS
Patent Pending: PI 20094119
(Won Gold medal at ITEX 2013)
Inventors:
Professor Dr. Radzali Othman
Le Thi Bang
The novel process that was adjudged to
be of Gold Award merit during ITEX 2013
is for the production of a cancellous-type
artificial bone replacement (the final
product being named as TCP.COM –
TriCalcium Phosphate Composite). The
process starts off with the fabrication an
alpha-TCP (tricalcium phosphate) scaffold
through a proprietory method of directly
sintering CaCO3 and CaHPO4.2H2O at a
certain temperature. The scaffold was
then coated with poly ɛ-caprolactone
(PCL) through a special dipping process.
The final composite obtained retained a
three dimensional fully-interconnected
porous structure similar to human cancellous bone. The coated alpha-TCP scaffold
exhibited high porosity with large pore
size (500–700 µm) that can be considered to mimic the cancellous bone structure.The compressive strength of the
Buletin Enjinier, Jun 2013
US
gallons
of
oil
spill
(AbsorbentsOnline.com). Since 1970 –
2010 there were 1,700 of oil spills with
amount of 5.7 million tonnes of oil spilt.
Oil spills are now common disaster in the
world. There are several threats can be
found due to this oil spills on the environment such as Physical and chemical alteration of natural habitat, lethal effect on
flora and fauna and most biological communities are susceptible to the effects of
oil spills.
Importance of invention
1.Recycle various rubber wastes such as
tyres, scrap gloves, catheters, motorbike
tubes, etc into novel and re-usable oil
absorbent foam using Latex foam technology
2.Help Malaysian government to solve the
environmental problem of disposal various rubber wastes through the recycling
of scraps into valuable products.
3.To find the simplest and a friendly solution to absorb oil spills.
Novelty and Inventiveness
1.Using the conventional rubber processing equipments, simple manufacturing
process and low cost, all rubber wastes
can be recycled to produce r-RubFoam.
2.r-RubFoam –A cost effective, easy and
modern way to deal with the clean-up
and removal of oil spill on land and in
water.
3.Ideal for cleaning up oil spill in congested areas of warehouses and factories,
petrol stations, car workshops, petrochemicals and shipping industries and all
chronically spill prone areas.
Novel and Low Cost Technology
Incorporation of oil absorbent rubber
waste powder to produce open cell foam
using latex foam technology
(Won Gold medal & Special Award at
ITEX 2013)
Inventors:
Professor Dr. Hanafi Ismail (FASc)
Indrajith Rathnayake
Introduction
The annual production of rubber was 18
million tonnes in 2002. After 10 years of
time (2012) it has been increased up to
26 million tonnes. Most of these rubber
products are disposable and can cause a
big impact on the environment if they are
not recovered to useful products. The
main source of waste rubber is disposable
latex products such as gloves, catheters,
condoms, latex threads etc, discarded
rubber products, such as: discarded
tyres, rubber pipes, rubber belts, rubber
shoes, edge scraps and waste products
which are produced in rubber processes.
Why turning waste rubbers into Oil
Absorbent? Big potential application.
Every year there were about 100 million
Sample product
16