CuCr1Zr - alloy sheet

Rendering date: 2016-10-13 09:14:20
http://conductivity-app.org
CuCr1Zr
UNS:C18150
EN:CW106C
Manufactures list:
Aurubis (http://www.aurubis.com/en/) - CuCrZr(LCZ1)
Freeport McMoRan Copper & Gold (http://www.fcx.com/) - CuCr1Zr –class2
KM Europa Metal AG (http://www.kme.com/) - CuCr1Zr(STOL95)
Luvata (http://www.luvata.com/) - CuCr1Zr
Wieland-Werke AG (http://www.wieland.de/) - CuCr1Zr(KA8)
CuCr1Zr is a precipitation hardening copper alloy. It has high mechanical and electrical
properties. In the heat treated condition, this alloy retains the mechanical properties and
good ductility within the temperature of 300-500oC.
1
Basic properties
Basic properties
Density [g/cm3]
Specific heat capacity
[J/(kg*K)]
Temperature coefficient of
electrical resistance (0...100°C)
[10-3/K]
Electrical conductivity [T=20°C,
(% IACS)]
Thermal conductivity
[W/(m*K)]
Thermal expansion coefficient
20...300°C [10-6/K]
[Ref: 201, 203, 205, 207]
Value
8,9
380
No data
86
320
17
2
Comments
Applications
Main applications
Resistance welding tips, electrode caps for the automotive industry, tong arms for
welding robots, electrode holders, press parts, overhead contact wires for electric
railway, damper rings, damper finger segments. Literature: [Ref: 188, 205]
Kinds of semi-finished products/final products
Resistance welding tips and electrodes, parts for the energy engineering, damper finger
segments, damper rings, connectors, rotors, contacts.
3
Chemical composition
Chemical composition
Cr [wt.%]
Cu [wt.%]
Fe [wt.%]
Si [wt.%]
Zr [wt.%]
Others [wt.%]
[Ref: 570]
Value
0,5-1,2
98,12-99,27
0-0,08
0-0,1
0,03-0,3
0,2
4
Comments
Calculated
Mechanical properties
Mechanical properties
UTS [MPa]
YS [MPa]
Elongation [%]
Hardness
Young’s modulus [GPa]
Kirchhoff’s modulus [GPa]
Poisson ratio
Value
200-520
60-460
8-30
152
128
49,2
0,3
Comments
Literature
HB
Calculated
Material's mechanical and electrical properties in different tempers
Temper
Extruded and
drown rod 1015mm
Extruded and
drown rod 50120mm
Extruded and
drown
rectangular
and square
bars
Welding
electrodes
(drown,
forged)
Drawn rod and
bar
Round bar
R200
Round and
hexagonal bar
R440
Round bar
R470
Square bar
R420
Cast C18100
TL02 wire
15,2mm diam
TL02 wire
17,8mm diam
TL04 wire
12,7mm diam
TL04 wire
15,2mm diam
Tensile
strength,
MPa
Yield
strength
(min), MPa
Elongation
(min)
A50mm
520
466
20
465
410
18
370-470
270-440
8-18 (A5)
Hardness
82 (Rockwell
B)
152 (Brinell)
72 (Rockwell
B)
125 (Brinell)
Literature
[Ref: 205]
[Ref: 206]
125-155
(HB10)
72-83 Rockwell
B
[Ref: 205]
100-140
(HV30)
[Ref: 196]
75 Rockwell B
[Ref: 207]
455
425
19
min.200
60
min. 30 (A%)
[Ref: 203]
min. 440
350
min. 10 (A%)
[Ref: 203]
min. 470
380
min. 8 (A%)
[Ref: 203]
min. 420
330
min. 12 (A%)
[Ref: 203]
min. 415
min. 345
25
[Ref: 208]
469
400
19
[Ref: 210]
469
338
15
[Ref: 210]
469
455
15
[Ref: 210]
469
434
20
[Ref: 210]
5
Sheet, solution
heat treated,
artificially aged
3-100mm
Sheet, solution
heat treated,
artificially aged
0.3-10mm
Sheet, solution
heat treated,
strai-hardened
0.3-10mm
Tubes, solution
heat treated,
artificially aged
1-10mm
Tubes, solution
heat treated,
strainhardened,
artificially aged
1-10mm
Forging
solution heat
treated,
artificially aged
<315mm
Forging
solution heat
treated,
artificially aged
>315mm
Forging
solution heat
treated,
artificially aged
Forging
solution heat
treated,
artificially aged
370
270
12 (A10)
125 HB
DIN 17670-1
440
390
10 (A10)
145 HB
DIN 17670-1
360
310
10 (A10)
115 HB
DIN 17670-1
370
270
18(A5)
125 HB
DIN 17670-1
440
350
10 (A5)
145 HB
DIN 17670-1
410
290
10 (A5)
115 HB
DIN 17673-1,
340
270
15 (A5)
100 HB
DIN 17673-1
370
270
15 (A5)
125 HB
DIN 17674-1
440
370
10 (A5)
140 HB
DIN 17674-1
Effect of heat treatments on tensile properties of CuCrZr alloy at different temperature
Test
Tensile
Temper of
temperature, strength,
CuCr1Zr
o
MPa
C
Yield
Uniform
strength
elongation
(min), MPa
eu (%)
6
Total
elongation
et (%)
Literature
The alloy
was solution
annealed at
960oC for 3
hours,
water
quenched
and heat
treated at
460oC for 3
hours PA
HT1:PA+600
o
C for 1
hour
HT2:PA+600
o
C for 4
hour
Solutionised
at 1000oC
for 1 hour
water
quenched
and aged at
480oC for 5
hour
Solutionised
at 950oC for
1 hour
water
quenched
50
364-416
260-295
20-24
24-30
300
240-250
304-328
15-18
19-27
[Ref: 202,
214]
50
318
200
26
30
300
227-255
150-180
17-19
21-24
50
289-307
165-175
24-34
32-41
300
201-218
120-135
22-25
28-36
450
190
140
25
37
[Ref: 185]
20
100
150
200
250
300
350
400
500
550
600
650
700
277
239
230
211
207
204
220
249
166
109
140
67,3
68,5
98,4
72,7
83
78,7
75,4
69,6
66,7
141
139
106
131
64,4
64,9
36,9
45,8
42,8
39,7
42,1
41,9
32,6
35
28,4
18,7
18,5
23,9
43,5
[Ref: 200]
7
True stress-true strain curves for the solutionised (at 1000°C for 1 hour and water
quenched) plus aged (at 480°C for 5 hour) - at room temperature (RT) and 450°C [Ref:
185]
Ultimate tensile strength (Su) and yield strength (Sy) of CuCrZr alloy in SAcwA condition
and minimum tensile strengths. Data points are from the ITER MPH database. (Note:
SAcwA -solution annealing at 980-1000°C for 30-60 min, water quench, followed by cold
working 40-70% and ageing at 450-470°C, for 2-4 h) [Ref: 189]
8
Ultimate tensile strength (Su) and yield strength (Sy) of CuCrZr alloy in SAA condition
and minimum tensile strengths. Data points are from the ITER MPH database. (Note:
SAA - solution annealing at 980-1000°C for 30-60 min., water quench and age at 460500°C for 2-4 h) [Ref: 189]
Temperature effect on the yield strength of Cu-Cr-Zr alloys [Ref: 226]
9
Resistivity vs. temperature plot for solutionised (1000°C for 1 hour and quenched Cu-CrZr alloy (heating and cooling 2°C/min) [Ref: 185]
Thermal conductivity and specific heat of a CuCr1Zr alloy and pure copper.[Ref: 211]
10
Change in thermophysical properties (a-thermal conductivity, b- thermal expansion
coefficient) with temperature of the Cu0.63Cr0.55Zr alloy [Ref: 215]
11
Exploitation properties
Heat resistance
Mechanical and electrical properties vs temperatures
Softening point: 480°C [Ref: 207]
Vickers
hardness
dependent
on
the
annealing
temperature
for
Cu0.4Cr0.12Zr0.02Si0.05Mg drawn to η = 6.0 (true strain). Time ofannealing 1 h. [Ref:
194]
Heat
flow
difference
of
two
consecutive
runs
Cu0.4Cr0.12Zr0.02Si0.05Mg drawn to η = 6.0. [Ref: 194]
12
at
20
°C/min
for
The measured flow stress dependent on the annealing
Cu0.4Cr0.12Zr0.02Si0.05Mg. Time ofannealing 1 h. [Ref: 194]
temperature
for
Resistivity and dislocation density dependent on annealing temperature for the tested
Cu0.4Cr0.12Zr0.02Si0.05Mg Time of annealing 1 h. [Ref: 194]
13
Hardness at 20°C as a function of annealing temperature (1 hour) of as-extruded alloys
(Cu0.2Zr - ZA-2, Cu0.37Zr - ZA-3, Cu0.8Zr - ZA-8 and Cu0.32Cr0.1Zr - ZAC-1). [Ref:
175]
Tensile strength vs. temperature of annealingfor CuCrZr [Ref: 212]
Long-therm heat resistance, e.g. Arrhenius curve
NO DATA AVAILABLE
Half- softening temperature
NO DATA AVAILABLE
Corrosion resistance
Hydrogen embrittlement resistance
NO DATA AVAILABLE
14
Other kind of corrosion elements
Corrosion parameters of Cu1.4Cr0.12Zr, in the solutions at various pH without and with
NaCl. [Ref: 188]
Reaction
pH1
pH3
pH5
pH7
pH10
pH12
OCP, V
-0,11
-0,05
0,05
-0,05
-0,04
-0,12
Without
Icorr,
µA/cm2
0,046
0,084
0,034
0,039
0,058
0,131
NaCl
Epit, V
0,18
0,25
0,50
Ipass,
µA/cm2
1,7
10,0
OCP, V
-0,29
-0,27
-0,23
-0,19
-0,21
-0,24
0,6 M NaCl
Icorr,
Epit, V
µA/cm2
2,025
0,420
0,139
0,043
0,121
0,129
0,53
Plot of OCP vs time (a) and potentiodynamic polarization curves (b) of various copper-
15
Ipass,
µA/cm2
20
based
alloys
in
3.5%
NaCl
(Note: Cu: hard-drawn, Copper alloys- age hardened) [Ref: 216].
at
23°C.
Weight-loss of specimens exposed in NaCl solution atmosphere of Cu0.36Cr, Cu,
Cu0.36Cr0.11Zr , CuZr0.15, (Note: NaCl atmospheric corrosion test in salt spray
chamber (in salt mist of 50 g NaCl/l) in the temperature of 35°C, in accordance with ISO
3768-1976 standard) [Ref: 225].
Type of corrosion
Atmospheric
Marine environment
Stress crack
Hydrogen embrittlement
Electrolytic
Other
Suitability
Good
Good
No data
Good
No data
No data
Rheological resistance
Stress relaxation
NO DATA AVAILABLE
Creep
16
Literature
[Ref: 212]
[Ref: 212]
[Ref: 212]
-
Creep strength in time function of CuCrZr alloy for different temperatures [Ref: 212]
Ultimate elongation in time function of CuCrZr alloy for different temperatures [Ref: 212]
17
Stress-rupture plot for CuCr0,32Zr0,1 at 400°C and 650°C - powder metallurgical alloy
[Ref: 175]
Steady-state thermal creep laws for copper alloys [Ref: 226]
18
Creep strain from test data and creep laws for Cu-Ni-Be, Cu-Cr- Zr and Cu-Ag-P [Ref:
226]
Wear resistance
Friction resistance
Wear mass loss of the CuCrZr alloy pins with sliding distance at electrical current of 30 A
(Note: Examinations of the influence of the heat treatment parameters of the CuCrZr
alloy on abrasion in conditions of current passage were carried out on supersaturated
rods that have been previously hold at the temperature of 920°C for 0.5 hour. Next, it
was subject to aging for 2 hours within the temperatures of 420 - 540°C and cooled in
the air. Examinations were performed on a pin-on-disk wear tester with the CuCrZr alloy
pin rubbin against a brass disk (Vickers hardness 83, 45mm diameter and 10 mm
thickness). Abrasion examinations were performed at the velocity of 14 m/s and loading
of 20 N (pressure: 0.2 MPa). Passing current value was between 0 to 30 A at the voltage
og 70 V. Samples surfaces were polished (before abrasion) with abrasive paper with its
gradation value of 800 [Ref: 190].
19
Wear mass loss of the brass disk rubbing against the CuCr1Zr alloy pins with sliding
distance at electrical current of 30 A [Ref: 190].
20
Plots of cumulative volume loss vs time for copper and its alloys under 20 N at (a) 0 A,
(b) 30 A and (c) 50 A. (Note: Cu-wire cold drawn, copper alloys - age hardened.
Examinations were performed by pin-on-disc tribometer. The negative sample was the
S30400 disc made of stainless steel. Examinations were carried out in an air atmosphere
with the velocity of 31 km/h and under loading of 10 - 20 N on a roll sample at the
diameter of 13 mm and length of 13 mm) [Ref: 216].
21
Plots of cumulative volume loss vs time for copper and its alloys under load of (a) 10 N
and (b) 15 N at 50 A. (Note: Cu-wire cold drawn, copper alloys - age hardened).
Examinations were performed by pin-on-disc tribometer. The negative sample was the
S30400 disc made of stainless steel. Examinations were carried out in an air atmosphere
with the velocity of 31 km/h and under loading of 10 - 20 N on a roll sample at the
diameter of 13 mm and length of 13 mm) [Ref: 216].
22
Sliding wear resistance for copper and its alloys under 20 N with and without current.
(Note: Cu-wire cold drawn, copper alloys - age hardened. Examinations were performed
by pin-on-disc tribometer. The negative sample was the S30400 disc made of stainless
steel. Examinations were carried out in an air atmosphere with the velocity of 31 km/h
and under loading of 10 - 20 N on a roll sample at the diameter of 13 mm and length of
13 mm) [Ref: 216].
Sliding wear resistance vs. hardness for various alloys under 20 N with and without
current. (Note: Cu-wire cold drawn, copper alloys - age hardened. Examinations were
performed by pin-on-disc tribometer. The negative sample was the S30400 disc made of
stainless steel. Examinations were carried out in an air atmosphere with the velocity of
31 km/h and under loading of 10 - 20 N on a roll sample at the diameter of 13 mm and
length of 13 mm) [Ref: 216].
23
Plots of wear rate vs load for copper and its alloys at (a) 0 A, (b) 30 A and (c) 50 A.
(Note: Cu-wire cold drawn, copper alloys - age hardened. Examinations were performed
by pin-on-disc tribometer. The negative sample was the S30400 disc made of stainless
steel. Examinations were carried out in an air atmosphere with the velocity of 31 km/h
and under loading of 10 - 20 N on a roll sample at the diameter of 13 mm and length of
13 mm) [Ref: 216].
24
Plots of wear rate vs current for copper and its alloys under (a) 10 N, (b) 15 N and (c) 20
N. (Note: Cu-wire cold drawn, copper alloys - age hardened. Examinations were
performed by pin-on-disc tribometer. The negative sample was the S30400 disc made of
stainless steel. Examinations were carried out in an air atmosphere with the velocity of
31 km/h and under loading of 10 - 20 N on a roll sample at the diameter of 13 mm and
length of 13 mm) [Ref: 216].
Fatigue resistance
25
Fatigue cracking
Variation of number of cycles to failure with stress amplitude determined using load
controlled creep-fatigue tests carried out at 295 K and 573 K with different holdtimes on
prime aged (PA) CuCrZr. (Note: The alloy was solution annealed at 960°C for 3 hours,
water quenched and heat treated at 460°C for 3 hours PA, HT1:PA+600°C for 1 hour,
HT2:PA+600°C for 4 hour) [Ref: 214]
Variation of number of cycles to failure with stress amplitude determined using load
controlled creep-fatigue tests carried out at 295 K and 573 K with different holdtimes for
the overaged (HT1) CuCrZr alloy. (Note: The alloy was solution annealed at 960°C for 3
26
hours, water quenched and heat treated at 460°C for 3 hours PA, HT1:PA+600°C for 1
hour, HT2:PA+600°C for 4 hour) [Ref: 214].
Variation of number of cycles to failure with stress amplitude determined using load
controlled creep-fatigue tests carried out at 295 K and 573 K with different holdtimes for
the overaged (HT2) CuCrZr alloy. (Note: The alloy was solution annealed at 960°C for 3
hours, water quenched and heat treated at 460°C for 3 hours PA, HT1:PA+600°C for 1
hour, HT2:PA+600°C for 4 hour) [Ref: 214].
Temperature effect on the fatigue lifetime of Cu-Cr-Zr [Ref: 226]
27
Impact strength
NO DATA AVAILABLE
28
Fabrication properties
Fabrication properties
Soldering
Brazing
Hot dip tinning
Electrolytic tinning
Electrolytic silvering
Electrolytic nickel coating
Oxyacetylene Welding
Gas Shielded Arc Welding
Coated Metal Arc Welding
Resistance welding
Capacity for Being Cold Worked
Capacity for Being Hot Formed
Machinability Rating
Value
Good
Fair
Good
Good
Good
Good
Not
recommended
Fair
Fair
Fair
Good
Good
20
29
Comments
Literature
[Ref: 210]
[Ref: 210]
[Ref: 212]
[Ref: 212]
[Ref: 212]
[Ref: 212]
[Ref: 212]
[Ref:
[Ref:
[Ref:
[Ref:
[Ref:
[Ref:
210]
212]
210]
212]
212]
268]
Influence of aging on the properties of CuCrZr alloy water quenched: hardness (a),
electrical
conductivity
(b),
YS
(c),
UTS
(d),
TE
(e)
and
RA
(f).
(Solution annealing at 950°C for 30 min) [Ref: 186]
30
Influence of aging on the properties of CuCrZr alloy air cooled: hardness (a), electrical
conductivity
(b),
YS
(c),
UTS
(d)
TE
(e)
and
RA
(f).
(Solution annealing at 950°C for 30 min) [Ref: 186]
31
Variation of hardness and electrical conductivity of the CuCrZr alloy with aging
temperature.
(sample was solution treated at 920°C for 0,5 hour ) [Ref: 190]
Electrical conductivity (IACS %) values of CuCrZr according to ageing temperature and
period. (Note: CuCrZr alloy samples were quenched after holding at the temperature of
920°C for 1 hour in an argon atmosphere. Such samples were aged within the
temperatures range of 470-530°C within the time limits of 1, 2 and 3 hours and then
cooled [Ref: 220]
Aging temperature, oC
Aging time, h
470
470
470
500
500
500
530
530
530
1
2
3
1
2
3
1
2
3
32
Electrical conductivity,
%IACS
68,7
72
76,5
72,26
75,26
80,79
77,03
79,6
89
Influence of D1 and D2 and ageing parameters of CuCrZr on Rm. a. 400°C for 6 h, b.
450°C for 6 h, c. 450°C for 3 h and d. 500°C for 3 h. (Note: Supersaturated feed was
deformed at the deformation level of 10% - 50% (D1) and aged within the temperatures
range of 400-500°C in time limits of 3 to 6 hours. Next, it was drawn with deformation of
10-50% (D2) onto the final diameter of 2 mm) [Ref: 198]
33
Influence of D1 and D2 and ageing parameters of CuCrZr on A200. a. 400°C for 6 h, b.
450°C for 6 h, c. 450°C for 3 h and d. 500°C for 3 h. (Note: Supersaturated feed was
deformed at the deformation level of 10% - 50% (D1) and aged within the temperatures
range of 400-500°C in time limits of 3 to 6 hours. Next, it was drawn with deformation of
10-50% (D2) onto the final diameter of 2 mm) [Ref: 198]
34
Influence of D1 and D2 and ageing parameters of CuCrZr on electrical conductivity
(IACS). a. 400°C for 6 h, b. 450°C for 6 h, c. 450°C for 3 h and d. 500°C for 3 h. (Note:
Supersaturated feed was deformed at the deformation level of 10% - 50% (D1) and aged
within the temperatures range of 400-500°C in time limits of 3 to 6 hours. Next, it was
drawn with deformation of 10-50% (D2) onto the final diameter of 2 mm) [Ref: 198]
35
Technological properties
Technological properties
Melting temperature [°C]
Annealling temperature [°C]
Homogenization temperature
[°C]
Value
1070-1080
600-800
Comments
950-1000
30-45min.
Quenching temperature [°C]
950-1000
Ageing temperature [°C]
425-550
Stress relievieng temperature
[°C]
Hot working temperature [°C]
2-5h
Literature
[Ref: 212]
[Ref: 212]
[Ref: 185, 186
, 212]
[Ref: 185, 186
, 189]
[Ref: 185, 186
, 189, 212]
300-350
[Ref: 212]
850-950
[Ref: 212]
36
References:
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185. Microstructure and properties of a Cu-Cr-Zr alloy - I.S. Batra, G.K.Dey,
U.D.Kulkarni, S.Banerjee, Journal of Nuclear Materials 299 (2001) 91-100
186. Effect of heat treatments on the properties of CuCrZr alloys - A.D. Ivanov,
A.K. Nikolaev, G.M. Kalinin, M.E. Rodin, Journal of Nuclear Materials 307–311 (2002)
673–676
188. Effect of pH on corrosion behavior of CuCrZr in solution without and with
NaCl - C.T. Kwok, P.K. Wong, H.C. Man, F.T. Cheng, Journal of Nuclear Materials 394
(2009) 52–62
189. Specification of CuCrZr alloy properties after various thermo-mechanical
treatments and design allowables including neutron irradiation effects - V.R.
Barabash a,?, G.M. Kalinin b, S.A. Fabritsiev c, S.J. Zinkle, Journal of Nuclear Materials
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Cu–Cr–Zr alloy - J.P. Tu, W.X. Qi, Y.Z. Yang, F. Liua, J.T. Zhang, G.Y. Gan, N.Y. Wang,
X.B. Zhang, M.S. Liu, Wear 249 (2002) 1021–1027
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wt.%Si–0.05 wt.%Mg - X.F. Li, A.P. Dong, L.T. Wang, Z. Yu, L. Meng, Journal of Alloys
and Compounds 509 (2011) 4092–4097
196. Deformation influence on a lifetime of welding electrode tips - Jan Vinas,
Milan Abel, Lubos Kascak, Materials Engineering, Vol. 16, 2009, No. 3
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electrical conductivity of a CuCrZr alloy - G DURASHEVICH*, V CVETKOVSKI and V
JOVANOVICH, Bull. Mater. Sci., Vol. 25, No. 1, February 2002
200. The influence of the temperature of tensile test on the structure and plastic
properties of copper alloy type CuCr1Zr - W.Ozgowicz, E.Kalinowska-Ozgowicz,
B.Grzegorczyk, Journal of Achievements in Materials and Manufacturing Engineering, vol.
29, Issue 2, august 2008
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203. Data sheet - CuCr1Zr - FRW Carobronze
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Rods, 10 - 25 mm - www.MatWeb.com
206. Ampco Metal AMPCOLOY_972 Chromium-Copper Alloy, Extruded and Drawn
Rods, 50 - 120 mm - www.MatWeb.com
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37
208. MetalTek C18100 Chrome Zirc Copper High Conductive - www.MatWeb.com
210. Copper Zirconium alloys - Lars Bergqvist-Technical Raport 2/2011 Lesjofors
211. Determination of the thermophysical properties of a CuCr1Zr alloy from
liquid state down to room temperature - J. Wisniewski1, J.-M. Drezet, D. Ayrault, B.
Cauwe
212. CuCr1Zr - Deutsches Kupferinstitut
214. Creep-Fatigue Deformation Behaviour of OFHC-Copper and CuCrZr Alloy
with Different Heat Treatments and with and without Neutron Irradiation - B.N.
Singh, M. Li, J.F. Stubbins and B.S. Johansen, Raport Riso R-1528 (EN) ISSN 0106-2840
215. Thermal fatigue testing of CuCrZr alloy for high temperature tooling
applications - Yucel Birol, J Mater Sci (2010) 45:4501–4506
216. Sliding Wear and Corrosion Resistance of Copper-based Overhead Catenary
for Traction Systems - C.T. Kwok, P.K. Wong, H.C. Man and F.T. Cheng, IJR
International Journal of Railway Vol. 3, No. 1 / March 2010, pp. 19-27
220. Effect of ageing treatment on wear properties and electrical conductivity of
Cu–Cr–Zr alloy - IBRAHIM SAGLAM, DURSUN OZYUREK, and KERIM CETINKAYA, Bull.
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