How AMIL Performs Catalytic Carbon Brake Disk Oxidation

SAE G-12 RDF
Catalytic Oxidation Working Group Meeting
San Francisco, May 2011
How AMIL Performs
Catalytic Carbon Brake Disk
Oxidation Test
AIR5567A
for
AMS 1431C / 1435B Runway De-icer
Diane Paradis
Marc Mario Tremblay
AMIL
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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AMIL vs AIR5567 Method - Background
Date
Actions
November 2008
AMIL was contacted by
Alun Williams
January 2009
to
April 2009
Evaluated the method, suggestions
December 2009
Validation tests : Generic de-icers
January 2010
Requests from RDF manufacturers
Started Set-up for Testing
AMIL started testing of commercial
Runway De-icers
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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AIR5567 Test Results
Typical Turn Around Time:
When Runway De-icer is submitted for
Testing
9 AO Coated Test Coupons in hands
¾ 2 weeks
¾ AO Coated Test Coupons not in hands
delivery time : 45 days (minimum)
¾ at least 2 months
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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Runway De-icers Tested as per AIR5567
at AMIL - May 2011
Runway De-icer Form
Total
Liquid
Solid
32
4
36
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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AIR5567 Test Method
Material and Procedure
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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Step 3.3 k - AO Coated Coupons
Provided by Honeywell : Sets of 8 test coupons
Carbon/carbon composite brake material CARBENIX® 4000
Having an average of initial weight = 19.8 ± 0.1 g
Test coupons received
already
treated with AO coating
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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Contamination of Coupons – Runway Deicer Solution
Step 3.4 e - Total Immersion Time
= 10 ± 1 min (5 min / side)
Step 3.4 a - Runway De-icer
25 % w/w Solution
Glass Vessel
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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Deicer Contaminated Coupons
Step 3.4 f - Dry Coupons
Oven 150 °C, 2 hours
Glass Vessel
(Petri Dish)
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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After 2 hours at 150 °C
After Drying Period
Step 3.4 f - Immediately
Transfer to a Desiccator
Minimum of 30 minutes
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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Weight of Contaminated Coupons
9Step 3.4 g - Weight and Record Coupons Weights
9Step 3.4 h - Calculate the % Pick-up of Deicer
To ± 0.001g Accuracy
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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Oxidation Testing - Alumina Disks
Step 3.5 a - Place Coupons on
Refractory Dish Base
#1
#2
#3
#4
#5
#6
≈ 2.5 inch
High Temperature
Resistance Tray
#8
#7
FRONT
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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Oxidation Testing - Still Air Muffle Furnace
Steps 3.5 b/c/d - Load Sample Tray
Preheated
Furnace
550 ± 5 °C
24 hours
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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After 24 hours
Step 3.5 e - Tray with
Hot Coupons
Remove Hot Coupons
and Tray
from the Furnace
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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Cool to Room Temperature
Step 3.5 e - Allow Coupons
to Air Cool ≈ 1 hour
Transfer in a Desiccator
to Achieve Room Temperature
at least 30 minutes
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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Weight Loss Determination
For each Runway De-icer
9Step 3.5 f - Weight and Record Final Weights
9Step 3.5 h - Calculate the Mean % Weight Loss
9Step 3.5 k - Calculate the Mean % Normalized
Oxidation Weight Loss
To ± 0.001g Accuracy
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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For information:
Marc Mario Tremblay AMIL
[email protected]
1-418-545-5011 (2155)
SAE G-12 RDF Cat. Oxidation WG Meeting, San Francisco May 2011
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