5250-4 bismaleimide resin is used in high performance polymer
matrix composites with high temperature aeronautical applications.
This thesis investigated the thermal and oxidative degradation of
5250-4 neat resin powder in argon, air, and oxygen environments.
The powder was agedat 163, 177, and 190 C in all environments for
at least 250 hours. Isothermal thermo-gravimetric analysis
demonstrated that weight loss was negligible for agingin the argon
environment, indicating weight loss isthe result of an oxidative
process at these temperatures.The 5250-4 powder exhibited an
initial period of weightgain before eventually losing weight inboth
air and oxygen. The applicabilityof a closedloop oxidation scheme
to 5250-4 gravimetric behavior was investigated. Kinetic parameters
for the scheme were determined for the AirForce Research
Laboratory's polymermatrix composite lifetime prediction modeling
efforts.
General
| Imprint: |
Biblioscholar
|
| Country of origin: |
United States |
| Release date: |
October 2012 |
| First published: |
October 2012 |
| Authors: |
Patrick E. Link
|
| Dimensions: |
246 x 189 x 5mm (L x W x T) |
| Format: |
Paperback - Trade
|
| Pages: |
102 |
| ISBN-13: |
978-1-286-86680-1 |
| Categories: |
Books >
Social sciences >
Education >
General
|
| LSN: |
1-286-86680-4 |
| Barcode: |
9781286866801 |
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