Thermal shock resistance of toughened epoxy resins
Conference
·
OSTI ID:76225
- Tokyo Institute of Technology (Japan)
- Nihon Univ., Chiba-ken (Japan)
The thermal shock resistance of epoxy resin specimens toughened with carboxy-terminated poly(butadiene-acrylonitrile) (CTBN) and poly-glycol were tested using a new notched disk-type specimen. The new thermal shock testing method consists of quenching a notched disk-type specimen and applying a theoretical analysis to the test results to determine crack propagation conditions. For both toughened epoxy resins, this test method evaluated improvements in thermal shock resistance. The thermal shock resistance of epoxy resin toughened with CTBN exhibited a maximum at a 35 parts per hundred resin content of CTBN. The epoxy resin toughened with polyglycol exhibited improved thermal shock resistance with increasing glycol content. 7 refs., 14 figs., 1 tab.
- OSTI ID:
- 76225
- Report Number(s):
- CONF-900802--
- Country of Publication:
- United States
- Language:
- English
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