Intefacial mobility and its effect on flexural strength and fracture toughness in glass fiber reinforced epoxy laminates
Conference
·
OSTI ID:127070
- Univ. of Missouri, Rolla, MO (United States)
Constant-strain-rate mechanical testing was used to study the fracture mechanical characterization of E-glass fiber fabrics reinforced epoxy composites. Testing was performed as a function of the silane coupling agents used with a compact tension (CT) specimen for fracture toughness and rectangular specimen for flexural strength. Two silane coupling agents, {gamma}-aminopropyltriethoxysilane (APS) and {gamma}-aminobutyltrithoxy-silane (ABS) were used for this purpose. The fracture toughness, K{sub lc}, of ABS treated composites was shown to be lower than that for APS treated composites. Treatment with either is better than using bare glass. A three point bend test showed the flexural strength and modulus were increased in order of untreated
- OSTI ID:
- 127070
- Report Number(s):
- CONF-950402--
- Country of Publication:
- United States
- Language:
- English
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