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Intefacial mobility and its effect on flexural strength and fracture toughness in glass fiber reinforced epoxy laminates

Conference ·
OSTI ID:127070
;  [1]
  1. 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