Fracture toughness improvement of epoxy resins with short carbon fibers

The fracture toughness of epoxy resins/short carbon fiber (SCF) composites was significantly improved relative to the neat epoxy resins. This study examined the thermal stability and fracture toughness of diglycidylether of bisphenol-A (DGEBA)/short carbon fiber (SCF) composites using several techni...

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Bibliographic Details
Published in:Journal of industrial and engineering chemistry (Seoul, Korea) 2014, 20(4), , pp.1220-1222
Main Authors: Dong, Wei, Liu, Heng-Chang, Park, Soo-Jin, Jin, Fan-Long
Format: Article
Language:English
Subjects:
Composites
DGEBA
Fracture toughness
Short carbon fiber
Thermal stability
화학공학
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Summary:The fracture toughness of epoxy resins/short carbon fiber (SCF) composites was significantly improved relative to the neat epoxy resins. This study examined the thermal stability and fracture toughness of diglycidylether of bisphenol-A (DGEBA)/short carbon fiber (SCF) composites using several techniques. The thermal stability of the DGEBA/SCF composites was similar to that of neat epoxy resin. The fracture toughness of the composites was significantly improved relative to the neat resin. The SEM micrographs indicated that a relatively rough surface with shear deformation and tortuous cracks was formed, thereby preventing deformation and crack propagation and inducing higher fracture toughness in the DGEBA/SCF composites.
ISSN:1226-086X
1876-794X
DOI:10.1016/j.jiec.2013.06.053