Open AccessPreparation and Characterization of a High Toughness Carbon/Epoxy Composite
Author(s) -
Jee Eun Lee,
Jong Sung Won,
Jong Hyun Park,
Chun Su Kim,
Seung Goo Lee
Publication year - 2017
Publication title -
textile science and engineering
Language(s) - English
Resource type - Journals
eISSN - 2288-6419
pISSN - 1225-1089
DOI - 10.12772/tse.2017.54.054
Subject(s) - epoxy , materials science , composite material , delamination (geology) , composite number , fiber pull out , toughness , stiffness , fracture toughness , breakage , shear strength (soil) , composite laminates , environmental science , biology , soil water , paleontology , subduction , soil science , tectonics
c2017 The Korean Fiber Society Abstract: Interlaminar delamination is an important problem in applications of carbon fiber reinforced composites. Delamination occurs due to the presence of matrix cracks, causes fiber breakage, and results in the loss of stiffness and strength, which may lead to safety and reliability problems. In this study, the effect of polyethersulfone (PES) of the epoxy resin on interlaminar shear strength and fracture toughness of carbon/epoxy composites was investigated. Consequently, interlaminar bonding increased with proper addition of PES, but excess PES led to loss of interlaminar bonding of the carbon/epoxy composite.
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