Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 32, Issue 9, Pages 1311-1317Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S1359-835X(01)00098-7
Keywords
fracture toughness; impact behaviour; thermoset resin
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Fracture and impact behaviours of hollow-glass micro-sphere/epoxy resin composites are studied in terms of fracture toughness, fractography, flexural properties and impact force. Volume fraction of micro-spheres for the composites was varied up to 0.65. The addition of micro-spheres did not enhance the specific fracture toughness of the composites despite the presence of a pinning mechanism at relatively low volume fractions. Performance in reducing the impact force was enhanced as the content of micro-spheres increased, but at the expense of other properties such as specific fracture toughness and specific flexural strength, while specific flexural modulus marginally increased at some high volume fractions of micro-spheres. (C) 2001 Published by Elsevier Science Ltd.
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