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Mode I and II interlaminar fracture toughness of nanoclay-reinforced epoxy/GF composites

From National Research Council Canada

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Affiliation
  1. National Research Council of Canada. NRC Industrial Materials Institute
FormatText, Article
ConferenceANTEC 2009, June 22-24, 2009, Chicago, USA
Subjectinterlaminar fracture; fiber reinforced composites; nanoclays (NC); fiber-matrix interfacial strength; nanoclay-reinforced; epoxy/GF
Abstract
Of prime importance in fiber reinforced composites is the interfacial strength between glass fiber reinforcement and matrix. A potential benefit of nanoclays (NC) is to improve the matrix-reinforcement stress transfer due to their positive interactions with glass. Double cantilever beam (DCB) and end-notch flexural (ENF) tests were performed to evaluate the interfacial fracture toughness (Gc) in mode I and II, respectively, of GF composites with a NC/epoxy matrix. Results show no benefit of NC on mode I thoughness while a significant 20%+ improvement on mode II was obtained. Given the non-optimal chemistry of the epoxy/GF laminate used, this result is encouraging.
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  • ANTEC 2009 [Proceedings] (June 2009): 1–5.
LanguageEnglish
Peer reviewedYes
NRC numberNRCC 52322
NPARC number11213135
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Record identifierf87c3b1c-f6d6-4c5b-85e6-9131322c35cf
Record created2009-10-02
Record modified2020-04-16
Date modified: