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Mixed-mode translaminar fracture of plain-weave composites
Published in
2014
Volume: 60
   
Pages: 21 - 28
Abstract
The present study characterizes translaminar fracture in plain-weave, fabric-reinforced composite under mixed-mode loads. From fractography of the fracture specimen, the effect of mixity on the failure mechanisms and crack paths is established. Finite element analysis is performed using effective elastic properties of the composite material obtained from meso-scopic analysis. The fracture properties are characterized based on modified compliance method assuming quasi-brittle behavior of the composite. Higher mixity is shown to encourage fiber-matrix debonding which while lowers the fracture toughness for initiation of an effective crack, results in significantly higher energy dissipation for continued stable growth of the effective crack. © 2014 Published by Elsevier Ltd.
About the journal
JournalComposites Part B: Engineering
ISSN13598368
Open AccessNo
Concepts (18)
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    COMPLIANCE METHOD
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    EFFECTIVE ELASTIC PROPERTY
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    Fabric-reinforced composites
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    Failure mechanism
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    Fiber-matrix debonding
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    Fracture property
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    FRACTURE SPECIMENS
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    POLYMER MATRIX COMPOSITES (PMCS)
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    Brittleness
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    Cracks
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    Energy dissipation
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    Finite element method
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    Fractography
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    FRACTURE MECHANICS
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    Fracture toughness
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    Polymer matrix composites
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    Weaving
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    Fracture