Stress transfer around a broken fiber in unidirectional fiber-reinforced composites considering matrix damage evolution and interface slipping |
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| Authors: | YANG Zhong ZHANG BoMing ZHAO Lin & SUN XinYang Center for Composite Materials Harbin Institute of Technology Harbin China School of Materials Science Engineering Beihang University Beijing |
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| Institution: | YANG Zhong1,ZHANG BoMing1,2,ZHAO Lin1 & SUN XinYang1 1 Center for Composite Materials,Harbin Institute of Technology,Harbin 150001,China,2 School of Materials Science and Engineering,Beihang University,Beijing 100191 |
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| Abstract: | A shear-lag model is applied to study the stress transfer around a broken fiber within unidirectional fiber-reinforced composites(FRC) subjected to uniaxial tensile loading along the fiber direction.The matrix damage and interfacial debonding,which are the main failure modes,are considered in the model.The maximum stress criterion with the linear damage evolution theory is used for the matrix.The slipping friction stress is considered in the interfacial debonding region using Coulomb friction theory,in whic... |
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| Keywords: | stress transfer shear-lag damage evolution fiber composite |
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