Numerical Simulation of Initial Damage in a Transverse Ply of CFRP Laminates

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  • CFRP積層板の横方向層における初期損傷に関する数値シミュレーション
  • CFRP セキソウバン ノ ヨコホウコウソウ ニ オケル ショキ ソンショウ ニ カンスル スウチ シミュレーション

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This paper reviews the numerical simulation of initial damage in a transverse ply of CFRP laminates. Especially, we recently studied the effect of fiber arrangement on transverse tensile failure in unidirectional CFRP with a strong fiber-matrix interface using a unit-cell model that includes a continuum damage mechanics model. The simulated results indicated that tensile strength is lower when neighboring fibers are arrayed parallel to the loading direction than with other fiber arrangements. A shear band occurs between neighboring fibers, and the damage in the matrix propagates around the shear band when the interfacial normal stress (INS) is sufficiently high. This work is briefly introduced with the other literatures.

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  • Materials System

    Materials System 30 (0), 5-10, 2012

    Materials System Research Laboratory, Kanazawa Institute of Technology

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