Failure Simulation Analysis of Carbon Fiber Reinforced Polymer Laminate with a Hole in Axial Tension Process

doi:10.12068/j.issn.1005-3026.2021.01.014

Abstract

Abstract: The progressive failure model of the composite laminate with a hole in the axial tension process was set up based on ABAQUS. The matrix tension failure， the matrix compression failure， the fiber tension failure and the fiber compression failure were considered by selecting two-dimensional Hashin as the damage criterion. The load condition and the failure mode were discussed， and the effects of the ply angle and the size of the center hole on the ultimate load were analyzed. The results showed that the dominant failure modes are matrix tension failure and the fiber tension failure， and the fibers are the strength source of the composite laminate. When the load direction does not agree with the fiber direction， the mechanical performance of the composite laminate degenerates. The mechanical performance of the composite laminate becomes worse as the center hole becomes larger， and is linear with the size of the center hole.

Key words: composite laminate; axial tension; Hashin criterion; gradual damage; ply angle; hole size

CLC Number:

TQ342
TB332

ZHANG Hua-wei， WU Jia-lu. Failure Simulation Analysis of Carbon Fiber Reinforced Polymer Laminate with a Hole in Axial Tension Process[J]. Journal of Northeastern University(Natural Science), 2021, 42(1): 91-95.

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