Prediction and experimental verification of mechanical properties of composite materials based on failure theories

doi:10.19936/j.cnki.2096-8000.20230928.006

Abstract

Abstract: Aiming at the research of mechanical strength prediction methods of fiber reinforced composite material, the mechanical properties such as maximum load, maximum displacement, elastic strength, modulus and other mechanical properties were obtained by the method of actual test and simulation analysis through the HyperWorks and ABAQUS with Tsai-Wu tensor theory and Hashin failure criterion. By comparing the simulation results with the test results, it is found that the accuracy of prediction based on Tsai-Wu tensor theory is significantly lower than that based on Hashin, which indicates that Tsai-Wu tensor theory is more suitable for checking the working condition safety performance, and Hashin failure criterion is more suitable for the actual ultimate strength prediction. At the same time, the established simulation model is in good agreement with the experimental results, which indicates that the prediction model has good rationality.

Key words: fiber reinforced composite material, CAE, failure analysis, failure criteria

CLC Number:

TB332

XIA Wanying, LI Zhihu, QIN Yulin, ZHANG Ning, YAN Luping. Prediction and experimental verification of mechanical properties of composite materials based on failure theories[J]. COMPOSITES SCIENCE AND ENGINEERING, 2023, 0(9): 42-47.

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