Failure analysis of fiber-reinforced composite laminates subjected to biaxial loads

Hsuan Teh Hu, Wen Pin Lin, Fang Tai Tu

研究成果: Article同行評審

25 引文 斯高帕斯(Scopus)

摘要

A nonlinear constitutive model for a single lamina is proposed for the failure analysis of composite laminates. In the material model, both fiber and matrix are assumed to behave as elastic-plastic and the in-plane shear is assumed to behave nonlinearly with a variable shear parameter. The damage onset for individual lamina is detected by a mixed failure criterion, composed of the Tsai-Wu criterion and the maximum stress criterion. After damage takes place within the lamina, the fiber and in-plane shear are assumed to exhibit brittle behavior, and the matrix is assumed to exhibit degrading behavior. The proposed nonlinear constitutive model is tested against experimental data and good agreement is obtained. Then, numerical analyses are carried out to study the failure behavior of symmetric angle-ply composite laminates and symmetric cross-ply composite laminates subjected to biaxial loads. Finally, the conclusions obtained from the numerical analysis are given.

原文English
頁(從 - 到)153-165
頁數13
期刊Composites Part B: Engineering
83
DOIs
出版狀態Published - 2015 十二月 15

All Science Journal Classification (ASJC) codes

  • 陶瓷和複合材料
  • 材料力學
  • 機械工業
  • 工業與製造工程

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