Prediction of three-dimensional composite laminate response using micromechanics of failure
- Authors
- Huang, Yuanchen; Xu, Lei; Ha, Sung Kyu
- Issue Date
- Sep-2012
- Publisher
- SAGE PUBLICATIONS LTD
- Keywords
- Micromechanics of failure; nonlinear; strength; progressive damage; three-dimensional loading
- Citation
- Journal of Composite Materials, v.46, no.19-20, pp.2431 - 2442
- Indexed
- SCIE
SCOPUS
- Journal Title
- Journal of Composite Materials
- Volume
- 46
- Number
- 19-20
- Start Page
- 2431
- End Page
- 2442
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/27481
- DOI
- 10.1177/0021998312449888
- ISSN
- 0021-9983
- Abstract
- A three-dimensional micromechanics of failure model was developed and applied in order to predict triaxial failure envelopes and stress-strain curves for 12 test cases in the Second World-Wide Failure Exercise (WWFE-II), which involves five continuous fiber-matrix laminates and multi-axial loadings, including those in through-thickness direction. The micromechanics of failure is based on micromechanical unit cell models, which characterize the microstructure of composites, and consists of independent constituent failure criteria and a progressive damage model for the matrix. Nonlinear ply behavior in the matrix-dominant directions was successfully simulated. Thermal stresses were also considered. Results of prediction were presented together with an explanation of the phenomena.
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