| Autor: |
Huang, Yuanchen, Xu, Lei, Kyu Ha, Sung |
| Předmět: |
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| Zdroj: |
Journal of Composite Materials; Sep2012, Vol. 46 Issue 19/20, p2431-2442, 12p |
| Abstrakt: |
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. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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