Micromechanics modeling of functinally graded materials containing multiple heteogeneities
- Micromechanics modeling of functinally graded materials containing multiple heteogeneities
- 유재상; 양철민; 정용채
- functionally graded material (FGM); micromechanics; heterogeneity; composites
- Issue Date
- Composites Research
- VOL 26, NO 6, 392-397
- Functionally graded materials graded continuously and discretely, and are modeled using modified Mori- Tanaka and self-consistent methods. The proposed micromechanics model accounts for multi-phase heterogeneity and arbitrary number of layers. The influence of geometries and distinct elastic material properties of each constituent and voids on the effective elastic properties of FGM is investigated. Numerical examples of different functionally graded materials are presented. The predicted elastic properties obtained from the current model agree well with experimental results from the literature.
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