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- Ji, Wooseok
- Composite Materials and Structures Lab.
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Modeling of randomly distributed coated fibers in a ceramic matrix composite
- Author(s)
- Kim, Hye-gyu, Ji, Wooseok
- Issued Date
- 2018-01-11
- Citation
- AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2018
- Abstract
- A numerical model is developed to create a periodic unit cell (PUC) for a randomly distributed coated fibers in a ceramic matrix composite (CMC). Virtual force dispersion algorithm is applied to construct PUCs that have a realistic fiber pattern. Finite element analysis (FEA) is performed on the PUCs with several distinct microstructural features based on the microscopic observation of a CMC specimen. FEA results show that the global stress-strain response of the CMC material is greatly influenced by the fiber distribution pattern and the fracture behavior is dominantly affected by the coatings.
- Publisher
- AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2018
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