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- W2358208880 abstract "Based upon the microphotographs of the needled ceramic matrix composites(CMCs),appropriate representative volume elements(RVE) were selected to establish a single-cell model for predicting the elastic properties of needled ceramic matrix composites.The effect of porosities on the elastic properties of matrix and fiber bundles was considered,and the elastic constants of fiber bundles were calculated by mixed rate,then elastic constants of fiber bundles and matrix were taken into the single-cell model.The elastic properties of needled ceramic matrix composites were calculated by the finite element method(FEM) at last.At the same time,the tests for tensile strength and determination of porosities were carried.Through the experiment,the materials’ open porosity of 7.33% and closed-cell porosity of 10.67% were acquired.Numerical results of the elastic properties obtained by the proposed method agree well with the experimental results,and the error is 3.1%." @default.
- W2358208880 created "2016-06-24" @default.
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- W2358208880 date "2013-01-01" @default.
- W2358208880 modified "2023-09-28" @default.
- W2358208880 title "Calculation of needled C/SiC composite elastic parameters in consideration of the porosity" @default.
- W2358208880 hasPublicationYear "2013" @default.
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