Abstract
In this paper, a numerical model which incorporates the oxidation damage model and the finite element model of 2D plain woven composites is presented for simulation of the oxidation behaviors of 2D plain woven C/SiC composite under preloading oxidation atmosphere. The equal proportional reduction method is firstly proposed to calculate the residual moduli and strength of unidirectional C/SiC composite. The multi-scale method is developed to simulate the residual elastic moduli and strength of 2D plain woven C/SiC composite. The multi-scale method is able to accurately predict the residual elastic modulus and strength of the composite. Besides, the simulated residual elastic moduli and strength of 2D plain woven C/SiC composites under preloading oxidation atmosphere show good agreements with experimental results. Furthermore, the preload, oxidation time, temperature and fiber volume fractions of the composite are investigated to show their influences upon the residual elastic modulus and strength of 2D plain woven C/SiC composites.
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Acknowledgements
Supports of this project provided by National Basic Research Program of China, National Natural Science Foundation of China (51675266), Aeronautical Science Foundation of China (2014ZB52024), the Fundamental Research Funds for the Central Universities (NJ20160038, NS2017011), the 2016 graduate innovation base (Laboratory) open fund (kfjj20160203) are gratefully acknowledged.
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Chen, X., Sun, Z., Sun, J. et al. Simulation of Degraded Properties of 2D plain Woven C/SiC Composites under Preloading Oxidation Atmosphere. Appl Compos Mater 24, 1287–1307 (2017). https://doi.org/10.1007/s10443-017-9587-7
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DOI: https://doi.org/10.1007/s10443-017-9587-7