Abstract
Abstract Nowadays, textile composites are most popularly used in various fields of application due to their attractive transverse properties over unidirectional composites. Therefore, the development of thermo-mechanical model at high-temperature application is an essential step for design and manufacturing of textile composite structures. In this study, the thermo-mechanical behavior of 5-harness woven carbon/carbon (C/C) composites at high-temperature range are investigated by multiscale modelling techniques using 3D finite element analysis. Two-step multiscale modelling approach are used to predict the effective elastic and coefficient of thermal expansion (CTE) of the 5-harness satin C/C woven fabric composites (WFCs). Micro-scale model predicts the effective elastic and CTEs of the tow/yarns with an initial fiber and matrix properties from the manufactures. In the meso-scale analysis, the output properties of yarn along with matrix property are used in the meso-scale RVE analysis to predict the effective elastic and CTE of the 5-harness C/C composites at high temperature ranges from 300 K to 2500 K, and the effect on temperature on thermo-mechanical properties are discussed.
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