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Investigation on the Thermal Conductivity of 3-Dimensional and 4-Directional Braided Composites
Authors:Liu Zhenguo  Zhang Haiguo  Lu Zixing  Li Diansen
Institution:Institute of Solid Mechanics, Beijing University of Aeronautics and Astronautics, Beijing, 100083, China
Abstract:It is vital to choose a factual and reasonable micro-structural model of braided composites for improving the calculating precision of thermal property of 3-D braided composites by finite element method (FEM). On the basis of new microstructure model of braided composites proposed recently, the model of FEM calculation for thermal conductivity of 3-dimennsional and 4-directional braided composites is set up in this paper. The curves of coefficient of effective thermal conductivity versus fiber volume ratio and interior braiding angle are obtained. Furthermore, comparing the results of FEM with the available experimental data, the reasonability and veracity of calculation are confirmed at the same time.
Keywords:3-dimennsional and 4-directional  braided composites  thermal conductivity  FEM  Braided Composites  Thermal Conductivity  time  comparing  results  available  experimental data  curves  coefficient  effective thermal conductivity  fiber  volume  ratio  interior  braiding  angle  calculation  paper  basis  microstructure
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