The damage evolution of 2D-Woven-C/SiC composite under tension loading

摘要：

　　A meso-numerical model is set up to investigate the damage evolution of 2D woven C/SiC based on RVE(representative volume element) because the woven composite has a periodic in-plane structure.Periodic boundary conditions are imposed to the model.Three material models for the fibers,the matrix,and the yarn/matrix interface are considered.Basic damage modes and their evolutions are observed in the simulation.Firstly,the matrix is damaged at the global applied stress around 50Mpa,which agrees well with the tests.The stress/strain relation obtained from the meso-numerical model can represent the behavior of the 2D woven C/SiC under tension loading.Secondly,the void in the matrix plays an important role.The bundle/matrix interface is essential to investigate the interface debonding.

关键词： 2D-C/SiC composites RVE damage mechanisms

作者: Min-ge Duan Fei Xu Zhong-bin Tang

作者单位: School of Aeronautics,Northwestern Polytechnical University,Xi’an,710072,China;State Key Laboratory School of Aeronautics,Northwestern Polytechnical University,Xi’an,710072,China

会议类型: 国际会议

会议名称: 第13届国际断裂大会(ICF2013)

会议地点: 北京

会议语种:英文

页码: 1-9

在线出版日期: 2013-06-16（万方平台首次上网日期，不代表论文的发表时间）