Quasi-static and Dynamic Compressive Fracture Behavior of SiC_f/SiC Composites

被引：0
|
作者：
高晓菊 [1 ,2 ]
成来飞 [1 ]
YAN Dongming [2 ]
LI Liangjun [1 ]
机构：
[1] Science and Technology on Thermostructural Composite Materials Laboratory, Northwestern Polytechnical University
[2] No Institute of China North Industry
来源：
Journal of Wuhan University of Technology(Materials Science Edition) | 2015年 / 30卷 / 03期
关键词：
D O I：
暂无
中图分类号：
TQ163.4 []; TB33 [复合材料];
学科分类号：
摘要：
To understand the quasi-static and dynamic compressive mechanical behavior of twodimensional SiC fiber-reinforced SiC composites(2D-SiCf/Si C), their compressive behavior at room temperature was investigated at a strain rate from 10-4 to 104 /s, and the fracture surfaces and damage morphology were observed. The results show that the dynamic failure strength of 2D-Si Cf/Si C obeys the Weibull distribution, and the Weibull modulus is 5.66. Meanwhile, 2D-SiCf/SiC presents a transition from brittle to tough with a decrease of strain rate, and 2D-Si Cf/SiC has a more signifi cant strain rate sensitivity compared to the 2D-C/SiC composites. The failure mode of 2D-Si Cf/SiC depends upon the strain rate.
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页码：484 / 488
页数：5
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