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材料研究学报  2008, Vol. 22 Issue (4): 389-393    
  论文 本期目录 | 过刊浏览 |
钛基复合材料中的微区应力分布
原梅妮;杨延清;罗贤;张荣军
西北工业大学材料学院
Effect of fiber fracture and matrix yielding on the distribution of stress in titanium matrix composites
M.N. YUAN
西北工业大学材料学院
引用本文:

原梅妮; 杨延清; 罗贤; 张荣军 . 钛基复合材料中的微区应力分布[J]. 材料研究学报, 2008, 22(4): 389-393.
, , , . Effect of fiber fracture and matrix yielding on the distribution of stress in titanium matrix composites[J]. Chin J Mater Res, 2008, 22(4): 389-393.

全文: PDF(812 KB)  
摘要: 使用三纤维/基体有限元模型研究了纤维失效和基体屈服后钛基复合材料内微区应力分布, 结果表明: 钛基复合材料内纤维失效端面的轴向应力降为0, 承载能力降低, 相邻基体和未失效纤维的承载能力升高;随着纤维体积分数的增大, 失效后应力和失效前应力的比值增大; 当中心纤维断裂时, 纤维体积分数高的复合材料立即失效, 且失效形式为共面失效; 对于纤维体积分数低的复合材料, 基体屈服对纤维与基体之间的载荷传递有重要的影响.
关键词 材料科学基础学科钛基纤维失效    
Key words
收稿日期: 2007-09-07     
ZTFLH:  TB333  
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