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金属基复合材料蠕变性能的研究现状和展望 被引量:2

Research and Development of Creep of Metal Matrix Composites
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摘要 综述了国内外金属基复合材料的抗高温蠕变性能的研究进展。重点分析了蠕变理论研究中的3种理论模型的特点,指出理论研究的核心问题是位错越过第二相的机制以及门槛应力的来源。详述了目前蠕变实验研究的各种实验方法与特点。讨论了利用计算机有限元分析来进行蠕变研究的优点。针对目前我国金属基复合材料的抗高温蠕变性能的研究方法提出了一些看法和展望。 Research development on high temperature creep of metal matrix composites at home and abroad are summarized. The three theoretical models of the creep theory studies are focused on analyzing, and the core issue of theoretical studies is a mechanism of the dislocation over the second phase and the threshold stress sources. Characte- ristics of various experimental methods of the current creep experimental studies are recounted. Advantages of the computer finite element analysis in creep studies are discussed. The research trends and development on high temperature creep of metal matrix composites in China are presented.
出处 《材料导报》 EI CAS CSCD 北大核心 2010年第5期119-123,共5页 Materials Reports
基金 东莞市高等院校科技计划项目(2008108101028) 广东省金属新材料成型制备重点实验室开放基金资助项目(2008001)
关键词 金属基复合材料 位错 门槛应力 蠕变 metal matrix composites, dislocation, threshold stress, creep
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参考文献27

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