| 机械失效模式、原因和机理的诊断思路和主要依据 |
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| 引用本文： | 钟群鹏,宋光雄,张峥,骆红云.机械失效模式、原因和机理的诊断思路和主要依据[J].北京航空航天大学学报,2004,30(10):913-918. |
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| 作者姓名： | 钟群鹏 宋光雄 张峥 骆红云 |
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| 作者单位： | 北京航空航天大学 材料科学与工程学院 北京 100083 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | 从断口、裂纹、痕迹和参数等4个方面阐述了机械失效模式、原因和机理诊断的主要依据,列出了机械使用失效的主要模式、原因和失效的主要形成条件和主要的诊断思路,并从单项分析和综合分析的角度给出了失效模式、原因和机理诊断所需要的"多维"信息系统,为分析和确认各种失效模式、原因和机理提供了主要的推理规则和基本方法;最后分析比较了各种二级疲劳失效模式和各种与应力腐蚀有关的失效模式之间的主要诊断依据和应注意的几个问题,为疑难二级失效模式的诊断问题提供了分析研究方向.
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| 关 键 词： | 失效分析 失效判据 机械失效模式 |
| 文章编号： | 1001-5965(2004)10-0913-06 |
| 收稿时间： | 2004-04-28 |
| 修稿时间： | 2004年4月28日 |
Diagnosis methods and criterions for mechanical failure modes, causes and mechanisms |
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| Zhong Qunpeng,Song Guangxiong,Zhang Zheng,Luo Hon.Diagnosis methods and criterions for mechanical failure modes, causes and mechanisms[J].Journal of Beijing University of Aeronautics and Astronautics,2004,30(10):913-918. |
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| Authors: | Zhong Qunpeng Song Guangxiong Zhang Zheng Luo Hon |
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| Institution: | School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
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| Abstract: | Mechanical failure modes, causes and mechanisms were described, based on four kinds of failure information including fracture, cracking, related failure marks and certain parameters. Mechanical failure modes, causes, main causing conditions and identifying principles were summarized and listed, "multi phase" information system was provided with single phase analysis and synthetic analysis, which provide reasoning rules and principal methods for mechanical failure analysis. Main criterions for discriminating fatigue failure mode, stress corrosion cracking(SCC) and relevant failure modes were also concerned, which offer signposts for recognizing 2nd level failure modes. |
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| Keywords: | failure analysis failure criterin mechanical failure mode |
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