期刊文献+

共因失效强度与服役时间的关系

Relationship between CCF Intensity and Operating Time
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摘要 从载荷-强度干涉关系出发,详细分析了"共因失效"这种机械系统中普遍存在的失效相关性与系统服役时间之间的关系,及其在系统全寿命周期内的变化.载荷随机性对于强度随机性的相对大小直接影响系统共因失效强度.因此,对一般系统而言,随着服役时间的增加,系统中各零件的强度(剩余强度分布)将发生明显变化,因而共因失效强度也将随之改变.本文在载荷平稳性假设条件下,通过对强度分布的三种变化模式(分散性恒定、分散性逐渐增大、分散性逐渐减小)的系统可靠性的计算分析与比较,展示了共因失效强度随时间变化的典型规律.
出处 《材料工程》 EI CAS CSCD 北大核心 2003年第z1期259-261,共3页 Journal of Materials Engineering
基金 本项研究由高等学校博士学科点专项基金和国家自然科学基金(项目号:50275025)资助.
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参考文献8

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