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低周疲劳
释义
低周疲劳
Encyclopedia
工学
发动机疲劳
释
low-cycle fatigue; LCF
低周疲劳
结构或材料所受的应力水平接近材料的极限强度,断裂前循环次数一般少于104~105次的疲劳。每次循环中塑性变形较大,破坏是塑性变形累积的结果。又称低循环疲劳。
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