In the test, it is verified that the random cyclic constitutive relations, like the wide recognized random cyclic strain-life relations, is an intrinsic fatigue phenomenon of engineering materials.
试验验证了以前在焊缝金属试验中的发现与推断，即工程材料的循环本构存在随机性，与循环应变-寿命关系的随机性一样，是固有的疲劳现象。
To model the random cyclic strain life relations during low cycle fatigue, probability based cyclic strain life curves are suggested.
引入了概率循环应变—寿命曲线描述低周疲劳循环应变—寿命试验数据的分散性。
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