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1)  fatigue stress amplitude
疲劳应力变幅
1.
Study of fractographic retroestimation of fatigue stress amplitude;
疲劳应力变幅的断口反推研究
2)  allowable stress range of fatigue
疲劳容许应力幅
3)  variable amplitude fatigue
变幅疲劳
1.
Several problems on extralow cycle variable amplitude fatigue stress bar breakingoff design are discussed, based on fracture design fundamental of crack technology and experimental study.
从裂纹技术的断裂设计原理出发,在实验研究的基础上,对超低周变幅疲劳应力断裂的几个设计问题进行了探讨。
2.
Based on fatigue test of grid structure with welded hollow spherical joints, the paper carries out the test on variable amplitude fatigue behavior of grid structure with welded hollow spherical joints and works out the following conclusions:1、A highly efficient,stable, reliable test loading device has been designed and commendably completed the variable amplitude fatigue test of all the specimens.
本文以网架结构焊接空心球节点为疲劳试验对象,进行了焊接空心球节点的变幅疲劳试验,并得到了以下结论:1、设计了一套高效、平稳、数据可靠的试验加载装置,通过此装置较好的完成了试件的变幅疲劳试验工作。
4)  fatigue alternating stress
疲劳交变应力
5)  constant-amplitude test
等幅应力疲劳试验
6)  strain fatigue
应变疲劳
1.
Influence of strain fatigue on J_(IC)-ductile fracture toughness of 20G steel;
应变疲劳对20G钢材延性断裂韧度J_(IC)的影响
2.
Influence of strain fatigue on J_(IC)—the ductile fracture toughness of steels;
应变疲劳对钢材延性断裂韧度J_(IC)的影响
3.
Study on strain fatigue behavior of magnesium alloy AZ91;
AZ91镁合金的应变疲劳行为研究
补充资料:极限疲劳应力
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性质:当疲劳寿命曲线变得与lgN轴基本平行时相应的周期性应力振幅(N表示周期次数)。由于疲劳试验无法长时间无限制地进行下去,一般当周期次数N达到107时,材料仍未发生破坏,此时对应的周期性应力振幅上限值称极限疲劳应力,又称条件极限疲劳应力。

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