In this paper, the high cycle fatigue problems are studied by means of the method of damage mechanics.
本文用损伤力学研究金属高周疲劳问题。
It has been shown that the high cycle and the low cycle fatigue strength can be obviously improved by shot peening.
结果指出，喷丸引起表面形变层内的上述变化，能够有效地提高粉末合金高温下的高周和低周疲劳性能。
The fretting fatigue life under complex loads monotonously decreases with the increase of the high cycle load while the low cycle loads keep constant.
复合载荷下，低周幅值不变，增加高周载荷的幅值，微动疲劳寿命随幅值比的增加而降低。
The high cycle rate of the valves, and the abrasive nature of the quartz powder require an abrasion resistant valve that will last.
由于阀门使用的高频率，以及石英粉末的研磨特性，都要求耐磨性很高的阀门才经受得起。
From the standpoint of coupling of non-steady flow with elastic blade vibration, studied was the forced response of blades, which is of major significance for the high-cycle fatigue of blades.
从非定常流动和弹性叶片振动相耦合的角度来研究叶片的强迫响应，对于叶片的高周疲劳具有重要意义。
From the standpoint of coupling of non-steady flow with elastic blade vibration, studied was the forced response of blades, which is of major significance for the high-cycle fatigue of blades.
从非定常流动和弹性叶片振动相耦合的角度来研究叶片的强迫响应，对于叶片的高周疲劳具有重要意义。
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