The method has considered the effect of difference in material hardness on the fatigue limit, which causes the shaft diameter design to become different depending on heat treatment difference.
该方法考虑了材料硬度对疲劳极限的影响，使半轴杆径设计随热处理方法不同而有所差异。
Bending fatigue limit stress is still short of reliable data for gear of domestic material in gear design mostly used are the data offered from ISO6336.
在齿轮设计中，国产材料齿轮的弯曲疲劳极限应力仍然缺乏可靠的试验数据，大多是沿用ISO 6336提供的数据。
The fatigue limit and fatigue performance parameters of material were obtained by empirical formula. The fatigue life elementary evaluation of solar cell module was finished.
采用经验公式获得材料的疲劳极限和疲劳性能参数，完成了太阳电池组件疲劳寿命的初步评估。
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