The interfacial failure due to thermal stress will increase with increasing the range of temperature and the number of cycles.
随着冷热循环温度区间温差的增大、冷端温度的降低、循环次数的增多，形成的热应力对材料的界面损伤越严重；
It was shown that the cumulative plastic strain depended not only on the applied cyclic stress and number of cycles, but also on the initial static deviatoric stress level.
在上海地区典型饱和软粘土不排水循环三轴试验的基础上，分析了影响软粘土塑性累积变形的主要因素：循环荷载的作用次数，初始静偏应力和循环加载动偏应力。
As the stress increases, the expected number of cycles decreases.
当应力增加时，期望的循环数随之减少。
The number of deflection cycles a contact can be expected to experience without breaking depends on the initial stress level.
一个触点期望承受的挠曲而不损坏的循环数取决于初始应力水平。
When the stress cycles are increased to certain value, the fractal dimension decreases with the increasing number of cycles;
当循环次数增加到一定值时，主裂纹的分形维数随着循环次数增加而减小；
The exponential functions were used to reflect the relationship among fatigue stress, number of stress cycles and environmental parameters. The fitting precision of the functions was relatively high.
用指数函数对波浪和海冰作用下平台构件的疲劳应力、应力循环次数和环境参数的关系进行了拟合，拟合精度很好。
Axial effective stress of demarcation points of energy absorption and release increases with the increase number of cycles.
能量吸收与释放分界点对应的轴向有效应力随着循环次数的增大而增大。
The results show that the residual stress of pile is further accumulated in the cyclic loading tests as the number of loading cycles and the level of cyclic loading increase.
结果显示，循环载荷试验加载水平与循环次数的增加会造成残余应力的进一步累积。
Fatigue life (Nf). The total number of stress cycles that will cause a fatigue failure at some specified stress amplitude.
疲劳寿命(Nf)：在某一指定应力幅值下，引起疲劳失效的应力循环总数。
Fatigue life (Nf). The total number of stress cycles that will cause a fatigue failure at some specified stress amplitude.
疲劳寿命(Nf)：在某一指定应力幅值下，引起疲劳失效的应力循环总数。
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