cyclic stress

The effect of cyclic loading makes the plastic zone hardening ( or softening), which raises the stress level in Dislocation-Free Zone ( DFZ) and the value of-integral, and may lead to fracture.

循环载荷使得裂纹尖端的塑性区循环硬化/软化，这使无位错区的应力和裂纹尖端区域的J积分的值升高，从而有可能导致开裂。

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The surface fatigue is induced by cyclic stress.

循环变化的接触应力产生的表面疲劳磨损机理。

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Study on Cyclic Stress Strain Relation Under Tension Torsion Complex Loading

拉扭复合加载下循环应力应变关系的研究

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It was found that tension residual stress is key factor for crack growth under cyclic compression.

结果表明,裂尖区域在循环压缩载荷作用下的残余拉伸应力是导致裂纹扩展的重要因素.

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It is justified that the maximum cyclic shear effect plane of the specimens in triaxial liquefaction test and-simple shea'r liquefaction test and of soil elements under general plane strain condition can only be determined by static stress components and is undependent on cyclic stress.

对于三轴液化试验、简切液化试验的受力条件和平面应变状态下土单元的受力条件，证明了最大往返剪切作用面的位置只由静力有效应力分量来确定而与往返应力无关。

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( b) The cyclic strain could be divided into two parts, that is, a irreversible accumulated strain and a reversible strain. The magnitude of the there was approximately a linear relation between the reversible strain and the amplitude of the cyclic stress.

循环应变可分成不可逆的累积应变与可逆应变两部分，可逆应变的大小与循环应力幅值近似成线性关系；

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Study on Cyclic Stress Relaxation Mechanism of Elastic Material

弹性材料动态应力松弛机理的研究

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Whether the cyclic J integral Δ J can be used as a driving force for fatigue crack growth when the stress intensity factor Δ K is not applicable, this problem has been studied in this paper.

对循环J积分ΔJ可否作为应力强度因子幅ΔK不再适用的场合的裂纹扩展驱动力进行了研究。

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Experimental study on shearing deformation behavior of saturated clay under cyclic stress

循环应力下饱和黏土剪切变形特性试验研究

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Experimental investigation on the cyclic stress ─ strain characteristics of 0.35% carbon steel

35钢循环应力应变特性的实验研究

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In cyanobacteria and higher plants, NDH complex reduces PQ in the light and is involved in the cyclic electron flow around PSI ( CEF1), supplying extra ATP for photosynthesis and enhancing the fitness to environment, particularly under environmental stress conditions.

在蓝藻和高等植物中，NAD（P）H脱氢酶复合体在光下还原PQ并参与围绕PSI的环式电子传递，在逆境条件下为光合作用提供额外的ATP，进而增强植物对逆境环境的适应能力。

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The results show that low cycle fatigue life is reduced and cyclic stress is raised by torsional prestrain raising.

结果表明，扭转预应变降低低周疲劳寿命，循环应力随扭转预应变的增大而增大。

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Probability-based cyclic stress-strain curves and estimation method

概率循环应力&应变曲线及其估计方法

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Relationship of cyclic stress-strain and damage for low-cycle fatigue

低周循环应力&应变关系和损伤

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In the constant load and live load under the action of shear pin, and the circumferential weld will withstand high amplitude of cyclic stress, the strength and fatigue problem should cause height to take seriously.

在恒载和活载的作用下，剪力销以及其周边焊缝将承受幅值较高的应力循环，其强度和疲劳问题应引起高度重视。

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