stress fatigue

Study on the Thermal Stress Fatigue of Hot-Work Die Steels With Square Specimen

用方形试样研究热作模具钢的热应力疲劳

Ordinary triangular whorl root stress centralize and influence the fatigue life of the bolt seriously.

普通三角形螺纹根部应力集中较大,严重影响了螺栓的疲劳寿命.

Lifespan of catalysts; In fact, low stress fatigue destruction may also occur.

实践证明活塞杆也可以发生低应力短寿命的疲劳破坏。

The fatigue process could be treated as thermal activated, the activation energy decreased with cyclic loading stress.

合金的疲劳过程可被看作热激活过程，随着循环应力值的增加，激活能不断降低。

Biaxial Thermal Stress Fatigue and Crack Morphology

二维热应力疲劳及裂纹形态

Method Study on Thermal Stress Fatigue Test of Centrifugal Mold Materials for Iron Pipes

离心铸管金属型材料抗热应力疲劳性能测试方法的研究

The bushes and bearing pins of the rubber O ring roller chains were characterized by stress fatigue wear and adhesion wear;

O形圈链条中销轴和套筒的磨损主要以疲劳磨损为主，并伴随着粘着磨损；

Compact, nice looking and humanization design stabilize gravity centre and decrease the fatigue stress when operation.

整体形状设计大方, 美观且人性化,使临床医生操作时重心稳定,减轻疲劳强度.

The experiment and numerical analysis of biaxial thermal stress fatigue under various stress ratio.

研究了不同应力比的二线热应力疲劳试验并进行了数值分析。

Steel-Torsional stress fatigue testing?

钢 - -扭应力疲劳试验?

Equivalent Fatigue Thermal Stress Coefficient of Cement Concrete Pavement

水泥混凝土路面等效疲劳温度应力系数

Combined with the tests, the author uses the damage mechanics theory to study the self-reinforced damage mechanism, reactor life of fatigue damage, and the decay of residual stress under thermal impact action.

从损伤力学理论的角度，结合试验，对反应器的自增强损伤机理、反应器疲劳损伤寿命、热冲击下反应器残余应力的衰减等问题展开研究工作。

Under process of fatigue damage, the phenomenon of stress transference provided an opportunity to repairmicrodamage.

疲劳损伤的应力转移现象,为损伤修复提供了机会.

Because hot work dies suffer from various physical and chemical actions, such as wear, thermal fatigue, erosion, stress corrosion and surface thermal wielding in service, their service life are not long.

热作模具在使用过程中承受着磨损、热疲劳、冲蚀、应力腐蚀、表面热焊合等物理、化学作用，因而其使用寿命较低。

Fatigue and stress quickly result in a dull complexion and a furrowed brow.

疲劳和压力会很快导致肤色暗淡无光、额头出现皱纹。

The residual compressive stress is beneficial to fatigue strength.

表层残余压力对工件的疲劳强度起着有益的作用.