surface fatigue的例句大全

The experimental results proved that ( 1) there is an additional cyclic strain hardening effect caused by non-proportional loading, and ( 2) the relative orientation between maximum shear plane and free surface plays significant role on fatigue life.

非比例加载引起的附加循环硬化；（2）最大剪切平面与自由表面相对取向对疲劳寿命的影响；

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The Effect of Surface Deformation on Fatigue Strength of Constructional Mid-Carbon Alloy Steel and Strengthening Mechanism

表面变形对中碳合金结构钢疲劳强度的影响及强化机理

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A new technique by computer has been used to trace fatigue growth of surface crack of out corner of cylindrical pressure vessel nozzles by using the methods of 1/ 4 displacement and finite element.

运用1/4点位移法和有限元技术对圆筒型容器接管外拐角表面裂纹扩展时应力强度因子的变化作了计算机数值跟踪。

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The development of the surface crack in the fatigue failure of a large-scale tubular K-joint specimen has been measured using alternating current potential drop ( ACPD) technique.

用交流电势能落差法（ACPD）测量了一个大型K节点在疲劳破坏过程中表面裂纹增长和破坏过程。

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Surface electromyography for evaluating the upper limb fatigue of ping pong athletes

应用表面肌电图评定乒乓球运动员的上肢肌疲劳

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The low cycle fatigue property of surface quenching grade C steel is higher than that of normalization grade C steel and quenching and high temperature tempering grade C steel.

表面淬火C级钢比调质C级钢和正火C级钢的低周疲劳性能高，在应变量较大时，调质C级钢和正火C级钢低周疲劳寿命较高；

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The fatigue fracture surface of test specimens shows hybrid-fracture characteristics of quasi-cleavage and dimple.

合金中添加Ce后,疲劳裂纹扩展区出现疲劳条纹,疲劳断口呈现出准解理和韧窝断裂的混合特征.

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The fatigue strength can be remarkably increased after rolling, the reason is that there are the high residual compressive stresses in the surface stories; except that, the homogenizing of the microscopic stresses in the tempered martensite is an important factor.

对低温回火试样，滚压可显著地提高其疲劳强度，其原因除表层有较高的残余压应力外，滚压使表层回火马氏体内的微观应力均匀化也是一个重要因素。

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Analysis of Fatigue Life of Thick-Wall Cylinder with Inner Surface Crack Subjected to High Pressure

具有内表面裂纹高压厚壁圆管的疲劳寿命分析

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The shape of three-dimensional surface cracks in fatigue

三维表面裂纹扩展过程中的形状变化

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This kind of periodic hot and cold alternation and deformed tension lead to mechanical fatigue and cause tiny crack on the surface of roll shell.

这种周而复始的冷热交替以及在变形应力作用下，引起辊套表面机械疲劳而导致微裂纹产生。

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Study on the Surface Treatment Process of H 13 Type Hot Work Steel and Its Subsequent Thermal Fatigue and Erosion Behaviors

热作模具钢（H13型）表面处理及其热疲劳、热熔损性能研究

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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。

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