氮化钢的主要接触疲劳破坏形式是剥落。
Spalling was a major form of contact fatigue failures in nitriding steel.
疲劳破坏是焊接结构最重要的失效方式。
Fatigue damage is one of the most important failure modes for welded steel structures.
而交变应力集中是疲劳破坏的一个关键因素。
The concentration of alternate stress is a key factor of fatigue destruction.
疲劳破坏是材料在变形过程中产生的裂纹积累。
Fatigue failure results from accumulation of cracks of deformation pro - cess of material.
疲劳破坏是机械零件和结构的常见的失效形式。
Fatigue failure is a common kind of mechanical parts and structure damage.
抽油杆的疲劳破坏是抽油杆柱的主要失效形式之一。
在建立疲劳破坏准则时，迟滞能量是一个有用的依据。
Hysteresis energy is a useful basis for the establishment of failure criteria in fatigue.
带环是金属带中的核心部件，其主要失效形式是疲劳破坏。
The steel ring is the key component of metal V-belt, its main failure is fatigue rupture.
根据表征指标及疲劳破坏条件确定了样品的尺寸及测试时间。
Specimen size and testing time has been determined according to the characterization parameters and fatigue conditions.
钢结构长期在这种振动的影响下就会导致金属结构疲劳破坏；
It will cause metal structure to fatigue destruction if steel structure is influenced in the vibration for a long time.
这批试件的疲劳破坏形式为：折断破坏、弯拉破坏和剪压破坏。
The fatigue failure types of the beams were fracture failure, bending tensile failure and shear compression failure.
循环续循环模拟计算出裂纹从初始长度一直到疲劳破坏的扩展曲线。
The fatigue crack growth curve from initial crack size till fatigue failure is simulated step by step.
对新研制出的型号进行检测，包括对各部件分别进行疲劳破坏试验。
Authorization tests on models in the development process involves destructive trials that push the components to the limits of their resistance.
根据铆接构件的疲劳破坏特征，建立了铆接钢桥简化断裂分析模型。
According to the fatigue failure character of riveted members, a simplified fracture mechanics model (SFMM) was developed.
分析结果其连接角钢存在较大的疲劳破坏风险，不能通过疲劳检算。
It is shown from the analysis that the steel Angle connectors fail to satisfy the fatigue criteria.
石油钻机绞车刹车鼓在下钻过程中，由于热负荷的作用会发生热疲劳破坏。
The brake rims on drilling rig drawworks are subjected to heat load during string lowering and will end in thermal fatigue failure.
对陶瓷高温疲劳破坏特性进行了研究，并提出高温疲劳评价方法和破坏准则。
The fatigue properties of ceramics at high temperature are studied and evaluating methods and failure criteria for high temperature fatigue are proposed.
为了避免弹簧的疲劳破坏，设计者应对弹簧由振动所引起的动力影响加以考虑。
The dynamic effects due to vibration should be taken into account by the designer if fatigue failure is to be avoided.
使用有限元分析测定的关键部位格林-拉格兰奇应变评价橡胶部件的疲劳破坏参数。
The Green-Lagrange strain at the critical location determined from the finite element analysis was used for evaluating the fatigue damage parameter of the rubber components.
疲劳破坏是机械结构的主要破坏形式之一，准确预测机械结构工作疲劳寿命至关重要。
The fatigue breakage is one important of damage style in mechanic fractures. Forecasting structure fatigue life is very important.
针对不同的疲劳破坏形式，分析了产生不同破坏形式的原因，提出了界限配筋率的概念。
Aimed at the different fatigue failure types of the beams, the failure causes are analyzed. A concept of critical reinforcement ratio is offered.
对于那些长期经受交变载荷作用的机械零件和工程构件，疲劳破坏是一种主要的破坏模式。
Fatigue damage is the main destroy mode for the machinery parts and engineering structures under alternate loading over a long period of time.
轮带发生剥落掉块的原因主要是表面接触疲劳破坏，处理剥落掉块的方法主要是现场焊接。
The main reason for tyre peeling consists in fatigue failure during surface contacting, and the remedial measure to tyre peeling consists mainly in welding on site.
为解决第3代206kp型转向架定位臂在运用中的疲劳破坏问题，提出了2种改进方案。
Two improvement schemes are put forward to solve the problem of fatigue damage in operation of the positioning arms for the 3 ~ (rd) generation 206kp bogies.
疲劳破坏是路面结构损伤的主要现象，路面材料的抗疲劳性能直接关系到路面的使用寿命。
The fatigue is the main damage appearance in road surface structure. The character of re-fatigue of road surface material directly relate to it's service life.
石油钻柱的失效80 %以上都为疲劳破坏，这与钻柱在弯曲和扭转组合下的交变应力有关。
The fatigue rupture made up 80 percent of the total petroleum drillstring failures, which is related to the flexural-torsional alternate stress acted on drillstring.
通过疲劳断口的电镜扫描试验，证明防爆膜的疲劳破坏是由存在于金属内部的微裂纹和杂质所引起。
The photographs of the sweep electron microscope show that fatigue damage are caused mainly by microcracks and impurities of metal.
间接承受吊车荷载的厂房钢柱，一般不考虑疲劳问题，但是在一些车间的钢柱上却出现了疲劳破坏。
The fatigue of steel columns indirectly subjected to crane loading is generally not taken into account. But fatigue failure occurred at the column cap in some workshops.
因此有必要通过实验及理论研究等工作，对公路桥梁伸缩装置进行疲劳破坏机理分析和疲劳寿命估算。
Therefore, it is necessary to analyze the mechanism of the fatigue damage of bridge expansion device and estimate its fatigue life by theories and experiment.
疲劳破坏是模具失效的主要形式，为了提高模具的使用寿命，综述了提高模具材料疲劳抗力的多种途径。
The fatigue break down is the main form of die failure. To improve the use life of dies, an approach for increasing fatigue resistance of die material is reviewed.
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