Fatigue strength and failure mechanisms are presented. A survey of mechanical and biomechanical component fatigue failures is given.
将介绍疲劳强度及失效机制。并提出一个对于机械及生物机械元件疲劳失效的研究。
The upper structure vibration of bridge caused by the vehicles driving force may lead the structural component fatigue or reduction of the strength and stability.
车辆动力作用引起桥梁上部结构的振动可能使结构构件产生疲劳，降低其强度和稳定性；
These methods were applied to testing and modelling of the electrohydraulic loading control system of a component fatigue testing machine, and the results obtained were satisfactory.
应用这些方法对构件疲劳试验机电液力控制系统进行测试和建模，取得了满意的结果。
The biggest problem aircraft engineers face is that the fatigue cycles a component faces are cumulative.
飞机工程师面临的最大的一个难题就是飞机零部件承受的周期性疲劳是越来越强的。
The specimen and corresponding fixture have been designed, and the fatigue experiment of composite component with bolted joint has been carried out.
设计了试验件和相应的夹具，开展了复合材料层合板螺栓连接结构的部件疲劳实验。
Corrosion pitting also can lead to fatigue crack initiation depending on the component, the location of pitting, and cyclic loading conditions.
腐蚀斑点还会因不同的部件、斑点的位置和循环载荷状况，导致一些不同的疲劳裂纹。
If the failure is defined as the final fracture of a component, then both S-N curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.
如果都把一个构件的最终断裂作为疲劳破坏的定义，则S - N曲线和裂纹扩展率曲线均是反映金属在疲劳载荷作用下的基本材料特性。
The steel ring is the key component of metal V-belt, its main failure is fatigue rupture.
带环是金属带中的核心部件，其主要失效形式是疲劳破坏。
Tensile and fatigue tests showed that this detector can effectively detect Che stress concentration of ferromagnetic component.
拉伸和疲劳循环试验说明了所研制的仪器能有效地检测构件的应力集中。
The fatigue function test is the one that to examine resist burst function on the change force. It's basis engineering component design which the fatigue limit by test.
疲劳性能试验检验材料在交变载荷作用下抵抗破断能力的一种试验，其试验的疲劳极限作为工程构件的设计依据。
Through analysis and calculation of the fatigue strength condition of component parts this paper discovers the erratam and analyses the reason.
通过对广泛应用于机械设计中的非对称循环下构件疲劳强度条件的分析，提出了存在的问题。
This method can be applied to designing sample components for fatigue test as well as to forecasting various fatigue life of component from stress fatigue to strain fatigue.
该方法不仅可用于构件从应力疲劳到应变疲劳的各类疲劳寿命预测，还可用于构件的疲劳试验模拟件设计。
Using the side frame of the Z8A bogie as an example, this paper introduces the process of fatigue life analysis of a component based on the finite elements technology.
以转8a型转向架侧架为例，介绍了有限元技术应用于构件疲劳寿命分析的过程。
To establish and verify the failure mode, trouble reappearing and low -cycle fatigue tests are conducted on component test rigs.
为确定与验证锥齿轮故障模式，在试验器上进行故障再现试验及低周疲劳试验。
Counting the number of cycles is the common method of estimating the life of fatigue of a component.
应用局部应力应变法估算构件疲劳寿命时，通常要采用循环计数法。
Residual strength model is a proper methodology to describe the dynamic fatigue behavior of mechanical component.
剩余强度模型在描述试件的动态疲劳行为方面是一种比较切合实际的方法。
The situation of crack growth for a real component, rubber pad used in turck, during fatigue testing were explained.
并用有限元分析结果解释了一个实际产品——卡车用橡胶垫在疲劳实验过程中裂纹扩展的情况。
Fatigue failure of metal structural component is a common form of structure collapse, so improving fatigue behavior of metal materials is very important for their usage.
金属构件的疲劳失效是一种常见的结构破坏形式，改善金属材料的疲劳性能对其使用性能的提高有重要意义。
Stress concentration is one of the important factors that cause fatigue undermine of the component and joints.
应力集中是构件及节点发生疲劳破坏的重要因素之一。
Surface strengthening technology can notably improve material fatigue performance and are widely used in aero component manufacturing.
表面强化技术可以显著提高材料的疲劳性能，广泛应用于航空零部件的加工制造。
The simulation torsion load can be used to make up torsion fatigue load spectrum for test and estimate the fatigue life of component parts of truck transmission system.
计算载荷可以用来编制货车传动系统扭转疲劳试验载荷谱、估计零部件的疲劳寿命。
When fatigue life following lognormal distribution, fatigue life scatter factor (LSF) methods are constructed to evaluate component reliability with very small samples.
在假设产品寿命服从对数正态分布情况下，提出了用分散系数法评估极小子样产品的可靠性。
When fatigue life following lognormal distribution, fatigue life scatter factor (LSF) methods are constructed to evaluate component reliability with very small samples.
在假设产品寿命服从对数正态分布情况下，提出了用分散系数法评估极小子样产品的可靠性。
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