The result shows that the cracking of the gear is fatigue cracking.
结果表明：齿轮的开裂属于疲劳断裂。
In service, fatigue cracking initiated at the plating runout led to lug fracture.
在实际使用中，在镀层的过渡段发生的疲劳裂纹会导致接耳断裂。
Secondly, the paper analyzed the formation mechanism of fatigue cracking in asphalt pavement.
其次，论文分析了沥青路面疲劳开裂的形成机理。
The research on characteristics of pavement fatigue cracking has been a hotspot at home and abroad.
因而研究路面的疲劳开裂特性成为国内外的热点问题之一。
Based on the pavement mechanics models, fatigue cracking theory of fracture mechanics was used to investigate the rule of reflection cracking.
基于选定的路面力学模型，采用断裂力学中的疲劳裂缝扩展理论对路面反射裂缝的扩展规律进行分析。
The fracture and the surface of a hip joint fractured invivo has been studied by SEM. It is concluded that the fracture was due to corrosion fatigue cracking by bending stress.
利用SEM对实际使用时断裂的髋关节的断口和表面进行了分析，认为此关节的断裂为以弯曲应力为主的腐蚀疲劳断裂。
At present, fatigue cracking of pavement has become an important factor influencing the long-term service performance of pavement. It is also a very important problem in pavement design.
目前，路面的疲劳开裂成为影响路面长期使用性能的一个重要因素，也是路面设计中非常重要的一个问题。
As primary stiffness, poor water permeability, reflective cracking of pavement surface layer. Traditional semi-rigid base asphalt pavement are easy to premature fatigue cracking phenomenon.
传统的半刚性基层沥青路面，由于基层刚度大、透水性较差，面层反射裂缝多，路面易过早发生疲劳开裂现象。
There are some factors which influence the characteristics of initiation and propagation of stress corrosion cracking and corrosion fatigue cracking in high-strength steel in a watery environment.
影响高强度钢在水介质中的应力腐蚀和腐蚀疲劳裂缝萌生和扩展特性的因素甚多。
Fatigue cracking is one of main destruction forms of asphalt pavement.
疲劳开裂是沥青路面主要结构破坏形式之一。
Fatigue cracking of a roller is the main failure form due to the alternate bending stress in operation.
滚圈是回转窑最重要的支承部件，运转中弯曲应力造成的疲劳开裂是其主要失效形式。
Fatigue cracking of a roller is the main failure form due to the alternate bending stress in operation.
滚圈是回转窑最重要的支承部件，运转中弯曲应力造成的疲劳开裂是其主要失效形式。
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