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。
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。
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。
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。
In frequent bending stress condition, fatigue cracking occurred due to the cracking source had been initiated in welding heat affected zone.
在承受频繁的弯曲应力作用后，在其焊接热影响区萌生了裂纹源进而发生疲劳开裂。
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。
It is suggested that intergranular fatigue cracking strongly depends on the interaction mode of PSBs with GBs, while the GB structure itself plays a much less role.
沿晶界疲劳开裂与否与驻留滑移带和晶界的交互作用方式密切相关，而与晶界结构本身无关。
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。
Through-thickness cracking also can lead to fatigue or stress corrosion cracking of the base metal beneath the plating.
还会形成穿透型裂纹，造成镀层下本体金属的疲劳或应力腐蚀裂纹。
The stresses produced by continual movement, and even intense noise, cause fatigue, the cracking and breaking that occurs in metals under constant flexure.
持续的运动甚至是强烈的噪音产生的应力会导致疲劳、不断弯曲的金属出现的裂缝和破损。
Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing same, and combination of piston ring and cylinder block.
有提高的抗擦伤性、抗裂性和抗疲劳性的活塞环，和它的生产方法，以及活塞环和气缸体的组合。
Stress concentrations can lead to initiation of cracking by fatigue, stress corrosion, or hydrogen-assisted stress corrosion.
应力集中可能会导致疲劳、应力腐蚀或氢基应力腐蚀而产生裂纹。
Die breakage or cracking is due to mechanical fatigue and occurs in cases where the dies are overloaded and local stresses are high.
模具破裂或产生裂纹是由于机械疲劳，并且是在模具过载和局部应力高等情况下发生的。
Unlike the traditional idea that the failure of brake hub is mainly caused by abrasion, it is discovered that the main failure mechanism is the cracking caused by temperature different fatigue.
本发明改变了一直认为刹车毂失效的主要方式是磨损的传统观念，发现了其失效主要方式是冷热疲劳引起的开裂。
The defects of the traditional bridge deck pavement of poor heat stability, easy cracking and poor fatigue resistance and water resistance.
克服了传统桥面铺装后，热稳定性差，易开裂，抗疲劳、抗水性差等缺陷。
It is one of surface strengthening technology which is used to improve the resistance of fatigue fracture and stress corrosion cracking of metalic parts and components.
它是用来改善金属零构件疲劳和应力腐蚀断裂抗力的一种表面强化工艺。
It is one of surface strengthening technology which is used to improve the resistance of fatigue fracture and stress corrosion cracking of metalic parts and components.
它是用来改善金属零构件疲劳和应力腐蚀断裂抗力的一种表面强化工艺。
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