进行了接触疲劳、轴承寿命试验。
The experiments on contact fatigue and bearing life have been conducted.
磨损机理主要是磨粒磨损和接触疲劳。
And, wear mechanism were mainly abrasive wear and contact fatigue wear.
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.
进行了齿轮的接触应力及接触疲劳寿命有限元分析。
Gear's contact stress and contact fatigue life was calculated by finite element method (FEM).
同时，对该合金优良的接触疲劳抗力的来源进行了探讨。
The mechanism of the good contact fatigue resistance of the alloy was investigated.
该试验机可用于评定各种材料轴承用球的滚动接触疲劳性能。
The tester may be used to evaluate contact fatigue performances of balls made of various materials.
接触疲劳试验机在运行过程中，对外界环境的干扰十分敏感。
Contact fatigue tester is very sensitive to the environment when it runs.
测定了试样的接触疲劳寿命、硬度、残余应力和残余奥氏体量。
The rolling contact fatigue life, hardness, residual stresses and the amount of retained austenite of the specimens were measured.
结果表明，掉块缺陷的形成是由于钢轨滚动接触疲劳伤损所致。
The result shows that rolling contact fatigue failures caused swap block defects of rail.
利用接触疲劳磨损理论讨论激光熔覆试样的疲劳磨损寿命问题。
This paper discusses wear life of laser cladding samples with the aid of the theory of contact fatigue wear.
陶瓷轴承球的表面缺陷会严重降低球的强度和滚动接触疲劳寿命。
Surface defects in ceramic bearing balls may significantly affect ball strength and reduce rolling contact fatigue lifetime.
接触疲劳失效系指轴承工作表面受到交变应力的作用而产生失效。
Bearing contact fatigue failure of the working surface by means of alternating the role of stress arising from failure.
证明了用静应力场分析动载下接触疲劳裂纹形成与扩展的可靠性；
Static stress field can be reliably applied to analyse initiation and extension of contact fatigue cracks under motive load.
在本试验条件下，接触疲劳失效的主要形式为深层剥落和浅层剥落。
Under the condition of our experiments, the main forms of contact fatigue failure are deep-spalling and shallow - spalling.
数值计算结果表明：齿轮传动的接触疲劳寿命与齿轮转速戚息相关。
The numerical results show that the gear contact fatigue life is connected with gear rotational velocity.
所以，探讨齿轮转速对齿轮传动接触疲劳寿命影响是必要且可行的。
Therefore, it is necessary and feasible to explore the effect of gear rotational speed on the gear contact fatigue life.
作者就赫兹应力和旋转弯曲应力联合作用下的接触疲劳进行实验研究。
Experiments of contact fatigue under the action of combined stresses-Hertsian stress and rotating bending stress were carried out.
通过实验对比，这种新工艺方法可以显著地提高涂层的接触疲劳寿命。
Through experimental comparison, the new process method can significantly improve the contact fatigue life of the coating layer.
讨论了冷轧工作辊接触疲劳裂纹、剥落、夹杂物裂纹和磨损等失效形式。
The failure forms of cold work roll including contact fatigue crack, spalling, inclusion crack and wear are discussed.
利用赫兹应力理论推导出摆线槽的接触疲劳应力并绘出其应力变化曲线。
The contact stresses of the cycloid groove are analyzed by Hertz stress theory, and the stress variety curves are drawn.
但是目前对于超硬涂层材料滚动接触疲劳失效机理的研究还处于探索之中。
But the study on the rolling contact fatigue failure mechanism of super hard material coati-ngs is in grope.
并对残余压应力和残余奥氏体可以提高接触疲劳寿命的原因提出了新的解释。
A new explanation of reason why the rolling contact fatigue life can be prolonged by residual compressive stress and retained austenite was advanced.
结果表明，失效形貌呈典型的接触疲劳特征，两种疲劳裂纹形成模式同时存在。
The results showed that failure morphology was of typical contact fatigue characteristics, and two modes of fatigue crack formation worked.
利用自制的球-棒疲劳试验机，研究了纳米金刚石粉对钢球接触疲劳寿命的影响。
Effects of nano diamond particles on contact fatigue life of steel ball were evaluated on a self-made ball-rod contact fatigue tester.
喷丸过程和随后的接触疲劳滚压过程同属在赫兹应力作用下的循环弹塑性应变过程。
Both shot peening and contact rolling belong to the cyclic elastic-plastic deformation process under the action of Hertz stress.
在滚动接触疲劳试验时循环载荷的作用下，界面处的石墨相当于孔洞引起应力集中。
Graphite plays a role as pores in the interface and increases the stress concentration under cyclic loading.
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.
通过试验研究了不同碳、铬含量对不锈轴承钢的显微组织、碳化物、硬度和接触疲劳寿命的影响。
This research studies the effect of different carbon and chrome content on the microstructure, carbides, hardness and contact fatigue life of the stainless bearing steel.
作者将四球机改装成接触疲劳试验机，并在其上进行了一系列添加剂对接触疲劳的影响试验研究。
Authors reequiped a Four - ball Tester as for contact fatigue tester and carried out a series of tests to study the effect of additives on 45 steel contact fatigue.
作者将四球机改装成接触疲劳试验机，并在其上进行了一系列添加剂对接触疲劳的影响试验研究。
Authors reequiped a Four - ball Tester as for contact fatigue tester and carried out a series of tests to study the effect of additives on 45 steel contact fatigue.
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