The result shows that rolling contact fatigue failures caused swap block defects of rail.
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 rolling contact fatigue life was found to be markedly related the subsurface crack propagation Angle.
疲劳寿命与次表面裂纹扩展角之间存在着明显的对应关系。
But the study on the rolling contact fatigue failure mechanism of super hard material coati-ngs is in grope.
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。
Surface defects in ceramic bearing balls may significantly affect ball strength and reduce rolling contact fatigue lifetime.
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。
The rolling contact fatigue life, hardness, residual stresses and the amount of retained austenite of the specimens were measured.
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。
A new explanation of reason why the rolling contact fatigue life can be prolonged by residual compressive stress and retained austenite was advanced.
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。
The macro profile and physicochemical examination of the tread oblique crack shows that the crack falls into the category of rolling contact fatigue type.
踏面斜裂纹及断口的宏观形貌和理化检验与分析表明，踏面斜裂纹伤损属于滚动接触疲劳裂纹伤损类型。
The results show that nitrogen has remarkable influences on rolling contact fatigue life and plain strain fracture toughness, and little influences on wear resistance.
结果表明，含氮量对滚动接触疲劳寿命及平面应变断裂韧性具有很显著的影响，而对耐磨性影响很小。
The rolling contact fatigue performance of ceramic balls with fine compact equal-axis grain and fewer glass phase exceeds that of those with slightness-needle grain and more glass phase.
细小致密的等轴状晶粒、玻璃相少的陶瓷球的滚动接触疲劳性能优于长针状晶粒、玻璃相多的陶瓷球。
Based on the sequent tracking observation on spalling of GCr15 bearing steel under rolling contact fatigue, an expression for estimating the propagation of subsurface cracks was derived.
本文在对轴承钢接触疲劳剥落过程进行连续追踪观测的基础上，推导了次表面裂纹扩展的估算公式。
It may decrease fatigue damage causing by rolling contact and side damage on track and prolong rail service life 0.5 ~ 1 time by means of grinding rail track.
通过对钢轨的修磨可减少由于滚动接触疲劳引起的钢轨损伤，减少钢轨侧面磨损，可延长钢轨的使用寿命0.5 ~1倍。
Main failure modes of automobile water pump bearings are: breakage of shaft, wear and fatigue flaking of rolling contact surfaces.
水泵轴连轴承失效形式主要为：心轴断裂，心轴滚动表面、外圈沟(滚)道表面、滚动体表面的磨损和疲劳剥落及密封失效。
Main failure modes of automobile water pump bearings are: breakage of shaft, wear and fatigue flaking of rolling contact surfaces.
水泵轴连轴承失效形式主要为：心轴断裂，心轴滚动表面、外圈沟(滚)道表面、滚动体表面的磨损和疲劳剥落及密封失效。
应用推荐