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- Rolling Contact Fatigue of Rails: What Remains to be Done? 钢轨滚动接触疲劳的进一步研究?
- Of gear foot and contact fatigue strength of gear profile. 齿根弯曲疲劳强度,齿面接触疲劳强度。
- Rolling Contact Fatigue of Rail Steel 钢轨钢的滚动接触疲劳
- An Investigation of Rail Rolling Contact Fatigue 钢轨滚动接触疲劳研究
- Welded rail tunnels used mobile CWR rail contact welding method for China's domestic initiative. 隧道内焊轨采用移动式无缝线路钢轨接触焊施工方法，为中国国内首创。
- According to the coupling relation of wheel rail contact,a direct method is proposed to evaluate wheel derailment based on the wheel rail contact point. 根据轮轨空间动态耦合关系,提出了一种根据轮轨接触点位置进行脱轨评定的直接方法,可用于对机车车辆动力学安全性分析评价。
- The failure forms of cold work roll including contact fatigue crack, spalling, inclusion crack and wear are discussed. 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 paper analysed contact fatigue performances of vacuum degasification steel and common electric steel. 试验并分析了真空脱气钢和普通电炉钢的接触疲劳性能。
- 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。
- Results showed that contact fatigue property of carburized gear samples was better than that of nitrided gear samples. 试验结果表明，渗碳处理试样接触疲劳性能优于调质氮化的试样。
- Design of data measurement and control system was introduced for bearing balls rolling contact fatigue(RCF) life test rig. 介绍了疲劳试验机数据测量系统和控制系统的设计,主要阐述了数据采集方法和控制过程。
- 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 damage of fretting scar edge was caused by adhesive wear,and the center part of fretting scar was damaged by abrasive wear and contact fatigue. 结果表明:在试验条件下,微动区边缘的损伤特征以粘着磨损为主,而微动区中部则以磨粒磨损和接触疲劳为主。
- The effects of direct-quenching heat-treatment through gas carburizing on the spot contact fatigue life of crosspiece and bowl was mainly studied. 采用气体渗碳直接淬火热处理工艺对力车轴档、轴碗进行接触疲劳寿命的影响试验。
- When the viscosity surpasses a certain marginal value,gearing contact fatigue life decreases with an increment of viscosity. 通过热弹流润滑数值计算,分析了润滑油粘度对齿轮接触疲劳寿命的影响。
- Algorithm for Wheel Rail Contact Geometry 一种轮轨接触几何算法
- Repeated impact tests on samples of laser cladding is done and microcosmic analysis to the appearance and mechanism of repeated impact contact fatigue damnification is mode. 进行了激光熔覆试件的多冲碰撞试验,并对多冲碰撞接触疲劳损伤的表象和机理进行了微观分析。
- A rolling contact theory is a base of the study on the performances of wheel/rail (W/R), such as rolling contact fatigue, corrugation, W/R noise and derailment. 轮轨蠕滑理论的研究不仅为车辆动力学、轨道动力学的数值仿真提供了轮轨力计算模型，而且是轮轨关系研究的基础。
- The dissertation applies the design method and theory of modern mechanical system to design the new rolling contact fatigue tester for superhard coated materials. 本文应用现代机械系统的设计方法和设计理念,研制了超硬涂层材料滚动接触疲劳试验装置。
- It's cheaper to ship goods by road than by rail. 公路运输比铁路运输便宜。
