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Recent advances in wheel-rail RCF and wear testing
Friction ( IF 6.8 ) Pub Date : 2023-05-29 , DOI: 10.1007/s40544-022-0705-7
Sundar Shrestha, Maksym Spiryagin, Esteban Bernal, Qing Wu, Colin Cole

The wear and rolling contact fatigue (RCF) testing approaches for wheels and rails have been reviewed and evaluated in this study. The study points out the advantages and limitations of the existing approaches. The broad analysis revealed that scaled laboratory-based wear testing is widely applied. However, it is necessary to predetermine the input parameters and observing parameters for scaled wear testing for three reasons: first, to emulate the real-world scenarios as closely as possible; second, to postprocess the results received from the scaled testing and transfer them into real practice at full scale; third, to present the results in a legible/appropriate format. Therefore, most of the important parameters required for wear testing have been discussed with fundamental and systematic explanations provided. Additionally, the transition of the parameters from the real-world into the test domain is explained. This study also elaborates on the challenges of the RCF and wear testing processes and concludes by providing major considerations toward successful testing.



中文翻译:

轮轨 RCF 和磨损测试的最新进展

本研究对车轮和钢轨的磨损和滚动接触疲劳 (RCF) 测试方法进行了回顾和评估。研究指出了现有方法的优点和局限性。广泛的分析表明,基于实验室的大规模磨损测试得到了广泛应用。然而,有必要预先确定比例磨损测试的输入参数和观察参数,原因有三个:第一,尽可能地模拟现实世界的场景;其次,对规模测试的结果进行后处理,并将其全面转化为实际应用;第三,以清晰/适当的格式呈现结果。因此,我们讨论了磨损测试所需的大多数重要参数,并提供了基本和系统的解释。此外,解释了参数从现实世界到测试域的转变。这项研究还详细阐述了 RCF 和磨损测试过程的挑战,并最后提供了成功测试的主要考虑因素。

更新日期:2023-05-29
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