在试验台上再现铁路运营的滚动接触疲劳相关载荷条件

IF 1.6 Q4 MATERIALS SCIENCE, COATINGS & FILMS
G. Trummer, S. Scheriau, P. Dietmaier, K. Six
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引用次数: 2

摘要

摘要:为了开发改善滚动接触疲劳和磨损性能的钢轨材料,首先要了解和了解铁路运行中的载荷条件。基于加载条件,可以预测裂纹萌生。这是通过对所谓的楔形模型的轮轨接触条件的局部分析来完成的。该模型考虑了钢轨表面附近一层的塑性剪切变形情况。分析了特定铁路运营场景和试验台实验的结果,以演示如何比较这些不同的场景。这项工作有助于理解试验台结果对现场行为的可转移性。图形抽象
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Reproducing rolling contact fatigue relevant loading conditions of railway operation on a test rig
ABSTRACT For the development of rail materials with improved properties regarding rolling contact fatigue and wear, it is at first important to know and understand the loading conditions in railway operation. Based on the loading conditions, crack initiation can be predicted. This has been done by a local analysis of the wheel/rail contact conditions with the so-called wedge model. This model takes the plastic shear deformation condition in a layer near the rail surface into account. Results for a specific railway operation scenario and test rig experiments are analysed to demonstrate how such different scenarios can be compared. The work contributes to the understanding of the transferability of test rig results to the behaviour in the field. GRAPHICAL ABSTRACT
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来源期刊
Tribology - Materials, Surfaces & Interfaces
Tribology - Materials, Surfaces & Interfaces MATERIALS SCIENCE, COATINGS & FILMS-
CiteScore
2.80
自引率
0.00%
发文量
15
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