Material Stress and Heat Treatment of Rolling Bearing Steels

IF 0.3 Q4 THERMODYNAMICS HTM-Journal of Heat Treatment and Materials Pub Date : 2022-04-01 DOI:10.1515/htm-2022-1003
O. Beer
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引用次数: 1

Abstract

Abstract A stress analysis for a Hertzian contact of ball on groove is presented. The subsurface stresses, the equivalent stresses and the effect of residual stresses are shown by diagrams. Based on this analysis the requirements for materials applied in rolling element bearings are derived. The basic properties of the bearing steels, the predominantly used materials for rolling element bearing components are described. The influence of the austenitizing temperature, method of quenching and tempering temperature on the material properties is shown on the example of the bearing steel 100CrMnSi6-4. It is demonstrated how the requirements derived by these results can be fulfilled by modern equipment for industrial heat treating. It is also shown, to which extent residual stresses can be induced by different quenching procedures and that bainitic hardening can result in advantages especially for bearing applications.
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滚动轴承钢的材料应力和热处理
摘要给出了球在沟槽上赫兹接触的应力分析。用图表表示了次表面应力、等效应力和残余应力的影响。在此基础上,推导了滚动轴承对材料的要求。介绍了主要用于滚动轴承部件的轴承钢的基本性能。以100CrMnSi6-4轴承钢为例,研究了奥氏体化温度、淬火和回火温度对材料性能的影响。演示了如何通过现代工业热处理设备来满足由这些结果得出的要求。研究还表明,不同的淬火工艺可以在一定程度上引起残余应力,贝氏体硬化可以带来优势,特别是在轴承应用中。
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来源期刊
CiteScore
1.50
自引率
33.30%
发文量
43
期刊最新文献
HTM Praxis Combined CFD and Heat Treatment Simulation of High-Pressure Gas Quenching Process Optimizing the Solution Annealing of Additively Manufactured AlSi10Mg AWT-Info / HTM 05-2023 Contents / Inhalt
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