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首页> 外文会议>STP 1465; Symposium on Bearing Steel Technology-Advances and State of the Art in Bearing Steel Quality Assurance; 20050517-19; Reno,NV(US) >Continued Developments in Easily Carburizable High Speed Steel Alloys
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Continued Developments in Easily Carburizable High Speed Steel Alloys

机译：易渗碳高速钢合金的持续发展

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摘要

A technical update on how bearing fatigue life in high speed steels (HSS) is enhanced by modifying the carbide distributions and morphologies is presented. A brief review of the laser glazing process as applied to bearings (U.S. Patents 5,861,067 and 5,879,480) will be presented. For wrought M50 steel, this processing resulted in an increase in bearing L_(10)% fatigue life of approximately 10x. The microstructural enhancements created by this processing will be illustrated. How the knowledge gained from the laser glazing process led to the development of the easily carburizable high speed steel alloys (U.S. Patent 6,702,981) will be discussed. Developments made for these alloys since the last bearing steel symposium in 2001 will be presented. The most notable achievement in the development process is a 20x increase in bearing L_(10) % fatigue life for the easily carburizable version of M50 as compared to standard M50 HSS. Other data pertinent to these alloys will be presented.
机译：本文介绍了如何通过更改碳化物的分布和形态来提高高速钢（HSS）的轴承疲劳寿命的技术更新。将简要介绍应用于轴承的激光上光工艺（美国专利5,861,067和5,879,480）。对于锻造的M50钢，此处理可使轴承的L_（10）％疲劳寿命增加大约10倍。将说明此处理过程产生的微观结构增强。将讨论从激光玻璃加工过程中获得的知识如何导致易渗碳的高速钢合金的发展（美国专利6,702,981）。自2001年上届轴承钢研讨会以来，将介绍这些合金的发展。在开发过程中最显着的成就是，与标准M50 HSS相比，易渗碳型M50的轴承L_（10）％疲劳寿命提高了20倍。将介绍与这些合金有关的其他数据。

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