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Lookup NU author(s): Christopher Aylott, Professor Brian Shaw
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Many studies on martensite decay in roller bearings in conjunction with bearing pitting or spalling have been carried out in the last half century. From these studies, details of changes in retained austenite, martensite microstructure, residual stress, and microhardness have been obtained when roller bearings are subjected to various extents of contact stress. As a result, fairly good understanding on the mechanism of crack initiation for roller bearing pitting or spalling has been established. However, this is not the case for the mechanism of crack initiation in gear micropitting or pitting. Though, a few studies have been started to investigate the possible relationship between martensite decay and the initiation of cracks for micropitting(1-3), the understanding of martensite decay in gears are still far from being completed. This paper will report on the influence of steel and oil properties on the martensite decay in gears under contact stress.
Author(s): Jao T, Guevremont J, Rollin A, Carter R, Aylott C, Shaw B
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Society of Tribologists and Lubrication Engineers: Annual Meeting and Exhibition
Year of Conference: 2008
