Effect of retained austenite on spalling behavior of carburized AISI 8620 steel under boundary lubrication
International Journal of Fatigue(2019)
摘要
•Spalling is a sub-surface induced rolling contact fatigue failure mode.•Increasing RA and decreasing sub-surface cracks at baseline condition can help to enhance macropitting or spalling life.•Baseline residual stress is less of a factor compared to RA content in impacting macropitting life.
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关键词
Macropitting,Spalling,Retained austenite,Residual stress,Carburizing
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