Early stages of subsurface crack and WEC formation in 100Cr6 bearing steel under RCF and hydrogen influence
International Journal of Fatigue（2022）
Abstract
•Subsurface transgranular cracks initiated from hydrogen-induced voids.•Both HEDE and HELP mechanisms favor White Etching Area formation.•Subsurface cracks form first and the WEAs develop because of crack face rubbing.•WEC is a result of subsurface transgranular crack formation.
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Key words
White Etching Crack WEC,White Etching Area WEA,Hydrogen embrittlement HE,Rolling Bearing,Rolling Contact Fatigue RCF
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