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The aim of this investigation was to study the formation of white etching layer (WEL) induced by rolling contact fatigue (RCF) in a bearing steel. Through sectioning a failed bearing, the microstructure of the WEL was investigated using optical microscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and micro indentation test. The result showed that the WEL is harder...
The paper investigated the composition and the formation mechanism of white etching areas (WEAs) generated in rolling contact fatigue (RCF) of a bearing steel using scanning electron microscopy (SEM) transmission electron microscopy (TEM). It is generally accepted that WEA consists of nano ferrites. However, the current study revealed that nano ferrite is not the final product of the WEA. Instead,...
The purpose of this investigation was to study microstructural evolution leading to the formation of wear debris and white etching areas (WEA) in the subsurface of AISI 52100 steel during rolling contact fatigue (RCF). The specimens were tested using a roller-on-roller geometry testing machine. Surface damage was characterized using scanning electron microscopy (SEM) and transmission electron microscopy...
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