Abstract
Resistance to plastic indentation was measured on a series of 52100 bearing steel samples representing a wide range of heat treatments. The samples were subsequently analyzed for austenite content by an X-ray diffraction method. Within a limited hardness range definite positive correlation was found between austenite content and indentation sensitivity. This correlation was seen to improve further when austenitizing temperature was fixed, indicating that at a fixed hardness level, factors other than austenite content also influence the plastic indentation resistance of rolling element bearing steels.
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