Rolling Contact Fatigue-Related Microstructural Alterations in Bearing Steels: A Brief Review

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Abstract

Bearings are vital components that are widely used in modern machinery. Although usually manufactured with high-strength steels, bearings still suffer from rolling contact fatigue where unique microstructural alterations take place beneath the contact surface as a result of the complex stress state. Studying these microstructural alterations is a hot research topic with many efforts in recent decades. In this respect, the key information regarding four major types of microstructural alterations, white etching areas/white etching cracks, dark etching regions, white etching bands and light etching regions is reviewed regarding the phenomenology and formation mechanisms. Then, classical and state-of-the-art models are established to predict their formation and are summarised and evaluated. Based on the current research progress, several key questions and paradoxes for each type of microstructural alteration are raised, suggesting possible research directions in this field.

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Yin, H., Wu, Y., Liu, D., Zhang, P., Zhang, G., & Fu, H. (2022, June 1). Rolling Contact Fatigue-Related Microstructural Alterations in Bearing Steels: A Brief Review. Metals. MDPI. https://doi.org/10.3390/met12060910

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