Hanwei Fu, Pedro E. J. Rivera-D´ ıaz-del-Castillo
A processing-microstructure-performance approach is followed to study three bearing steel samples manufactured from the most frequently used continuous casting routes. The inclusion microstructures of the samples were altered by varying the metallurgy and hot working conditions. Inclusion size distribution information is obtained, showing the steel-making route that results in the highest cleanliness. 3D analysis of inclusion morphologies using electrolytic extraction indicates the irregularities on the surface to be favourable sites for crack nucleation under rolling contact fatigue (RCF). Flat-washer and ball-on-rod tests were conducted to study the rolling contact fatigue life of the steels, with the results from the flat-washer testing method being more representative for bearing life. This research suggests that early fatigue of bearings is governed by silicate fragmentation and late fatigue by titanium nitride inclusions.
@article{f0dcccb2-2b28-4b84-bcd2-e7dcb24a4cf2,
title={040 The relationship between 100Cr6 steelmaking inclusion microstructure and rolling contact fatigue performance},
author={Hanwei Fu and Pedro E. J. Rivera-D´ ıaz-del-Castillo},
year={2026},
language={en}
}TY - JOUR TI - 040 The relationship between 100Cr6 steelmaking inclusion microstructure and rolling contact fatigue performance AU - Hanwei Fu AU - Pedro E. J. Rivera-D´ ıaz-del-Castillo PY - 2026 LA - en ER -
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