Investigation on rolling contact fatigue of 55 medium-carbon steel

Qingshan Li; Zengjun Guo; Ning Chu; Bomei Shi; Baoxiang Qiu; Guoping Ling

doi:10.1117/12.2634906

25 April 2022 Investigation on rolling contact fatigue of 55 medium-carbon steel

Qingshan Li, Zengjun Guo, Ning Chu, Bomei Shi, Baoxiang Qiu, Guoping Ling

Proceedings Volume 12244, 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022); 122441P (2022) https://doi.org/10.1117/12.2634906
Event: 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022), 2022, Guilin, China

Abstract

Rolling contact fatigue characteristics of 55 medium-carbon steel provided by two different steel mills have been investigated. The results indicate that the rated contact fatigue life (L10) of steel A is higher than that of steel B. All samples show typical contact fatigue characteristics with spalling, delamination, pitting and debris. Moreover, all samples show specific fatigue propagation characteristics which is consistent with the rolling direction of the steel ball. The frequency of the inclusions B, D and Ds in steel B is significantly higher than that in steel A, which have great influence on the contact fatigue life.

Citation Download Citation

Qingshan Li, Zengjun Guo, Ning Chu, Bomei Shi, Baoxiang Qiu, and Guoping Ling "Investigation on rolling contact fatigue of 55 medium-carbon steel", Proc. SPIE 12244, 2nd International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2022), 122441P (25 April 2022); https://doi.org/10.1117/12.2634906

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