Failure analysis for GCr15 steel bearing ring

Chengjun Jiang; Yijun Zou; Wei Wang

doi:10.1117/12.2645592

30 August 2022 Failure analysis for GCr15 steel bearing ring

Chengjun Jiang, Yijun Zou, Wei Wang

Proceedings Volume 12309, International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2022); 1230911 (2022) https://doi.org/10.1117/12.2645592
Event: International Conference on Advanced Manufacturing Technology and Manufacturing System (ICAMTMS 2022), 2022, Shijiazhuang, China

Abstract

The bearing of a large-scale equipment in a chemical plant broke down in the process of operation. The outer ring of the bearing was found cracked after downtime. In this paper, the failure analysis for the cracking cause of the bearing ring is carried out by means of macroscopic inspection, chemical composition analysis, hardness testing and metallographic examination. The results show that the main reason for the cracking failure of the bearing ring is the contact fatigue cracking of the bearing ring under the joint action of contact stress and alternating stress in service.

Citation Download Citation

Chengjun Jiang, Yijun Zou, and Wei Wang "Failure analysis for GCr15 steel bearing ring", Proc. SPIE 12309, International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2022), 1230911 (30 August 2022); https://doi.org/10.1117/12.2645592

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