Homogenization of residual stress in the raceway of cold rolled M50 bearing ring via electromagnetic shocking treatment

Author:

Qian Dongsheng,Liu Wei,Wang FengORCID,Liu Xiaoyu,Sun Qian

Abstract

Abstract The uneven residual stress caused by cold rolling on the raceway seriously affect the distortion and performance of bearing rings. Here, a novel strategy of electromagnetic shocking treatment (EST) was proposed to regulate the distribution of residual stress in the raceway of cold rolled M50 bearing ring. The results indicate that the distribution of residual stress and local micro-strain along the raceway of the cold rolled ring become more homogenized after EST, leading to the homogenization of hardness along the whole cross section. In addition, attributed to the ‘targeted’ regulation effect of EST without joule heat effect, the distribution of small angle grain boundaries and the texture also become uniform along the raceway.

Funder

Hubei Key Research and Development Project

111 Project

Fundamental Research Funds for the Central Universities

Key R&D Program of China

Publisher

IOP Publishing

Subject

Metals and Alloys,Polymers and Plastics,Surfaces, Coatings and Films,Biomaterials,Electronic, Optical and Magnetic Materials

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