Plastic deformation and microstructure evolution of bearing ring blank during cold rolling process

S. Deng, L. Hua
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Abstract

Bearing ring blanks of the high-speed rail bearings, machine tool spindle bearings and wind power bearings have been manufactured through the ring rolling technology. Yet, the plastic deformation and microstructure evolution of bearing ring blanks during the cold rolling process remains unclear. In this work, the deformation and damage evaluation of bearing ring blanks made of GCr15 bearing steel are characterised by the electron backscatter diffraction (EBSD) technique. Furthermore, their microstructure changes in cold rolling are investigated through band contrast images, and their texture evolutions after various deformation ratios are analysed by the technique of 3D-Euler space distribution. This work provides valuable guidelines for enhanced understanding the role of the cold rolling technology on the microstructure evolution of bearing ring blanks.
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轴承套圈毛坯冷轧过程的塑性变形及组织演变
高速铁路轴承、机床主轴轴承和风力发电轴承的轴承套圈毛坯都是通过套圈轧制技术制造的。然而,轴承套圈毛坯在冷轧过程中的塑性变形和微观组织演变尚不清楚。本文采用电子背散射衍射(EBSD)技术对GCr15轴承钢轴承套圈毛坯的变形和损伤评估进行了表征。此外,通过带衬图像研究了它们在冷轧过程中的微观结构变化,并利用三维欧拉空间分布技术分析了它们在不同变形率下的织构演变。这项工作为进一步理解冷轧技术在轴承套圈毛坯微观结构演变中的作用提供了有价值的指导。
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来源期刊
CiteScore
1.20
自引率
0.00%
发文量
3
期刊介绍: IJCMSSE is a refereed international journal that aims to provide a blend of theoretical and applied study of computational materials science and surface engineering. The scope of IJCMSSE original scientific papers that describe computer methods of modelling, simulation, and prediction for designing materials and structures at all length scales. The Editors-in-Chief of IJCMSSE encourage the submission of fundamental and interdisciplinary contributions on materials science and engineering, surface engineering and computational methods of modelling, simulation, and prediction. Papers published in IJCMSSE involve the solution of current problems, in which it is necessary to apply computational materials science and surface engineering methods for solving relevant engineering problems.
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