中国标准化Issue(17)：214-218,5.DOI:10.3969/j.issn.1002-5944.2025.17.034
电机用轴承材料不同生产环节碳化物的定量表征和分析
Quantitative Characterization and Analysis of Carbides at Different Production Stages of Motor Bearing Materials
于海宝 1柏钦成 1崔永凤 1解婷婷 1郭中堂2
作者信息
- 1. 淄博市检验检测计量研究总院
- 2. 淄博市交通集团有限公司
- 折叠
摘要
Abstract
Bearings are widely used in modern industry,and their performance largely depends on the morphology and distribution of their carbides.This paper tests and characterizes the variation patterns of carbides in GCr15 bearing steel in different production processes.In the hot-rolled state,the reticular carbides are distributed intermittently along the austenite grain boundaries,with an average width of 0.28 μm and an area fraction of approximately 4.8%.After spheroidizing annealing,the reticular carbides melt and fuse to form spherical carbides,and the lamellar cementites in pearlite also undergo spheroidization and form spherical carbides.The average particle size of these spherical carbides is 0.42 μm and their volume fraction is approximately 14.5%.By controlling the hot rolling temperature and cooling rate,the formation of reticular carbides can be reduced.By spheroidizing annealing,reticular carbides can be transformed into spherical carbides,improving the performance of bearing steel.关键词
轴承钢/热轧/球化退火/碳化物Key words
bearing steel/hot rolling/spheroidizing annealing/carbides引用本文复制引用
于海宝,柏钦成,崔永凤,解婷婷,郭中堂..电机用轴承材料不同生产环节碳化物的定量表征和分析[J].中国标准化,2025,(17):214-218,5.
