理化检验-物理分册2025，Vol.61Issue(6)：1-5,5.DOI:10.11973/lhjy-wl240133
轴承钢中非金属夹杂物的影响与控制
The influence and control of non-metallic inclusions in bearing steel
摘要
Abstract
The presence of non-metallic inclusions in bearing steel severely shortened the service life of parts.The causes of cracking and steel ball peeling in the inner ring of GCr15 bearing steel were analyzed using macroscopic observation,metallographic examination,hardness testing,scanning electron microscopy and energy spectrum analysis.The influence mechanism of non-metallic inclusions on the mechanical properties and fatigue life of parts was elucidated.The results show that in certain specific cases,non-metallic inclusions in bearing steel could refine grain size and improve the impact performance of the steel.However,in most cases,discontinuous low-strength non-metallic inclusions could damage the performance of the steel,reduce its mechanical properties,and shorten its fatigue life.Non-metallic inclusions in bearing steel could be removed using physical and chemical methods.关键词
轴承钢/非金属夹杂物/力学性能/疲劳寿命/控制方法Key words
baring steel/non-metallic inclusion/mechanical property/fatigue life/control method分类
通用工业技术引用本文复制引用
杨豫博,王姗姗,蒋经轩,曹国金,柏松..轴承钢中非金属夹杂物的影响与控制[J].理化检验-物理分册,2025,61(6):1-5,5.基金项目
2022年高档数控机床主轴用高精密角接触球轴承项目(TC220H05V) （TC220H05V）
