轴承亚表面白蚀缺陷的检测研究综述  

Research Review on the Detection of Subsurface White Etching Defect in Bearings

作　　者：许多 朱琦 张元军 李玉娟 王文[1] XU Duo;ZHU Qi;ZHANG Yuanjun;LI Yujuan;WANG Wen

机构地区：[1]上海大学机电工程与自动化学院

出　　处：《计量与测试技术》2023年第4期16-21,共6页Metrology & Measurement Technique

基　　金：国家自然科学基金项目(项目编号:11904223);国家重点研发计划资助(项目编号:2018YFB2000300)。

摘　　要：金属亚表面缺陷严重影响着轴承零件的寿命。而位于金属亚表面的白蚀缺陷是轴承早期失效的特征之一,其微观组织的改变和裂纹扩展会造成轴承表面剥落。与轴承经典疲劳失效不同,该现象发生于轴承运行初期,严重影响轴承的使用寿命。由于白蚀缺陷深度浅、尺寸小,且常规检测手段存在局限性,因此,检测分析意义重大,具有一定难度。本文介绍了白蚀缺陷的分类、成因和微观组织,分析比较了各类检测方法的优劣。Metal subsurface defects seriously affect the life of bearing parts.The white etching defect located on the metal subsurface is one of the characteristics of early bearing failure,and the change of microstructure and crack growth will cause the bearing surface spalling.Different from the classical fatigue failure of bearings,this phenome-non occurs in the early running stage of bearings and seriously affects the service life of bearings.Due to the shallow depth,small size and limitations of conventional detection methods,detection and analysis are significant and diffi-cult.This paper introduces the classification,cause and microstructure of white etching defects,analyzes and com-pares the advantages and disadvantages of various detection methods.

关 键 词：轴承 白蚀缺陷 无损检测 亚表面缺陷 

分 类 号：TH133.3[机械工程—机械制造及自动化] TG115.28[金属学及工艺—物理冶金]