Effects of Water Contamination on Micropitting and Rolling Contact Fatigue of Bearing Steels

被引：9

作者：

Qin, H. ^{[1
]}

Doll, G. L. ^{[1
]}

机构：

[1] Univ Akron, Dept Chem Biomol & Corros Engn, Akron, OH 44325 USA

来源：

JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME | 2023年 / 145卷 / 01期

关键词：

rolling element bearings; rolling fatigue; surface fatigue and fretting; surface roughness; and asperities; wear mechanisms; boundary lubrication; elastohydrodynamic lubrication; lubricant degradation; WHITE ETCHING CRACKS; HYDROGEN; OIL; PERFORMANCE; FRICTION; MATTER;

D O I：

10.1115/1.4055181

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this research, the effects of water contamination in oil were investigated on two kinds of failures that occur in bearing steel: micropitting and rolling contact fatigue. Whereas the presence of water in the oil had little effect on the generation of surface wear in these experiments, increases in the occurrences of micropitting and rolling contact fatigue were observed due to the presence of either dissolved or free water in lubricants. Additionally, the presence of white etching matter at crack interfaces was observed and evaluated. The experimental results showed that water content can be considered as a significant factor that accelerates the formation of micropitting and fatigue cracks in rolling bearings.

引用

页数：11

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