Investigation on Corrosion–Wear Interaction Behavior of 8Cr4Mo4V-Bearing Steel Under Various Operating Conditions

IF 2.9 3区工程技术 Q2 ENGINEERING, CHEMICAL

Tribology Letters Pub Date : 2024-10-09 DOI:10.1007/s11249-024-01924-7

Chao Zhao, Lixia Ying, Chongyang Nie, Tianlin Zhu, Peng Chen

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Abstract

Coupled corrosion and wear damage in marine atmospheric environment seriously restricts the development of aerospace bearings, the aim of present work is to study the influence of various corrosion and wear conditions on the corrosion–wear interaction behavior of 8Cr4Mo4V-bearing steel. The influence of corrosion on wear and wear on corrosion for 8Cr4Mo4V-bearing steel under five corrosion temperatures, NaCl concentrations, rotational speeds, and normal loads was investigated and discussed, respectively, and the quantitative characterization of corrosion–wear interaction (CWI) effect was established. The corroded steels were prepared using salt spray corrosion, a ball-on-disc friction testing machine was used to obtain the coefficient of friction (COF) of corroded steels under dry wear. The corrosion weight losses, wear mass losses, and worn surface morphologies of corroded steels were characterized. The results show that both synergistic and antagonistic effects existed in CWI of 8Cr4Mo4V-bearing steel due to coupling action of corrosion pits and rust layers, which depends on operating conditions. The corrosion temperature and NaCl concentration directly affect the friction stability and corrosion contribution for tribological process via initial corrosion surface, while rotational speed and normal load influence the wear contribution for corrosion process through surface wear degree. This paper gives an idea for analysis of tribocorrosion properties of bearing steel under various alternating corrosion and wear operating conditions.

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不同工作条件下 8Cr4Mo4V 轴承钢的腐蚀磨损交互行为研究

海洋大气环境中的腐蚀和磨损耦合破坏严重制约着航空轴承的发展，本研究旨在研究各种腐蚀和磨损条件对 8Cr4Mo4V 轴承钢腐蚀-磨损相互作用行为的影响。分别研究和讨论了 8Cr4Mo4V 轴承钢在五种腐蚀温度、NaCl 浓度、转速和正常载荷条件下腐蚀对磨损和磨损对腐蚀的影响，并确定了腐蚀-磨损相互作用（CWI）效应的定量特征。采用盐雾腐蚀法制备了腐蚀钢，并使用盘上球摩擦试验机获得了腐蚀钢在干磨损条件下的摩擦系数（COF）。对腐蚀钢的腐蚀重量损失、磨损质量损失和磨损表面形态进行了表征。结果表明，由于腐蚀坑和锈层的耦合作用，8Cr4Mo4V 钢的 CWI 存在协同效应和拮抗效应，这取决于操作条件。腐蚀温度和氯化钠浓度通过初始腐蚀表面直接影响摩擦稳定性和摩擦过程的腐蚀贡献，而转速和法向载荷则通过表面磨损程度影响腐蚀过程的磨损贡献。本文为分析轴承钢在各种交替腐蚀和磨损工况下的摩擦腐蚀特性提供了一种思路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Tribology Letters 工程技术-工程：化工

CiteScore

5.30

自引率

9.40%

发文量

116

审稿时长

2.5 months

期刊介绍： Tribology Letters is devoted to the development of the science of tribology and its applications, particularly focusing on publishing high-quality papers at the forefront of tribological science and that address the fundamentals of friction, lubrication, wear, or adhesion. The journal facilitates communication and exchange of seminal ideas among thousands of practitioners who are engaged worldwide in the pursuit of tribology-based science and technology.