含表面活性剂添加剂的半液体润滑剂的摩擦学特性

IF 0.5 4区 工程技术 Q4 ENGINEERING, MECHANICAL Journal of Friction and Wear Pub Date : 2024-01-30 DOI:10.3103/S1068366623050094
M. G. Shalygin, I. A. Buyanovsky, V. D. Samusenko, A. P. Vashchishina
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引用次数: 0

摘要

摘要 使用 KT-2 试油机测试了添加添加剂的半液体润滑剂(Lb)的性能;评估了其稳定性及其对 "轮缘-轨道 "摩擦副的影响。分析以机车轮缘的实验室磨损测试为基础。对添加添加剂的润滑油进行的调查表明,它们的胶体稳定性较低,添加磺化合物和磷添加剂后,润滑油的释放量最高。添加添加剂的润滑剂的热稳定性表明,在大约 220°C 的温度下,润滑剂会完全熔化并变成液态。在 KT-2 试油机上对含有对苯二酚添加剂的润滑剂进行摩擦学测试后,设备表面形成了白色晶体。获得了所研究的添加添加剂的润滑剂的摩擦系数与试验温度的关系。机车轮缘表面的 X 射线荧光分析表明,在台架试验前后,样品表层中铬和锰的浓度发生了变化,这可能表明形成了稳定的转移层,具有良好的摩擦学特性。通过经验系数可以确定所研究添加剂对机车轮缘的磨损率。
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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Tribological Properties of a Semi-Liquid Lubricant with Surfactant Additives

The properties of a semi-liquid lubricant (Lb) with additives were tested using a KT-2 oil testing machine; its stability and influence on the ‘wheel flange—rail’ friction pair was assessed. The analysis is based on laboratory wear tests of locomotive wheel flanges. Investigation of lubricants with additives showed their low colloidal stability, the highest oil release being observed with the addition of sulfo compounds and phospho additives. The thermal stability of lubricants with additives shows that at approximately 220°C the lubricants melt completely and turn into a liquid state. After conducting tribological tests on a KT-2 oil testing machine of a lubricant with a hydroquinone additive, white crystals formed on the surface of the facility. The dependence of the friction coefficient on the test temperature of the studied lubricant with additives was obtained. X-ray fluorescence analysis of the locomotive wheel flange surface showed a change in the concentration of chromium and manganese in the surface layer of the sample before and after bench tests, which may indicate the formation of a stable transfer layer providing good tribological properties. Empirical coefficients were obtained to determine the wear rate of the locomotive wheel flange for the studied additives.

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来源期刊
Journal of Friction and Wear
Journal of Friction and Wear ENGINEERING, MECHANICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
1.50
自引率
28.60%
发文量
21
审稿时长
6-12 weeks
期刊介绍: Journal of Friction and Wear is intended to bring together researchers and practitioners working in tribology. It provides novel information on science, practice, and technology of lubrication, wear prevention, and friction control. Papers cover tribological problems of physics, chemistry, materials science, and mechanical engineering, discussing issues from a fundamental or technological point of view.
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