Generalized Assessment of Wear Resistance of Polymer Materials for Metal-Polymer Plain Bearings

IF 0.5 4区 工程技术 Q4 ENGINEERING, MECHANICAL
M. Chernets, S. Shil’ko, Yu. Chernets
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Abstract

In order to optimally select antifriction polymer materials (PMs) for metal-polymer plain bearings, the method of system triboanalysis is considered, including model tribotesting of PMs and calculation of generalized wear resistance characteristics depending on specific friction forces. The method is used to assess the wear resistance of several existing PMs (polyamide, polytetrafluoroethylene, polyacetal, polyethylene terephthalate, and polyetheretherketone) and composites based on them. Experimental studies are performed using an end-friction tribometer. The obtained wear resistance characteristics are the basic parameters of a well-known mathematical model describing the kinetics of material wear during sliding friction and an analytical method for calculating metal-polymer plain bearings. The research results are presented in the form of diagrams covering a wide range of specific friction forces, which allows for a visual comparison of antifriction PMs by wear resistance. The friction patterns of PMs in a pair with 45 steel are established, the qualitative and quantitative influence of the filler type on the wear resistance of the specified polymer materials is analyzed. In each group of PMs under consideration, a material with maximum wear resistance in comparison with the base (unfilled) polymer is found.

Abstract Image

金属-聚合物滑动轴承用高分子材料耐磨性的广义评价
为了优选用于金属-聚合物滑动轴承的高分子减摩材料,考虑了系统摩擦分析方法,包括高分子减摩材料的模型摩擦试验和基于特定摩擦力的广义耐磨性计算。该方法用于评估几种现有pm(聚酰胺、聚四氟乙烯、聚缩醛、聚对苯二甲酸乙二醇酯和聚醚醚酮)及其复合材料的耐磨性。实验研究是用端摩擦摩擦计进行的。获得的磨损特性是描述滑动摩擦过程中材料磨损动力学的著名数学模型的基本参数,也是计算金属-聚合物滑动轴承的解析方法。研究结果以图表的形式呈现,涵盖了广泛的特定摩擦力,从而可以通过耐磨性直观地比较减摩pm。建立了45钢复合材料摩擦副的摩擦规律,分析了填料类型对特定高分子材料耐磨性的定性和定量影响。在考虑的每组pm中,都找到了与基础(未填充)聚合物相比具有最大耐磨性的材料。
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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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