Tribotechnical Characteristics of Anti-Friction Material Based on Silver with Added Molybdenum Disulphide

IF 0.5 4区工程技术 Q4 ENGINEERING, MECHANICAL

Journal of Friction and Wear Pub Date : 2025-02-25 DOI:10.3103/S1068366624700454

V. B. Balyakin, A. A. Filippov, D. E. Dolgikh

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Abstract

The evaluation of the determination of the friction coefficients and the wear intensity of an anti-friction material based on silver with the addition of molybdenum disulfide is given. The results of studies of the friction coefficients in the contacting pair are presented: SHX-15 steel and antifriction material based on silver with the addition of molybdenum disulfide. The average value of the coefficient of friction at a run of 1200 m, in a pair, a ball made of SHX-15 steel and a ring with a cover made of an antifriction material containing 94% silver and 6% molybdenum disulfide is 0.128 with a standard deviation of 0.006. At a run of 15 000 m, the average coefficient of friction was 0.129 with a standard deviation of 0.01. For a friction pair of an anti-friction material containing 94% silver and 6% molybdenum disulfide and SHX-15 steel, the coefficient of wear intensity of the antifriction surface at a contact voltage of 330 MPa is I = 0.86 × 10^–6 mm³/m, and for a counterbody in the form of a steel ball, I_b = 2.85 × 10^–8 mm³/m. Since the wear rate of the ball is two orders of magnitude lower than the wear rate of the friction material, the wear of the ball can be ignored in resource calculations. The obtained dependence of the coefficient of wear intensity on the maximum contact stresses will allow us to develop a calculation method for wear spherical articulated bearings.

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添加二硫化钼的银基减摩材料的摩擦学特性

给出了添加二硫化钼对银基减摩材料的摩擦系数和磨损强度测定的评价。介绍了接触副摩擦系数的研究结果：SHX-15钢和添加二硫化钼的银基减摩材料。用SHX-15钢制成的球和用含94%银和6%二硫化钼的减摩材料制成的环对，在运行1200 m时的摩擦系数平均值为0.128，标准差为0.006。在15 000 m的运行中，平均摩擦系数为0.129，标准差为0.01。含94%银、6%二硫化钼的减摩材料与SHX-15钢的摩擦副，接触电压为330 MPa时，减摩面磨损强度系数为I = 0.86 × 10-6 mm3/m，钢球形式的摩擦副磨损强度系数为Ib = 2.85 × 10-8 mm3/m。由于球的磨损率比摩擦材料的磨损率低两个数量级，因此在资源计算中可以忽略球的磨损。所获得的磨损强度系数对最大接触应力的依赖关系将使我们能够开发一种磨损球面铰接轴承的计算方法。

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

Journal of Friction and Wear ENGINEERING, MECHANICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

1.50

自引率

28.60%

发文量

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.