Elastic-Dissipative Properties of Heavy-Loaded Modified Friction Pairs

IF 0.5 4区工程技术 Q4 ENGINEERING, MECHANICAL Journal of Friction and Wear Pub Date : 2023-06-22 DOI:10.3103/S1068366623010026

S. L. Chernyshov, V. I. Kolesnikov, V. D. Vereskun, I. V. Kolesnikov, D. S. Manturov, A. L. Ozyabkin

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Abstract—

Attempts to solve interrelated tasks by specifying materials for coatings and developing a methodology for monitoring the friction unit operation have been tried previously. The importance and originality of this study is that it examines the distribution of elements in the CrAlSiN coating, as well as their comparative physical, mechanical, and tribological properties. Besides, we have found that surface modification with a coating of the CrAlSiN system increases the strength and resistance to plastic deformation, which ensures high-quality deposition of thin vacuum ion-plasma coatings and leads to an increase in wear resistance. To control friction units with such coatings, it was decided to develop a monitoring technology using a dimensionless damping coefficient of friction-mechanical bonds in sub-octave band frequency ranges of forced vibrations. It makes it possible to identify natural vibration frequencies, which manifest the properties of the coatings and modifiers used for friction or anti-friction purposes. Our findings should make a significant contribution to tribology. Alongside observations of variations in the elastic-dissipative and inertial properties of the interaction between contact surfaces, the analysis of the generalized dynamic criteria on heavily loaded friction units that operate in the boundary lubrication mode allowed determining adhesion stability of contact friction bodies for friction subsystems. Furthermore, we have defined the effectiveness of lubricants, transition to boundary friction, and non-lubricated friction for antifriction subsystems. The use of the technologies developed by the authors for heavy-loaded tribosystems makes it possible to increase the wear resistance, reliability, and safety of operation of railway and air transport.

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重载修正摩擦副的弹耗散特性

摘要:以前已经尝试过通过指定涂层材料和开发监测摩擦单元操作的方法来解决相关任务。这项研究的重要性和独创性在于它研究了CrAlSiN涂层中元素的分布，以及它们的相对物理、机械和摩擦学性能。此外，我们发现用CrAlSiN体系涂层进行表面改性可以提高强度和抗塑性变形能力，从而确保高质量的真空离子等离子体薄涂层沉积，从而提高耐磨性。为了控制带有这种涂层的摩擦单元，决定开发一种监测技术，使用在强迫振动的次八度频带范围内的摩擦机械键的无量纲阻尼系数。它使识别固有振动频率成为可能，这表明用于摩擦或抗摩擦目的的涂层和改进剂的性能。我们的发现将对摩擦学做出重大贡献。除了观察接触面之间相互作用的弹性耗散和惯性特性的变化外，还分析了在边界润滑模式下运行的重载摩擦单元的广义动态准则，从而确定了摩擦子系统接触摩擦体的粘附稳定性。此外，我们还定义了润滑剂的有效性，过渡到边界摩擦和非润滑摩擦的抗摩擦子系统。将作者开发的技术用于重载摩擦系统，可以提高铁路和航空运输的耐磨性、可靠性和运行安全性。

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.