Mechanism of Destruction of Friction Surfaces of Ceramic Materials Based on Zirconium Dioxide under Dry Friction

IF 0.4 4区物理与天体物理 Q4 PHYSICS, APPLIED

Technical Physics Pub Date : 2026-02-18 DOI:10.1134/S1063784225601231

V. V. Alisin, I. N. Kravchenko, M. N. Erofeev, I. A. Leshakov, O. S. Bukov

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Abstract

The issues of formation of the third body during dry friction on steel of nanostructured zirconium dioxide crystals partially stabilized by yttrium oxide are considered. The assumption is substantiated that the tribological properties of the friction pair under study are determined by the properties of the films formed on the surface of the crystals. The results of electron microscopic studies of crystal friction surfaces are presented. The elemental composition has been determined, and the phase composition of the transfer films of various areas of the friction surface of crystals have been calculated. It has been established that at high magnifications, the structure of the films on the friction surface of samples with 2–4 mol% Y₂O₃ is quite uniform with traces of the boundaries of smaller particles of the transferred material. The destruction of the friction surface of the sample with a Y₂O₃ content of 8 mol% occurs at a deeper level and affects not only the layer of secondary structures, but also the underlying layers of the base material. Recommendations for the selection of friction pairs for high-temperature friction units are formulated.

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基于二氧化锆的陶瓷材料摩擦面干摩擦破坏机理研究

研究了氧化钇部分稳定的纳米二氧化锆晶体在钢的干摩擦过程中第三体的形成问题。假设所研究的摩擦副的摩擦学性能是由晶体表面形成的薄膜的性能决定的。给出了晶体摩擦表面的电镜研究结果。测定了晶体的元素组成，计算了晶体摩擦表面各区域转移膜的相组成。结果表明，在高倍率下，Y2O3含量为2-4 mol%的样品摩擦表面的薄膜结构非常均匀，并伴有转移材料中较小颗粒的边界痕迹。当Y2O3含量为8 mol%时，试样的摩擦面破坏发生在较深层，不仅影响二级结构层，而且影响基体的下垫层。对高温摩擦装置的摩擦副的选择提出了建议。

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来源期刊

Technical Physics 物理-物理：应用

CiteScore

1.30

自引率

14.30%

发文量

139

审稿时长

3-6 weeks

期刊介绍： Technical Physics is a journal that contains practical information on all aspects of applied physics, especially instrumentation and measurement techniques. Particular emphasis is put on plasma physics and related fields such as studies of charged particles in electromagnetic fields, synchrotron radiation, electron and ion beams, gas lasers and discharges. Other journal topics are the properties of condensed matter, including semiconductors, superconductors, gases, liquids, and different materials.