初级摩擦系统尺寸的计算评定

IF 0.5 4区 工程技术 Q4 ENGINEERING, MECHANICAL
S. V. Fedorov
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引用次数: 0

摘要

摘要:摩擦面是摩擦学和摩擦过程定义中确立的一个概念。很明显,这是对连续介质力学的传统逻辑的致敬。另一方面,表面概念的真实形式化的物理和材料科学逻辑决定了它的具象性,它不同于条件几何性。在这篇文章中,作者考虑了摩擦表面演变的一般结构和能量模式,得出了临界摩擦体积的概念,它足以满足平衡粗糙度的概念。作者将这个体积定义为基本摩擦系统的体积。这个在运动临界摩擦体积模型框架内的体积是一个基本的能量摩擦变压器。初等摩擦系统是变形刚体在摩擦作用下的自适应响应,它是最小体积,积累了极密度缺陷的势能。它有一个远离初始平衡状态的内部平衡。此外,这个体量在结构上随着其大小的恒定而演变。对这一临界平衡摩擦体积进行了物理模拟。考虑了原子光滑表面在一定的基本名义摩擦面积内的理想平衡体积模型,该模型与平衡粗糙度的体积相适应。提出了一种计算临界和平衡摩擦体积的方法。证明了原子粗糙表面的平衡体积(振荡振幅)外推到绝对零度温度的原理。临界摩擦体积的大小与摩擦表面的平衡粗糙度大小直接相关。根据力学(纳米)量子作为基本子摩擦系统的模型,对理想演化状态下的基本摩擦系统的临界摩擦尺寸进行了精细化计算。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Calculated Assessment of the Size of an Elementary Tribosystem

Calculated Assessment of the Size of an Elementary Tribosystem

Abstract

The friction surface is a concept that has established itself in tribology and the definitions of friction processes. It is clear that this is a tribute to the traditional logic of continuum mechanics. On the other hand, the physical and materials science logic of the real formalization of the concept of surface determines its concretization, which differs from conditional geometricity. In the proposed article, the author, having previously considered the general structural and energy patterns of the evolution of rubbing surfaces, comes to the concept of a critical volume of friction, which is adequate to the concept of equilibrium roughness. The author defines this volume as the volume of an elementary tribosystem. This volume within the framework of the model of the moving critical volume of friction is an elementary tribotransformer of energy. An elementary tribosystem is formed as an adaptive response of a deformed rigid body under friction, the smallest volume that has accumulated the potential energy of defects of extreme density. It has an internal equilibrium far from the state of initial equilibrium. Further, this volume evolves structurally with the constancy of its size. An attempt is made to physically model this critical equilibrium volume of friction. A model of ideal equilibrium of the volume of an atomically smooth surface within a certain elementary nominal friction area adequate to the volume of equilibrium roughness is considered. A method for calculating this critical and equilibrium friction volume is proposed. The principle of extrapolation of the equilibrium volume (oscillation amplitude) of an atomically rough surface to the temperature of absolute zero is substantiated. The direct correlation of the size of the critical friction volume with the size of the equilibrium roughness of the rubbing surfaces is shown. A refined calculation of the critical size of friction—an elementary tribosystem in the state of its ideal evolution according to the model of a mechanical (nano) quantum as an elementary subtribosystem is performed.

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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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