An Experimental Assessment of the Components of Rolling Friction of Balls at Small Cyclic Displacements

被引：12

作者：

Dzhilavdari, I. Z. ^{[1
]}

Riznookaya, N. N. ^{[1
]}

机构：

[1] Belarusian Natl Tech Univ, Minsk 220013, BELARUS

来源：

JOURNAL OF FRICTION AND WEAR | 2008年 / 29卷 / 05期

关键词：

physical pendulum; rolling friction; hysteresis of elasticity forces; work of adhesion in detachment;

D O I：

10.3103/S1068366608050024

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Oscillation of a physical pendulum supported by two balls on a flat surface is studied experimentally and theoretically when the balls are displaced within a range from a few micrometers to a few nanometers. Rolling friction coefficients are calculated. A phenomenological theory of attenuation of oscillations is advanced, allowing the estimation of energy losses for the hysteresis of the forces of elasticity and adhesion and the measurement of the work of adhesion in detachment with high accuracy.

引用

页码：330 / 334

页数：5

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