AN EXPERIMENTAL INVESTIGATION OF FRICTIONALLY-EXCITED THERMOELASTIC INSTABILITY IN AUTOMOTIVE DISK BRAKES UNDER A DRAG BRAKE APPLICATION

被引：66

作者：

LEE, KJ

BARBER, JR

机构：

[1] Department of Mechanical Engineering and Applied Mechanics, University of Michigan, Ann Arbor, MI

来源：

JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME | 1994年 / 116卷 / 03期

关键词：

D O I：

10.1115/1.2928855

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Thermoelastic instability in an automotive disk brake system is investigated experimentally under drag braking conditions. The onset of instability is clearly identifiable through the observation of nonuniformities in temperature measured using embedded thermocouples. A stability boundary is established in temperature/speed space, the critical temperature being attributable to temperature-dependence of the brake pad material properties. It is also found that the form of the resulting unstable perturbations or eigenfunctions changes depending upon the sliding speed and temperature.

引用

页码：409 / 414

页数：6