Effects of Pad Surface Topography on Disc Brake Squeal

被引：3

作者：

Lazim, Ahmad Razimi Mat ^{[1
]}

Hamid, Mohd Kameil Abdul ^{[1
]}

Abu Baker, Abd Rahim ^{[1
]}

机构：

[1] Univ Teknol Malaysia, Fac Mech Engn, Dept Automot Engn, Utm Skudai 81310, Malaysia

来源：

TRENDS IN AUTOMOTIVE RESEARCH | 2012年 / 165卷

关键词：

squeal; brake pad; wear; EDX; optical microscope;

D O I：

10.4028/www.scientific.net/AMM.165.58

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Brake squeal has always been a major NVH problem to many car makers due to significant number of warranty claims. Brake squeal is a high frequency noise (above 1 kHz) emanating from car disc brakes that get excited due to one or more mechanisms such as mode coupling, stick-slip, hammering and sprag-slip. This paper attempts to investigate the effects of brake pad surface topography on squeal generation. Two pairs of a non-asbestos organic (NAO) brake pad will be tested on a brake dynamometer test rig. Surface topography of the brake pad will be analyzed through microscopic techniques using energy dispersive X-ray analysis (EDX), and optical microscope.

引用

页码：58 / 62

页数：5

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