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
收藏
页码：58 / 62
页数：5
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