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Brake Squeal Noise를 유발하는 Brake Contact Interface와 Rotor의 In-Plane Modes에 관한 연구Ⅱ
김경수(Kyungsoo Kim),조호준(Hojoon Cho),김두영(Dooyoung Kim),최원석(Wonseok Choe),박영준(Youngjoon Park),백봉범(Bongbum Back),김한규(Hankyu Kim),고승석(Seungseok Ko),정명구(Myoungkoo Chung) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
For many years, brake noise has been one of the top automotive brake warranty issues, and many studies have been conducted to reduce the squeal phenomenon by improving the rotor-pad contact interface or by decoupling modes inducing squeals. This is additional research of ‘A study of Brake Contact Interface and Rotor In-Plane Modes Induced Disc Brake Squeal noise’. This paper considers the different brake contact interfaces affecting high frequency brake squeal and introduce an effective way of reducing the problem by improving one of the brake secondary contacts. Furthermore, the reason of improving of brake secondary contact has a positive effect is investigated by modal analysis & squeal noise analysis.