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Lina S.C.,Politeknik Premier Ungku Omar | Guan C.C.,Politeknik Premier Ungku Omar | Bakar A.R.A.,University of Technology Malaysia | Jamaluddin M.R.,University of Technology Malaysia | And 2 more authors.
International Journal of Vehicle Structures and Systems | Year: 2011

For decades, it has been a challenging task for brake engineers to reduce or totally eliminate squeal that emanates from brake systems. Despite the large number of proposals that have been implemented in tackling disc brake squeal, very few solutions are totally effective to reduce or suppress it. This paper presents an approach to tackle disc brake squeal through chamfered and slotted pad. A three-dimensional FE model of an actual disc brake system is developed. The baseline FE model is first simulated using complex eigenvalue and transient analysis to predict squeal and compared to the squeal tests data obtained in the brake dynamometer. A reasonable correlation is found between these results. Then, three different pad modifications are proposed, simulated and tested. It is shown that pad with chamfers and diagonal slot can totally suppress squeal both in prediction and squeal test. © 2011. MechAero Foundation for Technical Research & Education Excellence.

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