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Copper Substitution and Noise Reduction in Brake Pads: Graphite Type Selection
Timcal Ltd., Strada Industriale 12, Bodio 6743, Switzerland
Laboratoire de Mécanique de Lille, Boulevard Paul Langevin, Villeneuve d'Ascq Cedex 59655, France
Indian Institute of Technology, New Delhi 110016, India
* Author to whom correspondence should be addressed.
Received: 24 September 2012; in revised form: 29 October 2012 / Accepted: 5 November 2012 / Published: 9 November 2012
Abstract: Graphite is commonly used in brake pads. The use of graphite powder has the main goal of solid state lubrication and friction coefficient stabilization. In this article results on resin bonded brake pads with focus on noise performance and heat dissipation are presented. Experimental tests are based on model friction materials with a known formulation and a reduced number of components for a better identification of the role of the graphite type. Results clearly indicate that both noise performance and thermal conductivity are strongly affected by the type of graphite. Guidelines for the selection of graphite types for optimized friction materials are given.
Keywords: graphite; brake pad; noise; thermal conductivity
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Gilardi, R.; Alzati, L.; Thiam, M.; Brunel, J.-F.; Desplanques, Y.; Dufrénoy, P.; Sharma, S.; Bijwe, J. Copper Substitution and Noise Reduction in Brake Pads: Graphite Type Selection. Materials 2012, 5, 2258-2269.
Gilardi R, Alzati L, Thiam M, Brunel J-F, Desplanques Y, Dufrénoy P, Sharma S, Bijwe J. Copper Substitution and Noise Reduction in Brake Pads: Graphite Type Selection. Materials. 2012; 5(11):2258-2269.
Gilardi, Raffaele; Alzati, Luigi; Thiam, Mamadou; Brunel, Jean-François; Desplanques, Yannick; Dufrénoy, Philippe; Sharma, Sanjeev; Bijwe, Jayashree. 2012. "Copper Substitution and Noise Reduction in Brake Pads: Graphite Type Selection." Materials 5, no. 11: 2258-2269.