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Materials 2012, 5(11), 2258-2269; doi:10.3390/ma5112258
Article

Copper Substitution and Noise Reduction in Brake Pads: Graphite Type Selection

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Received: 24 September 2012 / Revised: 29 October 2012 / Accepted: 5 November 2012 / Published: 9 November 2012
Download PDF [4260 KB, 13 November 2012; original version 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 graphite; brake pad; noise; thermal conductivity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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.

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