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

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2012
auteur(s) Gilardi Raffaele; Alzati Luigi; Thiam Mamadou; Brunel Jean-François; Desplanques Yannick; Dufrenoy Philippe; Sharma Sanjeev; Bijwe Jayashree
journal (abréviation) Materials (Materials)
volume (numéro) 5 (11)
pages 2258 – 2269
résumé 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.
mots clés graphite; brake pad; noise; thermal conductivity
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