Patent ID: 9145938
Filing Date: 2015-09-29
Classification: B28B,B29B,B29C,B29K,C04B,C22C,F16D,Y02P,Y10T

Abstract:
1. A brake drum for use in vehicle braking applications, said brake drum comprising: a preform comprising ceramic particles and ceramic fibers with said preform having an inner surface and an opposing outer surface and defining a plurality of voids; a support element comprising a metal and disposed within said plurality of voids of said perform between said inner surface and said outer surface of said preform for forming a metal matrix composite with said support element terminating at said inner surface of said preform such that said inner surface of said preform remains exposed; and a wear surface defined by said exposed inner surface and said support element such that said wear surface is defined by both said preform and said support element; wherein said inner surface of said preform has a cylindrical configuration such that said wear surface is continuous along said inner surface of said preform.