Patent ID: 8877296
Filing Date: 2014-11-04
Classification: F16D

Abstract:
1. A method for producing a brake disc (BS) for a vehicle, the brake disc comprising a main body (G) of a metal material, which comprises friction surfaces (R), the method comprising in the following order: forming a coating (B) of tungsten carbide, chromium carbide, and nickel or of tungsten carbide, cobalt and nickel on the friction surfaces (R), covering the parts of the brake disc not to be after-treated with a heat-resistant protection paste, and after-treating the friction surfaces (R) having coating (B) formed thereon by carbonizing, carbonitriding, case hardening, gas nitriding, oxide nitriding, gas nitro carburizing, plasma nitriding, plasma oxidizing, borating, plasma carborating or plasma borating.