Patent ID: 8277533
Filing Date: 2012-10-02
Classification: C22C,Y10T

Abstract:
1. A powder metallurgy mixture having a composition, in weight percentage (wt %) of the powder metallurgy mixture, excepting incidental impurities, of between 55-90 wt % iron-based matrix powder, between 45-10 wt % hard phase powder, optionally a machinability aid, optionally a solid lubricant selected from the group of: CaF wherein the machinability aid and the solid lubricant are provided in amounts not greater than 5 wt % each, the above constituents together total 100 wt % of the powder metallurgy mixture, and the hard phase powder has a composition, in weight percentage (wt %) of the hard phase powder, excepting incidental impurities, of at least 30 wt % Fe: