Patent ID: 9199273
Filing Date: 2015-12-01
Classification: B05D,B22F,C22C,E21B,Y10T

Abstract:
1. A method of applying hardfacing to a surface of an earth-boring tool, comprising: disposing an at least substantially solid preformed multi-layer film over a surface of a body of an earth-boring tool, the multi-layer film comprising: heating the body of the earth-boring tool to a first temperature while the multi-layer film is on the body of the earth-boring tool and removing the first polymer material and the second polymer material from the body of the earth-boring tool; and heating the body of the earth-boring tool to a second temperature higher than the first temperature and sintering at least the plurality of metal matrix particles to form a layer of hardfacing material on the surface of the body of the earth-boring tool comprising the plurality of hard particles dispersed throughout a metal matrix phase formed from the plurality of metal matrix particles.