Patent ID: 9657777
Date: 2017-05-23
CPC Classifications: B22F,C22C,F16C,Y02T,Y10T

Claim:
1. A method of making a bearing comprising the steps of: applying a mixture of a copper-tin-bismuth alloy powder and a metal compound powder having an average particle size of less than 10 μm to a steel backing shell, the metal compound powder including an Fe heating the powder mixture and steel backing shell to produce a sintered powder mixture and bond the sintered powder mixture to the steel backing shell; and rolling the sintered powder mixture and steel backing shell to reduce a porosity of the sintered powder mixture and produce a fully-dense sintered compact bearing material, wherein the copper-tin-bismuth alloy of the sintered powder mixture includes a matrix of copper and tin and including bismuth in the form of islands spaced from one another by the matrix and the compound metal powder is dispersed throughout the matrix.