Cold spray and anodization repair process for restoring worn aluminum parts

摘要

A method for repairing an aluminum part having a worn portion is provided. In one embodiment, the method includes the steps of: (i) producing a first substantially non-porous coating over the worn portion utilizing a cold spray process wherein a powder mixture is propelled against the worn portion of the aluminum part, and (ii) anodizing the aluminum part to grow an aluminum oxide layer overlaying the first substantially non-porous coating. The powder mixture includes aluminum and an alloy media.