Copper Infiltration for PM Parts – Process Guide | SinterWorks

Copper infiltration is the standard way to raise density, tensile strength and impact energy in powder metal parts without switching to a wrought process. This SinterWorks guide explains how a copper preform melts into the sintered skeleton, what density and mechanical property gains you can expect (typical 90-95% density), which base materials respond best (FC-0205, FC-0208, copper steels), the dimensional growth you must allow in the die, and where infiltration is the wrong answer compared with double pressing or powder forging. Written for design engineers and buyers specifying structural PM components. SinterWorks is a powder metallurgy parts manufacturer in Nanjing, China.