Patent ID: 7666245

Claim:
Iron-based metal powder for powder metallurgy, comprising an iron-based metal powder including a metallic soap containing at least one or more types of metal selected from the group consisting of Ag, Au, Bi, Co, Cu, Mo, Ni, Pd, Pt, Sn and Te having a higher standard oxidation potential than iron, and an additional metal of one or more types of metal selected from the group consisting of Zn, Al, Sb, Yb, K, Ga, Ca, Au, Ag, Ge, Sm, Sn, Ce, Te, Cu, Na, Nb, Ba, Bi, Pr, Mg, Eu, La, Li, and P which forms a liquid phase at a temperature of 1200° C. or less in the combination with said metal, and being a soap containing metals for forming an alloy phase between the metals.