Iron base sintered member, iron base powder mixture, and method for producing iron base sintered member

摘要

One embodiment of the present invention comprises a metal base comprising iron base and a pore dispersed in the iron base, containing iron, 0.1 to 3.5 mass% carbon, aluminum, sodium and sulfur, and aluminum, sodium, on the surface of the iron base contacting the pore The present invention relates to an iron based sintered member containing a free carbon in the pores.