Manufacture method of brazing material for joining iron-based sintered members and iron-based sintered parts

摘要

Disclosed is a brazing material for joining iron-based sintered members, which comprises a sintered body containing Cu and Mn and composed of the balance Ni and unavoidable impurities, and an oxide film formed on the surface of the sintered body. The oxygen concentration may be 0.1% by mass or more with respect to the total amount of the brazing material. The oxide film may contain Mn.