ALLOY POWDER FOR FORMING HARD PHASE AND IRON TYPE MIXED POWDER USING THE SAME AND METHOD FOR MANUFACTURING SINTERED ALLOY HAVING AN ABRASION RESISTANCE AND SINTERED ALLOY HAVING AN ABRASION RESISTANCE

摘要

Alloy powder for forming a hard phase for a valve seat material having excellent high temperature wear resistance. The overall composition consists of Mo: 48 to 60 mass%, Cr: 3 to 12 mass% and Si: 1 to 5 mass%, and the balance of Co and inevitable impurities.