method of obtaining the hard alloys

摘要

A method of obtaining the hard alloys includes pressing of charge, sintering at heating at a rate of 35-40 deg./ min. to 800-850 °C with subsequent soaking during 30-40 min., and then is accomplished the heating at a rate of 50-55 deg./ min. to the temperature of liquid-phase sintering with subsequent soaking. After heating to the temperature of liquid-phase sintering the soaking during 3-20 min. is carried out, while after this temperature is reduced down to the temperature of solid-phase sintering of 1200-1250 °C and is achieved soaking during 60-120 min.