COPPER-BASED BINDER FOR MAKING CUTTING TOOL WITH SUPERHARD MATERIAL

摘要

FIELD: process engineering.SUBSTANCE: invention relates to powder metallurgy, particularly to production of composite materials and may be used in construction and machine building. Proposed composition contains the following substances, in wt %: copper 27.5 - 49.5, cobalt 13.75 - 24.75, iron 13.75 - 24.75, nickel 1- 45, alloyimng additive 0.01 - 3.0.EFFECT: higher ductility, hardness, strength, specific wear resistance and cutting speed.4 cl, 8 tbl, 1 ex