| abstract |
FIELD: process engineering. n 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 %: Cu 27.5 - 49.5, Co 13.75 - 24.75, Fe 13.75 - 24.75, Ni 1 - 45 and alloying additive with specific surface of 5-25 m 2 /g in amount of 1-10. n EFFECT: higher ductility, hardness, strength, specific wear resistance and cutting speed. n 3 cl, 11 tbl, 1 ex |