Composite material of contact plate on copper basis and method of its manufacturing. RU patent 2368462.

FIELD: metallurgy.

SUBSTANCE: invention can be used for manufacturing of contact members of current collectors of electric motive power of railroads, municipal and industrial transport. Composite material contains components in a following ratio, wt %: graphite - 3.0-10.0, iron - 7.0-10.0, phosphorus - 0.1-0.5, sulphur - 0.1-0.8, age-hardened copper- the rest. Manufacturing method of composite material includes manufacturing of age-hardened copper, containing 0.3-4.5 wt % age-hardening additives, mixing of powder materials, compressing from them porous blank, heating of compressed blank, its compaction and cold hardening of the received material.

EFFECT: increasing of physical-mechanical and antifriction properties of material.

2 cl, 1 tbl, 1 ex

IPC classes for russian patent Composite material of contact plate on copper basis and method of its manufacturing. RU patent 2368462. (RU 2368462):

H01H1/025 - Electric switches

C22C1/04 - ALLOYS (treatment of alloys C21D, C22F)

B22F3/12 - Both compacting and sintering (by forging B22F0003170000)

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