Sintered electro-contact material on base of copper. RU patent 2415958.

FIELD: metallurgy.

SUBSTANCE: sintered electro-contact material on base of copper contains, wt %: soot of zinc oxide - 2.2 - 2.5; aluminium - 0.001 - 0.005; tungsten - 3 - 10; copper - the rest.

EFFECT: high hardness, density and low intensity of wear.

2 tbl, 1 ex

IPC classes for russian patent Sintered electro-contact material on base of copper. RU patent 2415958. (RU 2415958):

H01H1/025 - Electric switches

C22C9 - Alloys based on copper

C22C1/05 - ALLOYS (treatment of alloys C21D, C22F)

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