BIMETALLIC CERMET FOR ELECTRICAL CONTACTS Russian patent published in 1995 - IPC

Abstract SU 1487289 A1

FIELD: powder metallurgy. SUBSTANCE: material has working layer made of a compound based on silver containing cadmium oxide in the amount of 12 to 17 percent, process layer made of a compound of sliver-copper at the following relation of constituents, mass percent: silver - 26 to 34, copper - 66 to 74. The service life of contacts made of the offered material is 1 700 000 to 1 630 000 ON/OFF cycles. Consumption of silver decreases by 6 to 11.5%. EFFECT: reduced cost of material, with service life remaining unchanged. 1 tbl

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SU 1 487 289 A1

Authors

Pravoverov N.L.

Afonin M.P.

Malinina E.I.

Egorov E.G.

Zubritskij V.V.

Dates

1995-04-20—Published

1987-05-04—Filed