Metal treatment – Stock – Copper base
Patent
1996-10-11
1999-03-09
Ip, Sikyin
Metal treatment
Stock
Copper base
148435, 29597, 310233, C22C 900, C22C 902
Patent
active
058794760
ABSTRACT:
A copper alloy having an improved corrosion resistance in an alcohol-containing medium, which consists essentially of 0.5 to 8 weight percent tin and/or nickel alone or in combination, 0.02 to 0.15 weight percent zirconium, and remainder weight percent copper. The zirconium is dispersed in the copper alloy as precipitates. The copper alloy is suitable for a commutator material used in a DC motor having an improved abrasive resistance.
REFERENCES:
patent: 5552106 (1996-09-01), Kembaiyan
Nakagawa Kazuhiko
Narushima Masahiko
Sasaki Gen
Hitachi Cable Ltd.
Ip Sikyin
Mitsuba Corporation
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