Method of manufacturing a Ni-Pt alloy

Details Method of manufacturing a Ni-Pt alloy Method of manufacturing a Ni-Pt alloy

2011-06-14

2011-06-14

Roe, Jessee R. (Department: 1733)

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Forming nonelectrolytic coating after depositing...

C205S228000, C205S557000, C420S456000, C423S419100

Reexamination Certificate

active

07959782

ABSTRACT:
A Ni—Pt alloy and target superior in workability containing 0.1 to 20 wt % Pt and having a Vickers hardness of 40 to 90. A method of manufacturing the Ni—Pt alloy comprises steps of subjecting a raw material Ni having a purity of 3N level to electrochemical dissolution, neutralizing the electrolytically leached solution with ammonia, removing impurities through filtration with activated carbon, blowing carbon dioxide into the resultant solution to form nickel carbonate, exposing the resultant product to a reducing atmosphere to prepare high purity Ni powder, leaching a raw material Pt having a purity of 3N level with acid, subjecting the leached solution to electrolysis to prepare high purity electrodeposited Pt, and dissolving the resultant high purity Ni powder and high purity electrodeposited Pt. The method enables rolling of the Ni—Pt alloy ingot upon reducing the hardness thereof, which results in the stable and efficient manufacture of a rolled target.

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