H - Electricity – 01 – L
Patent
H - Electricity
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18/1120, 25/139,
H01L 39/24 (2006.01) B22F 3/02 (2006.01) B22F 3/20 (2006.01) B22F 3/24 (2006.01) B22F 9/04 (2006.01) C04B 35/45 (2006.01) C04B 35/65 (2006.01) H01B 12/00 (2006.01) H01B 12/04 (2006.01)
Patent
CA 2032879
PC-2256 PROCESS FOR FORMING SUPERCONDUCTOR PRECURSOR ABSTRACT The invention provides a process for production of silver- containing precursor alloys to oxide superconductors, said alloys having reduced amounts of intermetallics. Powders containing metallic elemental components of an oxide superconductor are high energy milled for a predetermined amount of time to increase homogeneity of the mixed metallic elemental components of the oxide superconductor. Silver is then high energy milled into the metallic components. The mixed silver and metallic elemental components of the oxide superconductor are compacted for the silver-containing superconductor precursor. The compacted powder is preferably hot worked at a temperature of at least 50% of the precursor alloy's melting temperature in degrees Kelvin.
Masur Lawrence Jay
Mckimpson Marvin Grendel
Poole Jon Michael
Sandhage Kenneth Henry
Smith Gaylord Darrell
American Superconductor Corporation
Inco Alloys International Inc.
Smart & Biggar
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