Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 28, 2009
Patent Application Number
11367459
Date Filed
March 6, 2006
Patent Primary Examiner
Patent abstract
A method for manufacturing a powder-metallurgy processed Nb3Sn superconducting wire is provided. In the method, a sheath made of Nb or a Nb alloy is filled with a raw material powder containing Sn. The sheath filled with the raw material powder is subjected to diameter reduction to form a wire. The wire is heat-treated to form a superconducting phase at the internal surface of the sheath. The raw material powder is prepared by adding a Sn powder to a Cu—Sn alloy powder or a Cu—Sn intermetallic compound powder, and is compacted under isotropic pressure.
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