Method for producing oxide superconducting wire

Details Method for producing oxide superconducting wire Method for producing oxide superconducting wire

H - Electricity

01

B

H01B 13/00 (2006.01) H01B 12/10 (2006.01)

Patent

CA 2564238

A method for producing an oxide superconducting wire, which comprises steps (S1 to 4) for preparing a wire having a form wherein raw material powders for an oxide superconducting wire are covered with a metal, a step (S5) of rolling the resultant wire, a step (S6) of heat-treating the wire after rolling (S5) in a pressurized atmosphere, wherein the rolling reduction in the rolling (S5) is 50 to 80 %. The above method can provide an oxide superconducting wire being improved in superconducting characteristics.

L~invention concerne un procédé de fabrication de fil supraconducteur oxydé, comprenant les phases (S1 to 4) de fabrication d~un fil d~une certaine forme où des poudres brutes pour fil supraconducteur oxydé sont recouvertes d~un métal, une phase (S5) de laminage du fil résultant, une phase (S6) de traitement thermique du fil après laminage (S5) dans une atmosphère pressurisée, où la réduction de laminage (S5) va de 50 à 80 %. Le procédé ci-dessus permet d~obtenir un fil supraconducteur oxydé aux caractéristiques supraconductrices améliorées.

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