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PRECURSOR FOR A NB3SN SUPERCONDUCTOR WIRE, METHOD FOR MANUFACTURING THE SAME, NB3SN SUPERCONDUCTOR WIRE, AND SUPERCONDUCTING MAGNET SYSTEM
PRECURSOR FOR A NB3SN SUPERCONDUCTOR WIRE, METHOD FOR MANUFACTURING THE SAME, NB3SN SUPERCONDUCTOR WIRE, AND SUPERCONDUCTING MAGNET SYSTEM
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机译:NB3SN超级导线的前体,制造方法,NB3SN超级导线和超导磁体系统
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摘要
A precursor for a Nb3Sn superconductor wire to be manufactured by the internal diffusion method, includes a plurality of Nb-based single core wires, each of which includes a Nb-based core coated with a Cu-based coating including a Cu-based matrix, a plurality of Sn-based single core wires, each of which includes a Sn-based core coated with a Cu-based coating including a Cu-based matrix; and a cylindrical diffusion barrier including Ta or Nb, in which the plurality of Nb-based single core wires and the plurality of Sn-based single core wires are regularly disposed, wherein the plurality of Nb-based single core wires include Nb-based single core wires having a Cu/Nb ratio of 0.4 or more, wherein the Cu/Nb ratio is a cross sectional area ratio of the Cu-based coating to the Nb-based core.
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