CPC H01B 12/10 (2013.01) [H01B 12/06 (2013.01); H10N 60/20 (2023.02); H10N 60/85 (2023.02); H10N 60/0128 (2023.02); H10N 60/0156 (2023.02); H10N 60/0184 (2023.02); Y02E 40/60 (2013.01)] | 26 Claims |
1. A superconducting wire possessing diffusion resistance and mechanical strength, the superconducting wire comprising:
a wire matrix comprising Cu;
a plurality of composite filaments; and
disposed between the wire matrix and the composite filaments, a diffusion barrier comprising a Nb alloy containing 0.1%-20% W or a Nb—Ta alloy containing 0.1%-20% W,
wherein:
each composite filament comprises (i) a plurality of monofilaments and (ii) a cladding comprising Cu surrounding the plurality of monofilaments,
each monofilament comprises a core comprising Nb and, surrounding the core, a cladding comprising Cu, and
the diffusion barrier extends through an axial dimension of the wire.
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13. A superconducting wire possessing diffusion resistance and mechanical strength, the superconducting wire comprising:
a wire matrix comprising Cu;
a plurality of composite filaments;
disposed between the wire matrix and the composite filaments, a diffusion barrier comprising at least one of Nb, Ta, or W; and
disposed between the composite filaments and the diffusion barrier, an annular region comprising a Nb-based superconducting phase,
wherein:
each composite filament comprises (i) a plurality of monofilaments and (ii) a cladding comprising Cu surrounding the plurality of monofilaments,
each monofilament comprises a core comprising Nb and, surrounding the core, a cladding comprising Cu, and
the diffusion barrier extends through an axial dimension of the wire.
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