Superconducting behaviour of Nb-Ti-12.3 wt.% Ta and Nb-Ti-20.4 wt.% Ta multifilamentary superconducting wires

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作者
Potanina, LV [1 ]
Vedernikov, GP [1 ]
Korpusov, VY [1 ]
Nikulin, AD [1 ]
机构
[1] AA Bochvar All Russia Sci Res Inst Inorgan Mat, VNIINM, Moscow 123060, Russia
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O414.1 [热力学];
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摘要
Multifilamentary wires based on ternary Nb- Ti- Ta alloys with 55 and 4620 filaments have been fabricated by several processing routes. Ternary alloys with 12.4 and 20.4 wt. % Ta were used having T-c 8.99 and 8.70 K. Critical currents of the wires have been measured at 5-13.5 T and at 4.2 and 2.2 K. Critical current densities of the wires with 60-40 mu m filaments and 7-3.5 mu m filaments, which were prepared under the identical conditions, were compared for both the compositions.
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页码:881 / 887
页数:7
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