02-01-2020 дата публикации
Номер: US20200002787A1
The stabilizer material for superconductor of the present invention is used for a superconducting wire, and the stabilizer material for superconductor includes a copper material, the copper material contains one kind or more of additive elements selected from Mg, Mn, Ti, Y, and Zr for a total amount of 3 ppm by mass or more and 100 ppm by mass or less, with the remainder being Cu and unavoidable impurities, the total concentration of the unavoidable impurities other than O, H, C, N, and S, which are gas components, is 5 ppm by mass or more and 100 ppm by mass or less, and compounds including one kind or more selected from MgS, MgSO, MnS, TiS, YS, YSO, and ZrS are present in the matrix. 1. A stabilizer material for superconductor used for a superconducting wire , the stabilizer material for superconductor comprising:a copper material, whereinthe copper material contains one or more additive elements selected from the group consisting of Mg, Mn, Ti, Y, and Zr in a total amount of 3 ppm by mass or more and 100 ppm by mass or less, with a remainder being Cu and unavoidable impurities,a total concentration of the unavoidable impurities other than O, H, C, N, and S, which are gas components, is 5 ppm by mass or more and 100 ppm by mass or less, and{'sub': 4', '2', '2, 'one or more compounds selected from the group consisting of MgS, MgSO, MnS, TiS, YS, YSO, and ZrS are present in a matrix.'}2. The stabilizer material for superconductor according to claim 1 , wherein the unavoidable impurities include:Fe in an amount of 10 ppm by mass or less,Ni in an amount of 10 ppm by mass or less,As in an amount of 5 ppm by mass or less,Ag in an amount of 50 ppm by mass or less,Sn in an amount of 4 ppm by mass or less,Sb in an amount of 4 ppm by mass or less,Pb in an amount of 6 ppm by mass or less,Bi in an amount of 2 ppm by mass or less, andP in an amount of 3 ppm by mass or less.3. The stabilizer material for superconductor according to claim 1 ,wherein a ratio y/x in a range of 0.5 ...
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