低温工学
Online ISSN : 1880-0408
Print ISSN : 0389-2441
ISSN-L : 0389-2441
5at.%Cu-Sn合金を用いて製作した多芯Nb3Sn導体の超電導特性
木村 錫一渡辺 牧夫
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ジャーナル フリー

1980 年 15 巻 3 号 p. 179-183

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The Nb3Sn tape consisting of 27 filaments in a Nb matrix was made by means of the internal diffusion between a 5at.%Cu-Sn alloy and Nb. The Nb3Sn layer could be formed in several hours and was found to have a critic al temperature of 17.6K. Overall current density of 2.0×104A/cm2 at 100kG was obtained for a suitably heat treated sample for which the ratio of Nb3Sn to the composite was below 5%.

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