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1. 发明公开

EP3107879A2 SUPERCONDUCTING WIRES AND METHODS OF MAKING THEREOF 有权
标题翻译： VERFAHREN ZUR HERSTELLUNG DAVON的SUPRALEITENDEDRÄHTE
公开(公告)号：EP3107879A2
公开(公告)日：2016-12-28
申请号：EP15792961.3
申请日：2015-02-18
申请人： The Ohio State University , Hyper Tech Research, Inc.
发明人： XU, Xingchen , SUMPTION, Michael D. , PENG, Xuan
IPC分类号： C04B35/45
CPC分类号： H01B12/10 , B22F5/12 , B22F7/04 , C22C1/0491 , C22C32/0031 , C22F1/18 , H01B13/0016 , H01F6/06 , H01L39/14 , H01L39/2409
摘要： Disclosed herein are superconducting wires. The superconducting wires can comprise a metallic matrix and at least one continuous subelement embedded in the matrix. Each subelement can comprise a non-superconducting core, a superconducting layer coaxially disposed around the non-superconducting core, and a barrier layer coaxially disposed around the super-conducting layer. The superconducting layer can comprise a plurality of Nb3Sn grains stabilized by metal oxide particulates disposed therein. The Nb3Sn grains can have an average grain size of from 5 nm to 90 nm (for example, from 15 nm to 30 nm). The superconducting wire can have a high-field critical current density (Jc) of at least 5,000 A/mm2 at a temperature of 4.2 K in a magnetic field of 12 T. Also described are superconducting 4 wire precursors that can be heat treated to prepare super-conducting wires, as well as methods of making super-conducting wires.
摘要翻译：这里公开了超导线。超导线可以包括金属基体和嵌入基质中的至少一个连续子元件。每个子元件可以包括非超导芯，同轴地设置在非超导芯周围的超导层，以及围绕超导层同轴设置的阻挡层。超导层可以包括由设置在其中的金属氧化物颗粒稳定的多个Nb 3 Sn颗粒。 Nb 3 Sn粒子的平均粒径可以为5nm〜90nm（例如15nm〜30nm）。在12T的磁场中，超导线可以在4.2K的温度下具有至少5,000A / mm 2的高场临界电流密度（Jc）。还描述了可以热处理以制备的超导4线前体超导线，以及制造超导线的方法。

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