Nb3Al conductors for high-field applications

被引：148

作者：

Takeuchi, T ^{[1
]}

机构：

[1] Natl Res Inst Met, Tsukuba Magnet Lab, Tsukuba, Ibaraki 3050003, Japan

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2000年 / 13卷 / 09期

关键词：

D O I：

10.1088/0953-2048/13/9/201

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nb3Al has been considered as an alternative to Nb3Sn for high-field and large-scale applications, since an extremely high critical current density and excellent strain tolerance were demonstrated in Nb3Al by laboratory tests. Thus, there have been a great number of efforts in the exploration of new fabrication processes for Nb3Al. The processes explored can be classified into three groups: low-temperature processes (jelly-roll, powder metallurgy, clad chip extrusion, rod-in-tube), high-temperature processes (laser- or electron-beam irradiation), and transformation processes. This review describes Nb3Al conductors for each processing group, focusing on current topics relating to the rapid-heating, quenching and transformation method in which an excellent Nb3Al conductor can be obtained with a multifilamentary structure over several hundred metres in length.

引用

页码：R101 / R119

页数：19

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