Research Progress of the Processing and Properties of MgB2 Wires and Tapes

被引：0
作者：
Liu Haoran [1 ,2 ]
Yang Fang [2 ]
Wang Qingyang [2 ]
Xiong Xiaomei [2 ]
Feng Jianqing [2 ]
Li Chengshan [2 ]
Zhou Lian [1 ,2 ]
机构：
[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Shaanxi, Peoples R China
[2] Northwest Inst Nonferrous Met Res, Xian 710016, Shaanxi, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2018年 / 47卷 / 03期
关键词：
MgB2; wires and tapes; superconductivity; CRITICAL-CURRENT DENSITY; POWDER;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
MgB2 wires and tapes have been well developed during the past 15 years. They can be used in liquid hydrogen and low magnetic field, which have broad applicability in the future due to their cheap raw material. In this paper we review the traditional processing of MgB2 wires and tapes. The method of internal magnesium diffusion is introduced in which a pure magnesium rod is placed at the center of copper sheath and niobium or tantalum barrier layer, and the space between magnesium rod and barrier layer is filled with boron powder. We can get the high density MgB2 layer after heat treatment. Finally, we discuss the key point of fabricating MgB2 tapes and wires in the future.
引用
收藏
页码：1020 / 1024
页数：5
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