Electrical Behavior and Current Transfer Length of Fe- and Cu-Sheathed MgB2 Superconducting Single-Core Wires

被引：3
作者：
Ahmad, Irshad [1 ]
Sarun, Pallian Murikkoli [1 ]
机构：
[1] Indian Sch Mines, Indian Inst Technol, Dept Appl Phys, Funct Ceram Lab, Dhanbad 826004, Bihar, India
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2018年 / 29卷 / 04期
关键词：
Current transfer length (CTL); MgB2; superconducting transport properties; superconducting wire;
D O I：
10.1109/TASC.2018.2880335
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Estimation of the current transfer length (CTL) and the electric field of single-core superconducting wires for various materials having different cross-sectional compositions of superconducting core: barrier: sheath material are theoretically studied employing an analytical method. The results indicate that Fesheathed single-core superconducting wires can be preferable as compared to Cu-sheathed single-core wires having identical geometry. Among the studied wire geometries, the least CTL value of 0.374 and 0.629 mm for MgB2:Ti:Fe and MgB2:Monel:Fe wires, respectively, suggest that single-core superconducting wire fabricated with these geometrical combination can be operational with the lowest electrical dissipation. Furthermore, this technique can also be extended to study electrical properties of various combinations of materials that are used for the fabrication of single-core superconducting wires.
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页数：6
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