Investigation of n-values of composite superconductors

被引：18

作者：

Rimikis, A ^{[1
]}

Kimmich, R ^{[1
]}

Schneider, T ^{[1
]}

机构：

[1] Forschungszentrum Karlsruhe, Inst Tech Phys, D-76021 Karlsruhe, Germany

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2000年 / 10卷 / 01期

关键词：

D O I：

10.1109/77.828459

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：

Knowledge of the voltage-current characteristics of composite superconductors is very important for the development of superconducting high-field magnets, especially NMR magnets. These curves are characterized by the n-values and were systematically investigated for NbTi, (NbX)(3)Sn with additional components, X, and BSSCO-2223 composite superconductors by the standard four-point measurement technique. The influence on n-values of coating the NbTi filaments with Nb as well as the dependence of n-values on the internal structure of composite NbTi and (NbX)(3)Sn superconductors will be presented. The n-values of Nb3Sn are discussed under the aspect of the heat treatment parameters reaction time and reaction temperature. The n-values of various BSCCO-2223 superconductors will also be compared.

引用

页码：1239 / 1242

页数：4