CHARACTERISTICS OF AG-AU ALLOY SHEATHED BI-PB-SR-CA-CU-O SUPERCONDUCTING TAPES FOR CURRENT LEADS

被引：19
|
作者：
SASAOKA, T [1 ]
NOMURA, K [1 ]
SATO, J [1 ]
KUMA, S [1 ]
FUJISHIRO, H [1 ]
IKEBE, M [1 ]
NOTO, K [1 ]
机构：
[1] IWATE UNIV,FAC ENGN,DEPT MAT SCI & TECHNOL,MORIOKA,IWATE 020,JAPAN
来源：
APPLIED PHYSICS LETTERS | 1994年 / 64卷 / 10期
关键词：
D O I：
10.1063/1.111917
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Oxide superconductor tape with Ag-Au sheath was studied for current leads. A 100-cm-long current lead of 1000 A with 0.2 W/kA heat leakage was designed using Ag-11 at. % Au alloy sheath with low thermal conductivity. The overall current density of the superconducting tape is required to be 350-770 A/cm2 at 77 K when the superconductor cross-section ratio in the tape is 0.35-0.7. Bi-Pb-Sr-Ca-Cu-0 superconducting tape with Ag-11 at. % Au alloy sheath was fabricated and the critical current density J, was measured. The overall-J(c) was 1700 A/cm2 at 77 K under 0 T. The possibility of the current lead of 1000 A under 0.28 T with 0.2 W/kA was made clear.
引用
收藏
页码：1304 / 1305
页数：2
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