Processing of low cost Bi-2212 tapes

被引：14
|
作者：
Meng, RL [1 ]
Garcia, C [1 ]
Wang, YQ [1 ]
Kang, WN [1 ]
Rusakova, I [1 ]
Chu, CW [1 ]
机构：
[1] Univ Houston, Texas Ctr Superconduct, Houston, TX 77204 USA
来源：
PHYSICA C | 1998年 / 306卷 / 3-4期
基金：
美国国家科学基金会;
关键词：
high temperature superconducting tapes; processing;
D O I：
10.1016/S0921-4534(98)00372-4
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Bi2Sr2CaCu2O8 (Bi-2212) tapes have been successfully fabricated on the inexpensive Ni-substrates with a shorter annealing time by the simple two-step spray/press process originally developed by us for the fabrication of HgBa2Ca2Cu3O9+delta/Ni tapes. The critical current density J(c) at 4.2 K of the tapes so-prepared is 5 X 10(5) A/cm(2) at 0 T; and 3 X 10(5) and 1.5 X 10(5) A/cm(2) at 8 T, which is parallel and perpendicular to J(c), respectively. This compares favorably with the best previous results reported for Bi-2212 tapes in a Ag-sheath or on a Ag-substrate. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：223 / 227
页数：5
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