Isothermal melt processing of BI-2212 wires and tapes

被引：0
|
作者：
Holesinger, TG [1 ]
Hults, WL [1 ]
Dai, WM [1 ]
机构：
[1] Univ Calif Los Alamos Natl Lab, Los Alamos, NM 87545 USA
来源：
IMPACT OF RECENT ADVANCES IN PROCESSING OF CERAMIC SUPERCONDUCTORS | 1998年 / 84卷
关键词：
D O I：
暂无
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Isothermal melt processing has been used to produce high critical currents (I-c's) and current densities (J(c)'s) in Bi2Sr2CaCu2Oy round wires and flat tapes, I-c's and J(c)'s of 225 A and 80 kA/cm(2) have been obtained in short length, monocore wires. However, voids and other macroscopic defects have limited performance over longer lengths. Isothermally melt processed tapes have yielded I-c and J(c) values up to 341 A and 245 kA/cm(2) although performance over longer lengths is somewhat reduced. A test coil made from 0.5 m of tape yielded I-c and J(c) values of 208 A and 153 kA/cm(2), respectively.
引用
收藏
页码：175 / 184
页数：10
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