FABRICATION AND PROPERTIES OF SILVER-SHEATHED (BI,PB)2SR2CA2CU3O10 HIGH-TEMPERATURE SUPERCONDUCTING TAPES

被引：1
|
作者：
GUO, YC
LIU, HK
DOU, SX
机构：
[1] School of Materials Science and Engineering, The University of New South Wales, Kensington, NSW 2033
来源：
PHYSICA B | 1994年 / 194卷 / pt 2期
关键词：
High temperature superconductors;
D O I：
10.1016/0921-4526(94)91537-7
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Silver-sheathed (Bi,Pb)2Sr2Ca2Cu3O10 superconducting tapes with critical current density up to 40,000 A/cm2 at 77K and 0T have been successfully fabricated through the combination of powder-in-tube technique and a repeated pressing and annealing process. The obtained tapes were characterised in terms of phase analyses, microstructural observations and electrical measurements. The results indicate that pure high-T(c) phase high degree of grain alignment and intimate connection between grains are essential for achieving a high current carrying capacity in the Bi-Pb-Sr-Cu-O superconducting tapes. J(c) development during the process of beat treatment was related to the high-T(c) phase formation and microstructural evolution of tapes.
引用
收藏
页码：2075 / 2076
页数：2
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