Effect of pre-treatment on the microstructure and superconducting properties of Bi-2223/Ag tapes

被引：1
|
作者：
Li, Mingya [1 ]
Han, Zhenghe [2 ]
机构：
[1] Northeast Univ Qinhuangdao, Dept Mat Sci & Engn, Qinhuangdao 066004, Hebei Province, Peoples R China
[2] Tsinghua Univ, Appl Superconduct Res Ctr, Dept Phys, Beijing 100084, Peoples R China
来源：
HIGH-PERFORMANCE CERAMICS V, PTS 1 AND 2 | 2008年 / 368-372卷
关键词：
pre-treatment; (Bi; Pb)-2223/Ag tapes; Critical current;
D O I：
10.4028/www.scientific.net/KEM.368-372.638
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：
The effect of Pre-treatment on the microstructure and critical current of (Bi,Pb)-2223/Ag tapes has been investigated. Experimental results show that pre-treatment has important influences on the formation and the grain size of the (Bi,Pb)-2223 phase as well as the performances of Bi-2223/Ag tapes. During the pre-treatment process, the decomposition of the 3321 phase enhances the growth of (Bi,Pb)-2212 grains, which promotes the formation of (Bi,Pb)-2223 phase because it followed the size and orientation of the original (Bi,Pb)-2212 phase. As a result, the properties of Bi-2223/Ag tapes were remarkably improved.
引用
收藏
页码：638 / +
页数：2
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