Microstructure and properties of Bi-2223/Ag/Ni tapes

被引：7
|
作者：
Li Mingya [1 ]
Ye Chengli [1 ]
Liu Jun [1 ]
机构：
[1] NE Univ Qinhuangdao, Sch Resources & Mat, Qinhuangdao 066004, Peoples R China
来源：
RARE METALS | 2012年 / 31卷 / 06期
关键词：
Bi-2223/Ag/Ni tapes; heat treatment; microstructure; critical current; TEMPERATURE; (BI; PB)-2223; FABRICATION;
D O I：
10.1007/s12598-012-0557-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
To reduce the production cost of Bi-2223 superconducting tapes, Bi-2223/Ag/Ni tapes were fabricated by the powder-in-tube process. The effect of heat treatment on the microstructure and critical current of the Bi-2223/Ag/Ni tapes were studied. The phase compositions of the samples were characterized using XRD. The microstructure was observed using SEM. Experimental results indicate that higher temperature is more conducive to the formation of Bi-2223 phase at an atmosphere of 8.5% O-2. After the two-step heat treatment, the critical current of samples is about 67.5 A.
引用
收藏
页码：556 / 559
页数：4
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