Optimization of Bi-2223 Precursor Powder Prepared by Co-Precipitation Method

被引：0

作者：

Cui, Li Jun ^{[1
]}

Zhang, Ping Xiang ^{[1
,2
]}

Li, Jin Shan ^{[1
]}

Yan, Guo ^{[3
]}

Liu, Xiang Hong ^{[3
]}

Feng, Yong ^{[3
]}

机构：

[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian, Peoples R China

[2] Northwestern Inst Nonferrous Met Res NIN, Xian, Peoples R China

[3] Western Superconducting Technol WST Co Ltd, NELSM, Xian, Peoples R China

来源：

2015 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD) | 2015年

关键词：

precursor powder; Bi2223; co-precipitation; TAPES;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Bi(Pb)-Sr-Ca-Cu-O(Bi-2223) precursor powder has been prepared by oxalate co-precipitation method with optimum precipitation condition and heat treatment process. The residual ions in the filtrate can be maintained under 0.2 mmol/L by controlling the pH-value and ageing time. The phase compositions include Bi-2212 as a major phase, Bi2201, Ca2PbO4 and AEC after heat treatment at 800 degrees C/10 h, 820 degrees C/20 h, 820 degrees C/25 h in air. The carbon content can be controlled below 100 ppm by annealing at a flowing oxygen atmosphere. Our results shows it can be applied in a large-quantity preparation of Bi-2223 precursor powder.

引用

页码：617 / 618

页数：2

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