Rapid synthesis of the Bi(Pb)-2223 110 K superconductor by the EDTA sol-gel method

被引：50

作者：

Rouessac, V ^{[1
]}

Wang, J ^{[1
]}

Provost, J ^{[1
]}

Desgardin, G ^{[1
]}

机构：

[1] UNIV CAEN, F-14050 CAEN, FRANCE

来源：

JOURNAL OF MATERIALS SCIENCE | 1996年 / 31卷 / 13期

关键词：

D O I：

10.1007/BF00360738

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

EDTA sol-gel methods have previously been employed successfully to synthesize Bi(Pb)-2223 phase. But heat-treatment optimization to transform the precursor solution into the final 2223 powder seems to have been neglected, leading to long heat-treatment times as in the classical powder method. In this paper, a route is proposed to accelerate 2223 phase kinetics formation, by improving calcination, sintering and intermediate grindings. Thus a nearly pure 2223 powder is obtained consecutive to a relatively short total duration of heat treatment.

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页码：3387 / 3390

页数：4

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