STUDY OF INDIVIDUAL PHASE-COMPOSITION IN MULTIPHASE CERAMICS OF BI-PB-CA-SR-CU-O SYSTEM

被引：6

作者：

VASILYEVA, I ^{[1
]}

ZHU, JZ ^{[1
]}

SHILKINA, T ^{[1
]}

GIBNER, Y ^{[1
]}

KUROPYATNIK, I ^{[1
]}

GROMILOV, S ^{[1
]}

MALAKHOV, V ^{[1
]}

机构：

[1] ACAD SINICA,SHANGHAI INST MET,SHANGHAI 200050,PEOPLES R CHINA

来源：

MATERIALS RESEARCH BULLETIN | 1991年 / 26卷 / 04期

关键词：

OXIDE; BISMUTH; LEAD; COPPER; STRONTIUM; CALCIUM;

D O I：

10.1016/0025-5408(91)90019-I

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The new chemical method of the phase analysis, differential dissolution was used to determine the amount and the composition of each phase in multiphase samples of the Bi-Pb-Ca-Sr-Cu-O system. The results obtained were in agreement with the x-ray, chi (T), microprobe analysis data. The 50% Bi lack has been observed for the high Tc-phase with 2223 structure. It was shown that the most of crystalline grains of low Tc-phase with 2212 structure are smaller than 10(-5) cm in size. These facts are believed to result from the formation mechanism of superconducting phases. The later is discussed as well.

引用

页码：255 / 260

页数：6

共 11 条

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