INFLUENCE OF SN, BA AND MG ADDITION ON THE SUPERCONDUCTING PROPERTIES OF AG SHEATHED BI2223 TAPES

被引：0
|
作者：
KAMO, M
OH, SS
OSAMURA, K
机构：
来源：
JOURNAL OF THE JAPAN INSTITUTE OF METALS | 1992年 / 56卷 / 05期
关键词：
BISMUTH-LEAD-STRONTIUM-CALCIUM-COPPER-OXYGEN SYSTEM; TIN ADDITION; BARIUM ADDITION; MAGNESIUM ADDITION; SUPERCONDUCTING PROPERTY; MICROSTRUCTURE; CRITICAL CURRENT DENSITY; 2223; PHASE; MGO PARTICLE;
D O I：
10.2320/jinstmet1952.56.5_586
中图分类号：
学科分类号：
摘要：
The microstructure change and its influence on superconducting properties have been investigated for the Ag sheathed Bi2223 tapes prepared by adding Sn, Ba and Mg elements to the Bi-Pb-Sr-Ca-Cu-O system. The superconducting properties were apparently improved by the Ba or Mg addition. This may be attributed to the dense and textured structure produced by the Ba addition or the fine dispersion of MgO particles produced by the Mg addition. On the other hand, the superconducting property of Sn added tapes was found to be inferior to that of none added tape, because the volume fraction of 2223 phase decreased by the Sn addition.
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页码：586 / 591
页数：6
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