The development of the superconducting phase and the origin of potential current limiting defects in Bi-2223 tapes

被引：0
|
作者：
Holesinger, TG [1 ]
Bingert, JF [1 ]
Parrella, RD [1 ]
Riley, GN [1 ]
机构：
[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA
来源：
ADVANCES IN CRYOGENIC ENGINEERING, VOLS 48A AND B | 2002年 / 614卷
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D O I：
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中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Controlling phase development and optimizing grain-to-grain connectivity are tile primary issues that affect the performance of (Bi,Pb)(2)Sr2Ca2Cu3O10-x (Bi-2223) multifilamentary tapes. Analytical electron microscopy was used to identify defects in these tapes that were either structural, compositional, or a combination of the two. Defects are introduced into the filament microstructure either intrinsically through the normal evolution of phases or extrinsically by various aspects of tile thermo-mechanical processing. Relationships between connectivity and microstructure are discussed in light of the present understanding of current transport in Bi-2223 tapes.
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页码：724 / 731
页数：8
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