Composite reaction texturing of superconducting ceramic composites
Textured composite Bi2Sr2Ca1Cu2O8+a (2212) conductors have been fabricated by a novel method termed composite reaction texturing (CRT) that makes use of inert whiskers or fibers to align superconducting grains and control their morphology. The process has two stages, the initial alignment of fibre m...
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Veröffentlicht in: | Applied physics letters 1992-06, Vol.60 (25), p.3183-3185 |
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creator | SOYLU, B ADAMOPOULOS, N GLOWACKA, D. M EVETTS, J. E |
description | Textured composite Bi2Sr2Ca1Cu2O8+a (2212) conductors have been fabricated by a novel method termed composite reaction texturing (CRT) that makes use of inert whiskers or fibers to align superconducting grains and control their morphology. The process has two stages, the initial alignment of fibre material in a precursor followed by a composite reaction stage to develop a textured microstructure. In this work, disk-shaped pellets with whisker alignment in the pellet plane were reacted to produce CRT material with a transport critical-current density in excess of 4×103 A cm−2 at 77 K (B=0). At 4.5 K, the critical-current density was ∼105 A cm−2 in zero field and 2.104 A cm−2 at 12 T. The method clearly has promise for the production by a wind-and-react technique of high critical-current conductors with large cross sections. |
doi_str_mv | 10.1063/1.106736 |
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The method clearly has promise for the production by a wind-and-react technique of high critical-current conductors with large cross sections.</description><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Growth from melts; zone melting and refining</subject><subject>Materials science</subject><subject>Methods of crystal growth; physics of crystal growth</subject><subject>Physics</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNo9kE9LxDAQxYMouK6CH6EHES_VTCZpm6Mu_oMFL3oO6TSRStvUpAX99lZ29fSYmd88Ho-xc-DXwAu8gV8psThgK-BlmSNAdchWnHPMC63gmJ2k9LGMSiCu2N0m9GNI7eSy6CxNbRiyyX1Nc2yH9yz4LM2jixSGZl6Oy4pctH1LGf39pVN25G2X3Nle1-zt4f5185RvXx6fN7fbnESlphx01VAtFXhdSFc5RCHJFha0byxYKUFIz3nD5ZK7ds4D1dgIQiLFa9K4Zpc73zGGz9mlyfRtItd1dnBhTkYoVWgt1AJe7UCKIaXovBlj29v4bYCb35IMmF1JC3qx97SJbOejHahN_7zCCrHU-ANZ7Wa6</recordid><startdate>19920622</startdate><enddate>19920622</enddate><creator>SOYLU, B</creator><creator>ADAMOPOULOS, N</creator><creator>GLOWACKA, D. 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subjects | Cross-disciplinary physics: materials science rheology Exact sciences and technology Growth from melts zone melting and refining Materials science Methods of crystal growth physics of crystal growth Physics |
title | Composite reaction texturing of superconducting ceramic composites |
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