Critical Current Density and Current Transfer Length of Multifilamentary [Formula Omitted] Strands of Various Design

In this paper, a series of high-performing powder-in-tube [Formula Omitted] strands have been prepared. Transport voltage-current measurements were performed to determine the effects of C doping and strand geometry such as filament numbers. The best [Formula Omitted] for our samples was [Formula Omi...

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Published inIEEE transactions on applied superconductivity Vol. 23; no. 3; p. 6200204
Main Authors Li, G. Z, Reddy, K. M, Zwayer, J. B, Kuldell, M. A, Susner, M. A, Yang, Y, Sumption, M. D, Yue, J. J, Rindfleisch, M. A, Tomsic, M. J, Thong, C. J, Collings, E. W
Format Journal Article
LanguageEnglish
Published New York The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 01.06.2013
Subjects
Correlation
Filaments
Nickel base alloys
Niobium
Strands
Superconductivity
Transport
Wire
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Summary:In this paper, a series of high-performing powder-in-tube [Formula Omitted] strands have been prepared. Transport voltage-current measurements were performed to determine the effects of C doping and strand geometry such as filament numbers. The best [Formula Omitted] for our samples was [Formula Omitted] at 4.2 K, 7 T, for a strand using B powder with 3% C addition. The current transfer length was also measured for [Formula Omitted] short wires with Nb chemical barrier and Monel outer sheath. The current transfer length ranged from 2 to 12 mm, and had a correlation with the filament numbers.
Bibliography:ObjectType-Article-1
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content type line 23
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2012.2230293