Status of powder-in-tube Nb(3)Sn conductor development at Supercon

Status of powder-in-tube Nb(3)Sn conductor development at Supercon

Multifilament Nb(3)Sn superconductor has been produced by the powder-in-tube approach. The conductor possesses filament diameters below 60 micrometers with layer Jc of 4158 A/mm(2) at 12 T and 4.2 K. Niobium tube fabrication, wire processing, filament uniformity, and Nb(3)Sn microstructure are discu...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2003-06, Vol.13 (2), p.3490-3493
Hauptverfasser: Renaud, C V, Motowidlo, L R, Wong, T
Format: Artikel
Sprache:eng
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Zusammenfassung:Multifilament Nb(3)Sn superconductor has been produced by the powder-in-tube approach. The conductor possesses filament diameters below 60 micrometers with layer Jc of 4158 A/mm(2) at 12 T and 4.2 K. Niobium tube fabrication, wire processing, filament uniformity, and Nb(3)Sn microstructure are discussed, and the superconducting properties are presented. A process for producing phase pure NbSn(2) powder of 1-5 micrometer particle size has been developed and is discussed along with plans for further conductor improvements.
ISSN:1051-8223
DOI:10.1109/TASC.2003.812377