Low-field instabilities in Nb3Sn multifilamentary wires: the possible role of unreacted Nb (Articolo in rivista)

Type
Label
  • Low-field instabilities in Nb3Sn multifilamentary wires: the possible role of unreacted Nb (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Fabbricatore, P; Greco, M; Ferdeghini, C; Bernini, C; Gambardella, U; Celentano, G; Devred, A (2007)
    Low-field instabilities in Nb3Sn multifilamentary wires: the possible role of unreacted Nb
    in Superconductor science and technology (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fabbricatore, P; Greco, M; Ferdeghini, C; Bernini, C; Gambardella, U; Celentano, G; Devred, A (literal)
Pagina inizio
  • L34 (literal)
Pagina fine
  • L37 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 20 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy; INFM, CNRS, LAMIAGenova, I-16146 Genoa, Italy; Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy; ENEA, CR Frascati, I-0044 Frascati, Italy; CEA, DSM, DAPNIA, SACM, F-91191 Gif Sur Yvette, France; CERN, AT MAS, CH-1211 Geneva 23, Switzerland (literal)
Titolo
  • Low-field instabilities in Nb3Sn multifilamentary wires: the possible role of unreacted Nb (literal)
Abstract
  • We report an experimental study aiming to demonstrate the not negligible role of unreacted Nb on the magnetic instabilities in superconducting Nb3Sn multifilamentary wires, observable through partial flux jumps at magnetic field values below 0.5 T. The analysed wires were recently developed for use as dipoles required in future high- energy proton accelerators and are based on powder- in-tube technology. We studied both unreacted (only involving Nb filaments) and reacted wires, finding flux jump instabilities in both cases when performing magnetic measurements. The results can be interpreted on the basis of the critical state model and are coherent with the intrinsic stability criterion. (literal)
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