Low-field Instabilities in Nb$_{3}$Sn Multifilamentary Wires: the Possible Role of Unreacted Nb

We report an experimental study aiming to demonstrate the not negligible role of unreacted Nb on the magnetic instabilities in superconducting Nb$_{3}$Sn multifilamentary wires, observable through partial flux jumps at magnetic field values below 0.5 T. The analysed wires were recently developed for...

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Detalles Bibliográficos
Autores principales: Devred, A, Bernini, C, Celentano, G, Fabbricatore, P, Ferdeghini, C, Greco, M, Gambardella, U
Lenguaje:eng
Publicado: 2007
Materias:
Accelerators and Storage Rings
Acceso en línea:https://dx.doi.org/10.1088/0953-2048/20/6/L03
http://cds.cern.ch/record/1050927
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author Devred, A
Bernini, C
Celentano, G
Fabbricatore, P
Ferdeghini, C
Greco, M
Gambardella, U
author_facet Devred, A
Bernini, C
Celentano, G
Fabbricatore, P
Ferdeghini, C
Greco, M
Gambardella, U
author_sort Devred, A
collection CERN
description We report an experimental study aiming to demonstrate the not negligible role of unreacted Nb on the magnetic instabilities in superconducting Nb$_{3}$Sn 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.
id cern-1050927
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2007
record_format invenio
spelling cern-10509272019-09-30T06:29:59Zdoi:10.1088/0953-2048/20/6/L03http://cds.cern.ch/record/1050927engDevred, ABernini, CCelentano, GFabbricatore, PFerdeghini, CGreco, MGambardella, ULow-field Instabilities in Nb$_{3}$Sn Multifilamentary Wires: the Possible Role of Unreacted NbAccelerators and Storage RingsWe report an experimental study aiming to demonstrate the not negligible role of unreacted Nb on the magnetic instabilities in superconducting Nb$_{3}$Sn 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.CERN-AT-2007-020-MCSCARE-Pub-07-003CARE-Pub-2007-003oai:cds.cern.ch:10509272007-08-03
spellingShingle Accelerators and Storage Rings
Devred, A
Bernini, C
Celentano, G
Fabbricatore, P
Ferdeghini, C
Greco, M
Gambardella, U
Low-field Instabilities in Nb$_{3}$Sn Multifilamentary Wires: the Possible Role of Unreacted Nb
title Low-field Instabilities in Nb$_{3}$Sn Multifilamentary Wires: the Possible Role of Unreacted Nb
title_full Low-field Instabilities in Nb$_{3}$Sn Multifilamentary Wires: the Possible Role of Unreacted Nb
title_fullStr Low-field Instabilities in Nb$_{3}$Sn Multifilamentary Wires: the Possible Role of Unreacted Nb
title_full_unstemmed Low-field Instabilities in Nb$_{3}$Sn Multifilamentary Wires: the Possible Role of Unreacted Nb
title_short Low-field Instabilities in Nb$_{3}$Sn Multifilamentary Wires: the Possible Role of Unreacted Nb
title_sort low-field instabilities in nb$_{3}$sn multifilamentary wires: the possible role of unreacted nb
topic Accelerators and Storage Rings
url https://dx.doi.org/10.1088/0953-2048/20/6/L03
http://cds.cern.ch/record/1050927
work_keys_str_mv AT devreda lowfieldinstabilitiesinnb3snmultifilamentarywiresthepossibleroleofunreactednb
AT berninic lowfieldinstabilitiesinnb3snmultifilamentarywiresthepossibleroleofunreactednb
AT celentanog lowfieldinstabilitiesinnb3snmultifilamentarywiresthepossibleroleofunreactednb
AT fabbricatorep lowfieldinstabilitiesinnb3snmultifilamentarywiresthepossibleroleofunreactednb
AT ferdeghinic lowfieldinstabilitiesinnb3snmultifilamentarywiresthepossibleroleofunreactednb
AT grecom lowfieldinstabilitiesinnb3snmultifilamentarywiresthepossibleroleofunreactednb
AT gambardellau lowfieldinstabilitiesinnb3snmultifilamentarywiresthepossibleroleofunreactednb

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