Performance analysis of HD1: a 16 Tesla Nb3Sn dipole Magnet

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The Superconducting Magnet Group at Lawrence Berkeley National Laboratory (LBNL) has been developing technology for high field accelerator magnets from brittle conductors. HD1 is a single bore block dipole magnet using two, double-layer Nb{sub 3}Sn flat racetrack coils. The magnet was tested in October 2003 and reached a bore peak field of 16 T (94.5% of short sample). The average quench current plateau appeared to be limited by 'stick slip' conductor motions. Diagnostics recorded quench origins and preload distributions. Cumulative deformation of the mechanical structure has been observed. Quench velocity in different field regions has been measured and compared with ... continued below

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Mattafirri, S.; Bartlett, S. E.; Bish, P. A.; Caspi, S.; Dietderich, D. R.; Ferracin, P. et al. June 1, 2005.

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The Superconducting Magnet Group at Lawrence Berkeley National Laboratory (LBNL) has been developing technology for high field accelerator magnets from brittle conductors. HD1 is a single bore block dipole magnet using two, double-layer Nb{sub 3}Sn flat racetrack coils. The magnet was tested in October 2003 and reached a bore peak field of 16 T (94.5% of short sample). The average quench current plateau appeared to be limited by 'stick slip' conductor motions. Diagnostics recorded quench origins and preload distributions. Cumulative deformation of the mechanical structure has been observed. Quench velocity in different field regions has been measured and compared with model predictions. The results obtained during the HD1 test are presented and discussed.

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  • Journal Name: IEEE Transactions on Applied Superconductivity; Journal Volume: 15; Journal Issue: 2

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  • Report No.: LBNL-54890
  • Grant Number: DE-AC02-05CH11231
  • DOI: 10.1109/TASC.2005.849518 | External Link
  • Office of Scientific & Technical Information Report Number: 951106
  • Archival Resource Key: ark:/67531/metadc925755

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  • June 1, 2005

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  • Nov. 13, 2016, 7:26 p.m.

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  • Jan. 4, 2017, 3:18 p.m.

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Mattafirri, S.; Bartlett, S. E.; Bish, P. A.; Caspi, S.; Dietderich, D. R.; Ferracin, P. et al. Performance analysis of HD1: a 16 Tesla Nb3Sn dipole Magnet, article, June 1, 2005; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc925755/: accessed December 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.