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Article Dans Une Revue IEEE Transactions on Applied Superconductivity Année : 2022

Metal-as-Insulation HTS Insert for Very-High-Field Magnet: A Test Report After Repair

Résumé

This study is a sequel to our previous study on a 38 mm diameter cold bore metal-as-insulation (MI) HTS insert that reached 32.5 T in a 18 T background magnetic field. For refurbishing, 7 MI double-pancake (DP) coils were re-wound with used REBCO tapes to just replace the damaged HTS pieces by new ones at inner junctions. 2 DP coils were fully fabricated using new REBCO tapes. The new assembled insert was then tested under various background magnetic fields at 4.2 K. The key focuses of this paper are: 1) the damages in the DP coils; 2) their repair; 3) the characteristics resistance change of the insert; 4) the resistance value of each DP coil; 5) the maximum field of the HTS-resistive hybrid magnet; and 6) the field stability estimation of the hybrid by NMR characterization.
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Dates et versions

hal-03759460 , version 1 (20-03-2024)

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Jung-Bin Song, Xavier Chaud, Francois Debray, Steffen Kramer, Philippe Fazilleau, et al.. Metal-as-Insulation HTS Insert for Very-High-Field Magnet: A Test Report After Repair. IEEE Transactions on Applied Superconductivity, 2022, 32 (6), pp.4300206. ⟨10.1109/TASC.2022.3150622⟩. ⟨hal-03759460⟩
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