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Title

The EuCARD2 Future Magnets Program for Particle Accelerator High-Field Dipoles: Review of Results and Next Steps

Authors
Rossi, Lucio
Badel, Arnaud
Bajas, Hugues
Bajko, Marta
Ballarino, Amalia
Betz, Ulrich
Bottura, Luca
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Published in IEEE Transactions on Applied Superconductivity. 2018, vol. 28, no. 3, p. 1-10
Abstract The EuCARD2 collaboration aims at the development of a 10 kA-class superconducting, high current density cable suitable for accelerator magnets, to be tested in small coils and magnets capable to deliver 3-5 T when energized in stand-alone mode, and 15-18 T when inserted in a 12-13 T background magnet. REBCO tape, assembled in a Roebel cable, was selected as conductor. The developed REBCO tape has reached a record engineering critical current density, at 4.2 K and 18 T of 956 A/mm2. Roebel cable carried up to 13 kA at 20 K when tested in a small coil (FeatherM0.4). Then a first dipole magnet, wound with two low-grade Roebel cables of 25 m each, was assembled and tested. The dipole reached the short sample critical current of 6 kA generating more than 3 T central field at about 5.7 K, with indications of good current transfer among cable strands and of relatively soft transition. The construction of a costheta dipole is also discussed. Eucard2 is reaching its objective and is continuing with the H2020-ARIES program aiming at doubling the Je at 20 T to obtain 6 T as standalone and 18 T as insert in a high field facility.
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Other version: http://ieeexplore.ieee.org/document/8239658/
Structures
Research group Groupe Senatore
Project FP7-EuCARD2 Grant Agreement 312453
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ROSSI, Lucio et al. The EuCARD2 Future Magnets Program for Particle Accelerator High-Field Dipoles: Review of Results and Next Steps. In: IEEE Transactions on Applied Superconductivity, 2018, vol. 28, n° 3, p. 1-10. https://archive-ouverte.unige.ch/unige:101708

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Deposited on : 2018-01-29

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