Conceptual Design of A 20 T Dipole Based on Hybrid REBCO/Nb3Sn Cos-theta Coil*

A. V. Zlobin (1) ((1) Fermilab; Batavia; IL; USA)

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Conceptual Design of A 20 T Dipole Based on Hybrid REBCO/Nb3Sn Cos-theta Coil*

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arxiv 2408.11023 v1 pith:DWSTS3NI submitted 2024-08-20 physics.acc-ph

A. V. Zlobin (1) ((1) Fermilab , Batavia , IL , USA) This is my paper · ORCID

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keywords coilcos-thetaconceptdesigndipolehighhybridmagnet

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This paper presents a design concept of an HTS/LTS hybrid dipole with 50 mm aperture and 20 T nominal field based on a cos-theta coil and a cold iron yoke. The HTS part of magnet coil uses REBCO Twisted Stacked Tape cable. The LTS part is graded and made of two Nb3Sn Rutherford cables. Due to high sensitivity of HTS/LTS coils to large stresses and strains at high fields, a Stress Management (SM) concept combined with the cos-theta coil geometry is used. The results of magnet magnetic analysis are presented and discussed.

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