Conductor development for a wide bore 10 T Nb3Sn model dipole magnet


Ouden, Andries den and Wessel, Sander and Kate, Herman ten and Kirby, Glyn and Taylor, Tom and Siegel, Norbert (2000) Conductor development for a wide bore 10 T Nb3Sn model dipole magnet. IEEE Transactions on Applied Superconductivity, 10 (1). pp. 302-305. ISSN 1051-8223

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Abstract:An 87.8 mm bore single aperture 10 T Nb3Sn model dipole magnet is under development as a next step in the realization of high-field Nb3Sn dipole magnets. The magnet is a 2 layer cos(&thetas;)-dipole model as an alternative for the proposed NbTi D1 beam separator magnets for the LHC. After completion of the general magnetic and mechanical design, all attention is focused on the manufacturing and cabling of a novel powder-in-tube Nb3Sn conductor. This Nb3Sn conductor is characterized by a high non-Cu Jc of 2680 A/mm2 at 10 T with an effective filament size of about 20 ¿m. Cabling should result in a Rutherford type of cable exhibiting a moderate Jc degradation due to the cabling process itself, a low transverse stress sensitivity and a controllable minimum value of Rc. The conductor development program is presented and the results are evaluated. Progress on the actual realization of the coils is briefly described
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Copyright:©2000 IEEE
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