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Dhakarwal, M.; Sugano, M.; Ogitsu, T.; Kawashima, S.; Nishijima, G.; Banno, N.
IEEE transactions on applied superconductivity, 2022-Sept., Letnik: 32, Številka: 6Journal Article
New generation accelerators, such as future circular collider (FCC), require superconducting wires with non-copper J c of 1500 A/mm 2 at 16 T and 4.2 K. Kobe Steel Ltd. developed Nb 3 Sn conductors with elemental addition to achieve the target J c for FCC. The effect of zinc addition to the copper matrix on the superconducting properties and mechanical strength of the distributed tin (DT) method processed Nb 3 Sn wire is studied. In the present study, the I c -strain characteristics were evaluated using Walters springs (WASP) at 16 T and 4.2 K to investigate the impact of copper (Cu) and brass (Cu-Zn) matrix on further J c improvement and mechanical robustness.
