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MgB2/Cu Racetrack Coil: Winding and Transport Testing
M. D. Sumption, M. Bhatia, M. Rindfleisch +3
A racetrack coil using MgB2/Cu strand has been fabricated and tested for transport current density at 4.2 K in self field. The monofilamentary strand was 1.0 mm OD and insulated wi…
Large Upper Critical Field and Irreversibility Field in MgB2 wires with SiC additions
M. D. Sumption, M. Bhatia, E. W. Collings +4
Resistive transition measurements are reported for Magnesium diboride strands with SiC dopants. The SiC was added as 10 mol of SiC to 90 mol of binary magnesium diboride. Three dif…
Irreversibility Field and Flux Pinning in MgB2 with and Without SiC Additions
M. D. Sumption, M. Bhatia, E. W. Collings +4
Critical current density was measured at 4.2 K for MgB2 strands with and without SiC additions. In some cases measurements were performed on longer (1 m) samples wound on barrels,…
Transport and magnetic Jc of MgB2 strands and small helical coils
M. D. Sumption, M. Bhatia, M. Rindfleisch +2
The critical current densities of MgB2 monofilamentary strands with and without SiC additions were measured at 4.2 K. Additionally, magnetic Jc at B = 1 T was measured from 4.2 K t…
Multifilamentary, in-situ Route, Cu-stabilized MgB2 Strands
M. D. Sumption, M. Bhatia, X. Wu +3
Transport critical current densities and n-values were measured at 4.2 K in fields up to 15 T on 7, 19, and 37-stack multifilamentary MgB2 strands made using an in-situ route. Some…