An investigation of critical current densities in bronze-processed commercial multifilamentary superconducting Nb₃Sn wires

Y. S. Hascicek University of Oxford, Department of Metallurgy and Science of Materials, Parks Road, Oxford, OX1 3PH, England; Department of Physics, The Florida State University, Tallahassee, Florida, 32306-3016, U.S.A

M. J. Goringe University of Oxford, Department of Metallurgy and Science of Materials, Parks Road, Oxford, OX1 3PH, England

s. Nourbakhsh University of Oxford, Department of Metallurgy and Science of Materials, Parks Road, Oxford, OX1 3PH, England; Metallurgy and Materials Science, Polytechnic University, 333 Jay Street, Brooklyn, New York, 11201, U.S.A

Abstract

Critical current densities of bronze-processed commercial multifilamentary superconducting Nb₃Sn wires reacted at different constant temperatures for various periods of time have been measured in varying external magnetic fields at 4·2 K. These results are discussed and extrapolated values of H _c2 deduced. The results reported here are also correlated with microstructural observations made on samples of the same wires, and described in the accompanying paper.

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An investigation of critical current densities in bronze-processed commercial multifilamentary superconducting Nb₃Sn wires

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An investigation of critical current densities in bronze-processed commercial multifilamentary superconducting Nb3Sn wires

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An investigation of critical current densities in bronze-processed commercial multifilamentary superconducting Nb₃Sn wires