Commercial mgb2 superconducting wires at Sam Dong



Publication Details

Lee, D., Choi, J., Kim, D., Jeon, J., Maeda, M., Choi, S. & Kim, J. (2020). Commercial mgb2 superconducting wires at Sam Dong. Progress in Superconductivity and Cryogenics (PSAC), 22 (2), 26-31.


© 2020, Korea Institute of Applied Superconductivity and Cryogenics. All rights reserved. Since 2014, Sam Dong Co., Ltd. has successfully developed high-performance MgB2 superconducting wires with a kilometer-scale. Herein, we studied performances of various MgB2 wires fabricated by the Sam Dong with different Cu fractions and diameters for practical applications. Critical current densities of our commercial wire, 18+‘1’Cu multifilamentary MgB2 wire, are estimated to be 270,000 A/cm2 at 3 T and 4.2 K and 100,000 A/cm2 at 2 T and 20 K, respectively. We further discuss research progress of various MgB2 superconducting wires at Sam Dong Co., Ltd and make an effort to align with customers’ requirements.

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