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Commercial MgB2 superconducting wires at Sam Dong

초록

영어

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.

목차

Abstract
1. INTRODUCTION
2. EXPERIMENTAL
3. RESULT AND DISCUSSION
3.1. km급 길이의 상용화 MgB2 초전도 선재
3.2. 구리 부피 분율에 따른 MgB2 초전도 선재의 초전도 특성
3.3. 선재 직경에 따른 MgB2 초전도 선재의 초전도 특성
4. CONCLUSION
ACKNOWLEDGMENT
REFERENCES

저자정보

  • Dong Gun Lee Sam Dong Co., Ltd, Daejeon, Korea
  • Jun Hyuk Choi Sam Dong Co., Ltd, Daejeon, Korea
  • Du Na Kim Sam Dong Co., Ltd, Daejeon, Korea
  • Ju Heum Jeon Sam Dong Co., Ltd, Daejeon, Korea
  • Minoru Maeda Kangwon National University, Gangwon, Korea
  • Seyong Choi Kangwon National University, Gangwon, Korea
  • Jung Ho Kim University of Wollongong, NSW, Australia

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