Development of MgB2-based bulk supermagnets

Michael R. Koblischka, Alexander Wiederhold, Miryala Muralidhar, K. Inoue, Thomas Hauet, Bruno Douine, Kevin Berger, Masato Murakami, Uwe Hartmann

研究成果: Article

12 引用 (Scopus)


A series of disk-shaped, bulk MgB2 superconductors (sample diameter 20 mm, reaction temperatures ranging between 750 °C and 950 °C) was prepared to improve the performance for superconducting supermagnets. These samples were characterized by magnetic and electric measurements in fields up to 7 T and at various temperatures 10 K <T< 35 K. The irreversibility lines, the current densities, the resistance, and the achievable trapped fields were determined. To analyze the data, a scaling of the flux pinning forces, Fp = jc × B, was performed. The different scaling behavior of the samples prepared at low- and high-reaction temperatures is discussed, considering the achieved microstructures.

ジャーナルIEEE Transactions on Magnetics
出版物ステータスPublished - 2014 11 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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    Koblischka, M. R., Wiederhold, A., Muralidhar, M., Inoue, K., Hauet, T., Douine, B., Berger, K., Murakami, M., & Hartmann, U. (2014). Development of MgB2-based bulk supermagnets. IEEE Transactions on Magnetics, 50(11), [6971268].