Normal transition and propagation characteristics of YBCO tape

Atsushi Ishiyama, Masahiro Yanai, Toru Morisaki, Hiroshi Ueda, Yuh Shiohara, Teruo Izumi, Yasuhiro Iijima, Takashi Saitoh

    Research output: Contribution to journalArticle

    55 Citations (Scopus)

    Abstract

    YBCO tape is expected to be used in future HTS applications, because it has better Jc characteristic in high temperatures and in high applied magnetic fields. It is important to consider the stability in superconducting applications. To establish the stability criterion for coated conductors, the characteristics of the transition to the normal state and normal-zone propagation in YBCO sample tapes were examined experimentally and numerically. The YBCO sample tapes were produced by IBAD/PLD method. Measurements were performed as a function of both heat input and operating current for operating temperatures of 55 K, 60 K, and 65 K in a background magnetic field of 5 T. The experimental results were compared with a simulation using a newly developed computer program based on the finite element method (FEM). In the computer program, the I - V characteristics of the YBCO sample tapes were taken into account. The computer program could simulate the normal transition and propagation phenomena and its validity was confirmed. The influence of the thickness of a Ag-stabilizer on the transient thermal behavior of YBCO tapes was examined experimentally and numerically and the results were presented here.

    Original languageEnglish
    Pages (from-to)1659-1662
    Number of pages4
    JournalIEEE Transactions on Applied Superconductivity
    Volume15
    Issue number2 PART II
    DOIs
    Publication statusPublished - 2005 Jun

    Fingerprint

    Tapes
    tapes
    propagation
    Computer program listings
    computer programs
    Magnetic fields
    Ion beam assisted deposition
    Stability criteria
    Pulsed laser deposition
    operating temperature
    magnetic fields
    finite element method
    conductors
    Finite element method
    heat
    Temperature
    simulation
    Hot Temperature

    Keywords

    • Minimum quench energy
    • Normal transition and propagation
    • Thickness of Ag-stabilizer
    • YBCO tape

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Physics and Astronomy (miscellaneous)

    Cite this

    Ishiyama, A., Yanai, M., Morisaki, T., Ueda, H., Shiohara, Y., Izumi, T., ... Saitoh, T. (2005). Normal transition and propagation characteristics of YBCO tape. IEEE Transactions on Applied Superconductivity, 15(2 PART II), 1659-1662. https://doi.org/10.1109/TASC.2005.849225

    Normal transition and propagation characteristics of YBCO tape. / Ishiyama, Atsushi; Yanai, Masahiro; Morisaki, Toru; Ueda, Hiroshi; Shiohara, Yuh; Izumi, Teruo; Iijima, Yasuhiro; Saitoh, Takashi.

    In: IEEE Transactions on Applied Superconductivity, Vol. 15, No. 2 PART II, 06.2005, p. 1659-1662.

    Research output: Contribution to journalArticle

    Ishiyama, A, Yanai, M, Morisaki, T, Ueda, H, Shiohara, Y, Izumi, T, Iijima, Y & Saitoh, T 2005, 'Normal transition and propagation characteristics of YBCO tape', IEEE Transactions on Applied Superconductivity, vol. 15, no. 2 PART II, pp. 1659-1662. https://doi.org/10.1109/TASC.2005.849225
    Ishiyama, Atsushi ; Yanai, Masahiro ; Morisaki, Toru ; Ueda, Hiroshi ; Shiohara, Yuh ; Izumi, Teruo ; Iijima, Yasuhiro ; Saitoh, Takashi. / Normal transition and propagation characteristics of YBCO tape. In: IEEE Transactions on Applied Superconductivity. 2005 ; Vol. 15, No. 2 PART II. pp. 1659-1662.
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