Degradation analysis of REBCO coils

D. X. Ma, S. Matsumoto, R. Teranishi, T. Ohmura, T. Kiyoshi, A. Otsuka, M. Hamada, H. Maeda, Y. Yanagisawa, H. Nakagome, H. Suematsu

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)

    Abstract

    RE-Ba-Cu-O (REBCO) layer-wound coils were operated to investigate their properties under electromagnetic forces in an external magnetic field of up to 17.2 T. While REBCO coils were successfully operated under electromagnetic forces over 200 MPa, some showed degradation after quenching. To develop high-temperature superconducting (HTS) magnets, the reasons for the degradation of REBCO coils should be investigated. In this study, the degraded REBCO coils were carefully rewound. The critical current (Ic) of the rewound REBCO conductor was measured to check the damaged parts in the degraded REBCO coils, and the possible causes for the degradation were discussed.

    Original languageEnglish
    Article number085014
    JournalSuperconductor Science and Technology
    Volume27
    Issue number8
    DOIs
    Publication statusPublished - Aug 1 2014

    All Science Journal Classification (ASJC) codes

    • Ceramics and Composites
    • Condensed Matter Physics
    • Metals and Alloys
    • Electrical and Electronic Engineering
    • Materials Chemistry

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