Strain characteristics of Ic in brass-laminated GdBCO CC tape under tension at various low temperature and magnetic field conditions

Zhierwinjay Bautista, Mark Angelo Diaz, Hyung Seop Shin, Jae Hun Lee, Hidetoshi Oguro, Satoshi Awaji

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Transport properties of coated conductor tapes can be affected by stress and strain induced during fabrication, cool-down, and operation. Therefore, it is important to understand the strain/stress dependence of the critical current of the coated conductor tapes in the reversible region under magnetic field considering practical applications such as magnets and coils. In this paper, the strain characteristics of critical current, Ic, in high temperature superconducting (HTS)-coated conductor tapes fabricated using reactive co-evaporation by deposition and reaction reinforced with brass-foil laminate were investigated under external magnetic field at various cryogenic temperatures while applying uniaxial tension. Results show that Ic dependences on magnetic field and temperature were similar between brass-laminated coated conductor and Cu-stabilized tape. The irreversible strain limit and the irreversible stress limit of brass-laminated coated conductor tape increased as temperature decreased from 77 to 20 K. This behavior resulted from thermal hardening of the coated conductor tape at low temperature.

本文言語English
論文番号8401004
ジャーナルIEEE Transactions on Applied Superconductivity
28
3
DOI
出版ステータスPublished - 2018 4

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

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