Stability of bare and copper-laminated YBCO samples: Experimental & simulation results

Ho Min Kim, Joseph Jankowski, Haigun Lee, Juan Bascuñán, Steven Fleshier, Yukikazu Iwasa

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

In this study of stability of YBCO composite, we investigate quench/recovery behavior of YBCO test samples, bare and copper-laminated, by subjecting each test sample, immersed in a bath of liquid nitrogen boiling at 77.3 K, to a transport current pulse superimposed to a baseline DC current of 90-95% the critical current. The current pulse has an amplitude up to ∼4.5 times the critical current and a duration of 300 ms. This paper presents both experimental and simulation results showing that composite YBCO tape that incorporates a copper lamina stabilizes and to a degree protects the conductor against large over-current pulses.

Original languageEnglish
Pages (from-to)1290-1293
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume14
Issue number2
DOIs
Publication statusPublished - 2004 Jun
Externally publishedYes

Keywords

  • Copper lamination
  • Liquid nitrogen nucleate boiling
  • Stability of coated YBCO

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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