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CeO2-ZrO2 insulation coatings on Ag/AgMg sheathed Bi-2212 superconducting tapes by sol-gel process for magnet technology

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5 Author(s)
Celik, E. ; NHMFL, Florida State Univ., Tallahassee, FL, USA ; Akin, Y. ; Avci, E. ; Sigmund, Wolfgang
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In this research, preparation, structure, morphology and thermal properties of 4, 6, 8, 9 and 12 mole% CeO2-ZrO2 insulation coatings on Ag and/or AgMg/Bi-2212 superconducting tapes were studied for the magnet technologies. These coatings were prepared by reel-to-reel sol-gel method using a solution of Zr and Ce based precursors. The coatings were annealed at 850°C for 24 h under oxygen gas flowing. The structure of coatings was characterized by SEM, EDS, TGA and XRD. The investigation showed that dense, fully cubic phase CeO2-ZrO2 insulation coatings with 8-10 Fm were deposited on Ag and/or AgMg/Bi-2212 superconducting tapes.

Published in:

Applied Superconductivity, IEEE Transactions on  (Volume:12 ,  Issue: 1 )