Batch production of YBCO disks for levitation applications

V. Plechacek, M. Jirsa, M. Rames, M. Muralidhar

Research output: Contribution to journalConference article

13 Citations (Scopus)

Abstract

Batch melt-growth processing of YBa2Cu3Oy levitation disks cold seeded by Sm-123 single crystals doped by MgO is described. The process capable of a simultaneous fabrication of up to 64 pieces has been developed and successfully tested as a necessary step towards a planned production capacity of several thousand pieces a year. Diameters of the levitation disks varied from 14 mm to 56 mm. Main attention was paid to levitation disks of 28 mm in diameter. This dimension occurs to be the best compromise from various points of view: The material homogeneity, pellet quality, production loss, processing time etc. Properties of the disks, such as levitation force, critical current density at different temperatures, trapped magnetic field, etc. are shown and discussed.

Original languageEnglish
Pages (from-to)538-543
Number of pages6
JournalPhysics Procedia
Volume36
DOIs
Publication statusPublished - 2012 Jan 1
EventSuperconductivity Centennial Conference, SCC 2011 - The Hague, Netherlands
Duration: 2011 Sep 182011 Sep 23

Keywords

  • Batch production
  • Critical current density
  • Levitation
  • Levitation force
  • Trapped magnetic field
  • Ybco disk

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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