Development and testing of YBaCuO rings for a gravimeter

YBaCuO rings with an outer diameter of about 20 mm were prepared by the MTG method. The influence of cooling conditions and composition on the structure and critical current density of the rings was investigated. The interaction of the rings with frozen magnetic fluxes was examined using a specially...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 1997-06, Vol.7 (2), p.1933-1936
Main Authors: Petrenko, V.T., Tikhonovsky, M.A., Tortika, A.S., Rudycheva, T.Y., Lapina, N.V., Verozub, L.V., Ozerov, M.P., Yemets, V.M.
Format: Article
Language:English
Subjects:
Cooling
Critical current density
Exact sciences and technology
Gravity measurement
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Magnetic separation
Physics
Powders
Pulse measurements
Superconducting coils
Superconducting magnets
Testing
Vacuum apparatus and techniques
Vacuum gauges
Yttrium barium copper oxide
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Summary:YBaCuO rings with an outer diameter of about 20 mm were prepared by the MTG method. The influence of cooling conditions and composition on the structure and critical current density of the rings was investigated. The interaction of the rings with frozen magnetic fluxes was examined using a specially designed device having a force measurement sensitivity of 10/sup -8/ N. The correlation between theoretical calculations and experimental data concerning the interaction of the rings is discussed.
ISSN:1051-8223
1558-2515
DOI:10.1109/77.620964