Superconducting shields and manufactured ceramic wares of complex configuration

A technology has been developed for fabrication of magnetic shields and other high technological wares of superconducting yttrium-barium-copper ceramic by hot casting under pressure. The method enables to form wares of complex configurations and different sizes without any additional machining. The...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 1991-12, Vol.185, p.2491-2492
Main Authors: Fedorov, Vladimir E., Pletnev, Peter M., Korpachev, Michael G., Korpacheva, Anastasiya I., Mazhara, Anatoly P., Dikovskij, Valery Ja, Gindulina, Venera Z., Potapova, Olga G.
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Electrotechnical and electronic ceramics
Exact sciences and technology
Technical ceramics
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Summary:A technology has been developed for fabrication of magnetic shields and other high technological wares of superconducting yttrium-barium-copper ceramic by hot casting under pressure. The method enables to form wares of complex configurations and different sizes without any additional machining. The method of hot casting under pressure allows to obtain superconducting shields with a fair homogeneity of the critical field over the shielding length. At working temperature 77, 4K the shields have a threshold screening field H c ∗ about 1.5 mT, high screening factor (S>10 4) and low intrinsic noise level (
ISSN:0921-4534
1873-2143
DOI:10.1016/0921-4534(91)91370-J