Nanostructured Low-Resistance Ceramics Based on the Bi–Pb–Sr–Ca–Cu–O System Produced by Solar Technology

The article presents the development relevance of melt technologies in obtaining highly textured superconducting bulk ceramics. The fundamentals of the P. J. McGinn melt method based on slow melt cooling while maintaining a flat crystallization frontline and energy-saving technology (Solar Fast Allo...

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Bibliographic Details
Published in:Refractories and industrial ceramics 2022-05, Vol.63 (1), p.60-65
Main Authors: Gulamova, D. D., Jalilov, D., Eshonkulov, E., Bobokulov, S., Gulamov, T. I., Saidov, R. M., Bakhronov, H. N.
Format: Article
Language:English
Subjects:
Alloys
Ceramic materials
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Crystallization
Energy conservation
Glass
Green technology
Materials Science
Natural Materials
Phase composition
Quenching
Solar energy
Superconductivity
Superconductors
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Summary:The article presents the development relevance of melt technologies in obtaining highly textured superconducting bulk ceramics. The fundamentals of the P. J. McGinn melt method based on slow melt cooling while maintaining a flat crystallization frontline and energy-saving technology (Solar Fast Alloys Quenching-T) based on the gradient conditions of melting and the melt quenching are compared. The results from the studies of the microstructure, phase composition of precursors, and superconducting ceramics with nominal compositions Bi 1,7 Pb 0,3 Sr 2 Ca n –1 Cu n O y ( n = 9, 20) are presented. It has been established that the electrical resistance of homophase ceramics in the temperature range of 80 – 320 K is 0.004 – 0.007 Ω.
ISSN:1083-4877
1573-9139
DOI:10.1007/s11148-022-00681-1