Successful Application of Simplex Methods to the Optimization of Textured Superconducting Ceramics

The fabrication of ceramic materials implies dealing with a great number of processing variables with clear interaction, which prevents straightforward optimization of the processes. In this paper, we report the optimization process applied to improve the properties of LFZ‐textured Bi‐2212 supercond...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 2004-07, Vol.87 (7), p.1216-1221
Main Authors: Natividad, Eva, Díez, Juan C., Angurel, Luis A., Andrés, José M.
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Ceramics
Chemical industry and chemicals
Electrotechnical and electronic ceramics
Exact sciences and technology
Materials science
Methods
Superconductors
Technical ceramics
texture
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Summary:The fabrication of ceramic materials implies dealing with a great number of processing variables with clear interaction, which prevents straightforward optimization of the processes. In this paper, we report the optimization process applied to improve the properties of LFZ‐textured Bi‐2212 superconducting thin rods. In this process, based on Simplex optimization methods, four growth and four annealing parameters were taken as control variables to obtain high critical currents and short processing times. As a result, the critical current values increased by a factor of 3 after only 30 trials.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.2004.tb07715.x