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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 975Characterization of Bi2212 Superconductor Bulk...

Characterization of Bi2212 Superconductor Bulk Samples by Digital Image Processing

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Abstract:

The use of superconductors of high critical temperatures in applied superconductivity leads to higher operation temperatures and economy of cryogenic fluids. High temperature superconductor materials exhibits limited transport properties due to grain boundary weak-links and anisotropy on the critical currents. The texturing development in these superconductors decreases in an efficient way the number of high-angle grain boundaries, increasing the values of critical current densities (J_c). In this research the size grain distribution characterization of Bi2212 superconductor bulk samples heat treated under the influence of an applied external magnetic field of 5T was carried out combining processing and images analysis obtained by SEM and statistical methodologies. The objective is to investigate influence of an external magnetic field applied during the heat treatment profiles on the texturing of Bi₂Sr₂CaCu₂O_8+δ (Bi2212) bulk by using complementary analytical techniques.

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Periodical:

Advanced Materials Research (Volume 975)

Pages:

128-133

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.975.128

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Online since:

July 2014

Authors:

Antonio Renato Bigansolli*, Tessie Gouvêa da Cruz, Francisco Romário de Souza Machado, Durval Rodrigues Jr.

Keywords:

Quantitative Microscopy, Characterization, Statistical Methodologies

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