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Grain growth and sintering in Bi–(Pb)—Sr—Ca—Cu—O superconductors made by sol-gel

Published online by Cambridge University Press:  03 March 2011

Kunsong Ma  and
Alain C. Pierre
Kunsong Ma
Affiliation:
Department of Mining, Metallurgical and Petroleum Engineering, University of Alberta, Edmonton, Alberta, Canada T6G 2G6
Alain C. Pierre
Affiliation:
Department of Mining, Metallurgical and Petroleum Engineering, University of Alberta, Edmonton, Alberta, Canada T6G 2G6
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Abstract

Bi—(Pb)—Sr—Ca—Cu—O superconductors were synthesized by sol-gel processing from nitrates by complexation with citric acid. Their grain growth and sintering above 800 °C were studied by Scanning Electron Microscopy (SEM) and Brunauer, Emmett, Teller (BET) porosimetry. The sintering was limited by anisotropic grain growth, and microcracks in 2212 phase grains were created due to the formation of 2223 phase.

Type
Articles
Information
Journal of Materials Research , Volume 9 , Issue 2 , February 1994 , pp. 286 - 291
Copyright
Copyright © Materials Research Society 1994

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References

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