Polymeric encapsulation of 1-2-3 ceramic superconductors |
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| Authors: | B Chaudhuri R M Anklekar C A Thomas T R Rama Mohan O M Prakash |
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| Affiliation: | (1) Materials Science Centre, Department of Metallurgical Engineering, Indian Institute of Technology, 400 076 Bombay, India |
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| Abstract: | YBa2Cu3O7−x pellets have been found to degrade and lose superconducting properties when exposed to the normal atmosphere for long durations. Hence, coating the superconducting pellets with a polymer to protect it from moisture and CO2 of the ambient atmosphere is highly desirable. In this paper the criteria of selection of a polymer and some preliminary studies on polymeric encapsulation of 1-2-3 pellets are reported. Fevitite epoxy and stycast have been found to show encouraging results. |
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| Keywords: | YBa2Cu3O7− x oxide superconductor polymeric encapsulation chemical stability atmospheric degradation |
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