Pathak, L. C. ; Mishra, S. K. ; Bhattacharya, D. ; Chopra, K. L. (1999) Degradation of BPSCCO superconductors during processing Journal of Materials Science, 34 (7). pp. 1619-1624. ISSN 0022-2461
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Official URL: http://www.springerlink.com/content/u6751460702043...
Related URL: http://dx.doi.org/10.1023/A:1004532701122
Abstract
Evaporation losses of Bi, Sr, Cu and Pb during processing of Bi-Pb-Sr-Ca-Cu-oxide (BPSCCO) superconductors were observed, which affected the superconducting properties. Incongruent loss of Bi, Sr, Cu and Pb was reduced by covering the pellets by excess BPSCCO powder during sintering and formation of the 2223 phase was observed to be enhanced. Formation of low temperature eutectic by silver addition was observed to accelerate the rate of evaporation. Lower temperature processing was required for fabrication of high quality Ag sheathed BPSCCO tapes.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Springer-Verlag. |
| ID Code: | 23247 |
| Deposited On: | 25 Nov 2010 09:35 |
| Last Modified: | 28 May 2011 04:19 |
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