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Effects of heating rate on the phase and microstructure evolution in Bi-2223/Ag/Ni superconducting tapes.
- Source :
-
Ceramics International . Jun2014, Vol. 40 Issue 5, p7293-7296. 4p. - Publication Year :
- 2014
-
Abstract
- Effects of heating rate on the phase and microstructure evolution in Bi-2223/Ag/Ni superconducting tapes were studied. It was found that 30°C/h, the lowest heating rate, was the most suitable to obtain microstructure improved tapes. The volume fraction of Bi-2223 phase increased and the amount and size of secondary phases decreased with the heating rate reducing. Meanwhile, the optimal texture formed earliest in the samples heated at 30°C/h. The size of Bi-2212 grains is the largest in the samples heated at 30°C/h, which may lead to the largest size of Bi-2223 grains eventually. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02728842
- Volume :
- 40
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- Ceramics International
- Publication Type :
- Academic Journal
- Accession number :
- 94570078
- Full Text :
- https://doi.org/10.1016/j.ceramint.2013.12.070