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Use of partial melting in Tl-1223 coil production

Abstract:
We report progress towards defining the optimum conditions for melt processing TlBi-1223 PIT tapes. The Bi substitution level has been found to have a strong influence on these conditions, affect the intercalation structure of the 1223 phase and the amount of secondary phases observed. TEM studies have identified a new Ba-Sr-Bi-Ca-O phase with a layered structure. A 3 pancake coil of length greater than 10m has been fabricated and tested in high magnetic fields. We conclude that although melt processing can be used to significantly modify the grain structure, further work on grain alignment is required to achieve useful properties.
Publication status:
Published

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Publisher:
Minerals, Metals and Materials Soc (TMS)
Journal:
HIGH-TEMPERATURE SUPERCONDUCTORS: SYNTHESIS, PROCESSING, AND APPLICATIONS II More from this journal
Pages:
195-204
Publication date:
1996-01-01
Event title:
Symposium on High-Temperature Superconductors - Synthesis, Processing, and Applications, at the 126th Minerals-Metals-and-Materials-Society Annual Meeting
ISBN:
0873394011


Pubs id:
pubs:29271
UUID:
uuid:3c1babad-4829-4ef8-abc9-df8d5a0e46b2
Local pid:
pubs:29271
Source identifiers:
29271
Deposit date:
2012-12-19

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