DocumentCode
840374
Title
The origin of the Pb-rich Bi3Sr2Ca2Cu1Ox (3221) phase during post annealing of (Bi,Pb)2Sr2Ca2Cu3Ox/Ag composite conductors
Author
Yuan, Y. ; Cai, X.Y. ; Jiang, J. ; Huang, Y. ; Larbalestier, D.C. ; Hellstrom, E.E.
Author_Institution
Appl. Supercond. Center, Univ. of Wisconsin-Madison, Madison, WI, USA
Volume
15
Issue
2
fYear
2005
fDate
6/1/2005 12:00:00 AM
Firstpage
2530
Lastpage
2533
Abstract
We studied the origin of (Bi,Pb)3Sr2Ca2Cu1Ox (3221) in (Bi,Pb)2Sr2Ca2Cu3Ox-based (2223) wires by varying the amount of 2223 and remnant liquid in wires using slow-cooling and quenching experiments on 2223 green wires. The 3221 phase forms from crystallization of remnant liquid.
Keywords
aluminium; annealing; bismuth compounds; calcium compounds; cold working; cooling; crystallisation; gas mixtures; high-temperature superconductors; lead compounds; multifilamentary superconductors; nitrogen; oxygen; strontium compounds; type II superconductors; (BiPb)2Sr2Ca2Cu3Ox-Ag; 2223 green wires; 3221 phase; crystallization; multifilamentary wires; post annealing; quenching experiments; remnant liquid; slow cooling; Annealing; Conductors; Cooling; Crystallization; Electromagnetic heating; Heat treatment; Microstructure; Superconducting filaments and wires; Superconductivity; Temperature; 2223; 3221; Critical current; phase formation; post anneal;
fLanguage
English
Journal_Title
Applied Superconductivity, IEEE Transactions on
Publisher
ieee
ISSN
1051-8223
Type
jour
DOI
10.1109/TASC.2005.847518
Filename
1440181
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