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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Schwartz, J. Sekine, H. Asano, T. Kuroda, T. Inoue, K. Maeda, H. |
| Copyright Year | 1965 |
| Abstract | Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub x/ (2212) superconductors have been fabricated into silver (Ag)-sheathed single-filament, multifilament, and wire-in-tube (WIT) tapes. Calcining, annealing and sintering conditions have been studied to improve the critical current density J/sub c/(B, 4.2 K) at high magnetic field (B). The optimization is discussed, and resulting properties are related to the microstructure of the superconductor. Superconductor J/sub c/ approximately 1-5*10/sup 4/ A/cm/sup 2/ has been obtained in fields >20 T at 4.2 K in both single and multifilamentary tapes. The dependence of J/sub c/ upon mechanical strain ( in ) has been investigated. No prestraining of the superconductor occurred in any of the samples, most likely due to yielding of the Ag sheath. Although strain resistance was good in all samples, the WIT tapes were significantly more resistant than the single-filament tapes. For the single-filament tapes, in /sub irr/ approximately 0.24%, while for the WIT tapes, in /sub irr/ approximately 0.36%, where in /sub irr/ is the irreversible strain limit. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 1247 |
| Ending Page | 1249 |
| Page Count | 3 |
| File Size | 410956 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 27 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1991-03-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Fabrication Current density Capacitive sensors Multifilamentary superconductors Bismuth Strontium Silver Calcination Annealing Critical current density |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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