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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mbaruku, A.L. Marken, K.R. Meinesz, M. Miao, H. Sastry, P.V.P.S.S. Schwartz, J. |
| Copyright Year | 2002 |
| Abstract | Manufacture of multifilamentary BSCCO tapes involves rolling of billets to final form. In BSCCO-2212 tapes, one method used to control the microstructure and increase J/sub c/ is intermediate annealing during the deformation process. At times, small bubbles have been observed on the tapes after annealing. Although such bubbles do not remain at the end of fabrication, the question of possible effect on superconducting performance has been studied. The sections that had bubbles after annealing were marked and the fabrication process completed on the tape. After final reaction of the tape, comparisons of stress-strain-I/sub c/ for bubbled and nonbubbled sections were performed. Here we present electrical, mechanical and microstructural studies on bubbled and bubble-free sections of tape. It was found that sections with bubbles had lower I/sub c/ than sections with no bubbles, though both had similar onset of I/sub c/ degradation at /spl sim/0.40%. |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 3522 |
| Ending Page | 3525 |
| Page Count | 4 |
| File Size | 556578 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 13 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-06-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Superconducting magnets High temperature superconductors Multifilamentary superconductors Heat treatment Microstructure Annealing Fabrication Superconducting films Power systems Shape control |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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