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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Sneary, A.B. Friend, C.M. Richens, P. Jones, H. Hampshire, D.P. |
| Copyright Year | 2002 |
| Abstract | Four double wound pancakes with inner diameters of 98 mm have been successfully fabricated with multifilamentary Bi-2223/Ag tape using the react and wind technique. Two pancakes were impregnated with wax and the other two with resin. The pancakes have been tested at 77 K producing critical current (I/sub c/) values up to 14.5 A and index of transition values (n) of up to 11.4. The field profiles produced by the pancakes have been modelled. The I/sub c/ field dependence of short samples of the component Bi-2223/Ag tape has been studied. I/sub c/ is most sensitive to field when the field is parallel to the c-axis of the tape, reducing I/sub c/ from 28 A to 13.2 A between 0 T and 30 mT. Although the bending strain of the tape in the coil is /spl sim/0.3%, the fabrication procedure for the pancakes has produced very little handling damage to the tapes. It is demonstrated that the I/sub c/ of the coils is almost entirely self field limited. |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 936 |
| Ending Page | 939 |
| Page Count | 4 |
| File Size | 387418 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 9 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1999-06-01 |
| 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 coils Bismuth High temperature superconductors Fabrication Superconducting magnets Capacitive sensors Wounds Resins Conducting materials Nitrogen |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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