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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Hyung-Seop Shin Dizon, J.R.C. Ho-Yeon Choi Seokho Kim Dong-Woo Ha Sang-Soo Oh |
| Copyright Year | 2002 |
| Abstract | The Ic degradation behaviors of Bi-2223 superconducting tapes under pressurized liquid nitrogen were investigated using a newly developed sample holder which gives a series of bending strains to a sample. Four kinds of commercially available multifilamentary Bi-2223 superconducting tapes were used. At atmospheric pressure, the Ic degradation behavior depended upon the reinforcement adopted, the tapes externally reinforced or densified by over pressure showed better bending strain tolerance than the Ag alloy-sheathed Bi-2223 tapes. But these tapes showed a larger Ic degradation when pressurized to 1 MPa in liquid nitrogen. For all samples, after depressurization to atmospheric pressure from 1 MPa, the Ic was completely recovered to its initial values at atmospheric pressure. When the samples were warmed up to room temperature after being depressurized from 1 MPa, ballooning occurred at some parts of some samples. It was found that the larger degradation of Ic occurred at the regions where significant ballooning occurred |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 1051 |
| Ending Page | 1054 |
| Page Count | 4 |
| File Size | 423861 |
| File Format | |
| ISSN | 10518223 |
| Volume Number | 16 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-06-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Degradation Nitrogen Testing High temperature superconductors Bismuth compounds Capacitive sensors Magnetic field induced strain Strain measurement Superconducting films Critical current pressurized Bending strain Bi-2223 tapes critical current |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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