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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Takao, T. Furumura, Y. Higuchi, T. Arikawa, M. Yamamoto, K. Goto, T. Fukui, S. Yamanaka, A. |
| Copyright Year | 2002 |
| Abstract | We have experimentally studied relation between mechanical losses and thermal expansion properties in superconducting coils. For the experiments, three kinds of structural materials (GFRP, DGFRP, and ZFRP) were used. A glass fiber reinforced plastic (GFRP) contracts with decreasing temperature; on the contrary, a Dyneema and grass fiber reinforced plastic (DGFRP) and a Zylon fiber reinforced plastic (ZFRP) expand with the decrease of temperature. We used sample holders made of those plastics and measured AC current losses of a Bi-2223 tape in liquid nitrogen. Even if the magnetic field applied to the tape and an AC transport current of the tape were same, the loss depended on the sample holder materials. When the sample holder is the GFRP, the loss was largest in the three kinds of plastics, and in case of the ZFRP, the loss was smallest. The ZFRP has the largest expansion property of the three materials, that is, the loss decreased with expansion of the sample holder's materials |
| Sponsorship | Council on Superconductivity Appl. Superconductivity Conference Inc MIT |
| Starting Page | 101 |
| Ending Page | 104 |
| Page Count | 4 |
| File Size | 258172 |
| 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 | Thermal expansion Mechanical factors Fiber reinforced plastics Superconducting materials Temperature Magnetic field measurement Magnetic materials Superconducting coils Glass Contracts structural material AC coil AC loss Bi-2223 tape mechanical loss |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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