Development of Ti-sheathed MgB wires with high critical current density
Superconductor Science and Technology, ISSN: 0953-2048, Vol: 19, Issue: 11, Page: 1146-1151
2006
- 17Citations
- 12Captures
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Article Description
Working towards developing lightweight superconducting magnets for future space and other applications, we have successfully fabricated mono-core Ti-sheathed MgB wires by the powder-in-tube method. The wires were characterized by magnetization, electrical resistivity, x-ray diffraction, scanning electron microscopy, and energy dispersive spectrometry measurements. The results indicate that the Ti sheath does not react with the magnesium and boron, and the present wire rolling process can produce MgB wires with a superconducting volume fraction of at least 64% in the core. Using the Bean model, it was found that at 5 K, the magnetic critical current densities, J, measured in magnetic fields of 0, 5, and 8T are about 4.2 × 10, 3.6 × 10, and 1.4 × 10 Acm, respectively. At 20K and 0T, the magnetic J is about 2.4 × 10Acm. These results show that at zero and low fields, the values of the magnetic J for Ti-sheathed MgB wires are comparable with the best results available for the Fe-sheathed MgB wires. At high fields, however, the J for Ti-sheathed MgB wires appears higher than that for the Fe-sheathed MgB wires. © IOP Publishing Ltd.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=33750593537&origin=inward; http://dx.doi.org/10.1088/0953-2048/19/11/009; https://iopscience.iop.org/article/10.1088/0953-2048/19/11/009; https://dx.doi.org/10.1088/0953-2048/19/11/009; https://validate.perfdrive.com/9730847aceed30627ebd520e46ee70b2/?ssa=d3a3d33c-bb81-44a5-8603-a8c4128db486&ssb=60642299705&ssc=https%3A%2F%2Fiopscience.iop.org%2Farticle%2F10.1088%2F0953-2048%2F19%2F11%2F009&ssi=18ea6024-cnvj-4f93-b8bd-3606b7a379a6&ssk=botmanager_support@radware.com&ssm=387272253562609073781188887899338487&ssn=26d3135b065437b85e92971c73c254a06aa60900c3c4-8990-4f21-aa7c89&sso=76009f8c-bc564dd29deabd27813fc8169123ff356e59e6f487aca00f&ssp=73555640741726559128172679415534928&ssq=26141909282464931650429239778858654458050&ssr=NTIuMy4yMTcuMjU0&sst=com.plumanalytics&ssu=&ssv=&ssw=&ssx=eyJ1em14IjoiN2Y5MDAwMGMxZDc2YmItMzk2MS00N2VjLTlkZGItNjdmYTVhZTY2ODdlNS0xNzI2NTI5MjM5NDUzMjYzNTg1NDcyLTNjNmM4YTRlY2U1YzUzZGIzNzgwMTAiLCJfX3V6bWYiOiI3ZjYwMDBkNzYzNGE3Ni05ZTRkLTRjMmMtYjJhMC1mYzAzNGMyZjE1MjkxNzI2NTI5MjM5NDUzMjYzNTg1NDcyLTM1MmY2Yzg2OWNlNzAxOWUzNzgwMzEiLCJyZCI6ImlvcC5vcmcifQ==
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