Recent development of niobium-tin superconducting wire at OST

Oxford Superconducting Technology (OST) produces Nb/sub 3/Sn superconductive composites via several different fabrication methods. We report here some aspect of improvements made in these products. Enhancement in very high field properties have been introduced for bronze processed composite using Nb...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 1999-06, Vol.9 (2), p.1444-1446
Main Authors: Zhang, Y., McKinnell, J.C., Hentges, R.W., Hong, S.
Format: Article
Language:English
Subjects:
Applied sciences
Billets
Critical current density
Electronics
Exact sciences and technology
Fabrication
Instruments
Niobium
Niobium-tin
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Superconducting devices
Superconducting filaments and wires
Superconducting magnets
Testing
Tin
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Summary:Oxford Superconducting Technology (OST) produces Nb/sub 3/Sn superconductive composites via several different fabrication methods. We report here some aspect of improvements made in these products. Enhancement in very high field properties have been introduced for bronze processed composite using Nb filaments with Ta addition and bronze matrix with Ti addition. In modified jelly roll (MJR) composite non-copper critical current density has been improved to over 3000 A/mm/sup 2/ at 10T by modifying design. This performance is reproduced routinely in production.
ISSN:1051-8223
1558-2515
DOI:10.1109/77.784660