Abstract
Manufacturing superconducting composite wires with filament diameters of the order of the coherence length ΞΎ seems to be of practical importance for two reasons: it results in increased current-carrying capacity and considerably less energy loss with changes in transport current and external magnetic field. Composite conductors with such fine filaments have not yet been made successfully by conventional commercial processing techniques (i.e., wire drawing). Hydroextrusion solves this problem: Multistage assemblies and coextrusion of superconductor and normal metal matrix by high-pressure fluid make it possible to produce a multifilamentary superconductor comprised of practically any number of ultrafine filaments.
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References
H. Brechna, βSuperconducting Magnet Systems,β Springer-Verlag, Berlin, Heidelberg, New York; J. F. Bergmann Verlag, MΓΌnchen (1973).
V. P. Buryak, N. I. Matrosov, Ye. N. Malyshev, and O. N. Mironova, βTheses of the Reports of the XXII All-Union Meeting on Low-Temperature Physics,β Kishinev, 54: 55 (1982).
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Β© 1984 Springer Science+Business Media New York
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Buryak, V.P., Matrosov, N.I., Yerjemenko, T.M., Mironova, O.N., Borodaj, B.I. (1984). Current-Carrying Capacity and Energy Losses in Hydrostatically Extruded NbTi Wires. In: Clark, A.F., Reed, R.P. (eds) Advances in Cryogenic Engineering Materials . Advances in Cryogenic Engineering, vol 30. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-9868-4_104
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DOI: https://doi.org/10.1007/978-1-4613-9868-4_104
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