Abstract
Attempts have been made to improve high field properties of continuous ultrafine Nb3Al multifilamentary superconductors. The Al core, of which the hardness is a key to the excellent cold-workability of the Nb/Al composite, was hardened by being alloyed with Ge by the combination with Cu and Ag, resulting into an increase in TC, HC2 and JC of the Nb/Al composite at high fields. Very short heat treatments at temperatures above 1200°C were carried out by applying a large current pulse directly to the sample so that remarkable improvements in high field properties are attained.
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© 1990 Plenum Press, New York
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Takeuchi, T., Kosuge, M., Iijima, Y., Inoue, K., Watanabe, K. (1990). Improvements in High Field Properties of Continuous Ultrafine Nb3Al MF Superconductor. In: Reed, R.P., Fickett, F.R. (eds) Advances in Cryogenic Engineering Materials . An International Cryogenic Materials Conference Publication, vol 36. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-9880-6_47
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DOI: https://doi.org/10.1007/978-1-4613-9880-6_47
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