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The dependence of the critical current of Nb3Sn tapes on the direction of a transverse magnetic field

The dependence of the critical current of Nb3Sn tapes on the direction of a transverse magnetic... A theoretical and experimental study has been made of the critical current of Nb3Sn tapes prepared by different methods as a function of direction and magnitude of the applied transverse magnetic field. For different orientations of the magnetic field with respect to the crystal grains the pinning is calculated for hypothetical sinusoidal and ellipsoidal shapes of the grains. By comparing the theoretical and experimental results we conclude that for diffusion-processed Nb3Sn tapes the grains are almost ellipsoidal, whereas for vapor-deposited tapes they are more sinusoidal. Finally, we explain the possibility of formation of such grain shapes in the process of their creation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Low Temperature Physics Springer Journals

The dependence of the critical current of Nb3Sn tapes on the direction of a transverse magnetic field

Jergel, M.; Takács, S.
Journal of Low Temperature Physics , Volume 10 (4) – Nov 2, 2004
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References (2)

Publisher
Springer Journals
Copyright
Copyright
Subject
Physics; Condensed Matter Physics; Characterization and Evaluation of Materials; Magnetism, Magnetic Materials
ISSN
0022-2291
eISSN
1573-7357
DOI
10.1007/BF00654921
Publisher site
See Article on Publisher Site

Abstract

A theoretical and experimental study has been made of the critical current of Nb3Sn tapes prepared by different methods as a function of direction and magnitude of the applied transverse magnetic field. For different orientations of the magnetic field with respect to the crystal grains the pinning is calculated for hypothetical sinusoidal and ellipsoidal shapes of the grains. By comparing the theoretical and experimental results we conclude that for diffusion-processed Nb3Sn tapes the grains are almost ellipsoidal, whereas for vapor-deposited tapes they are more sinusoidal. Finally, we explain the possibility of formation of such grain shapes in the process of their creation.

Journal

Journal of Low Temperature Physics – Springer Journals

Published: Nov 2, 2004

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