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The anisotropy of Nb3Sn superconducting tape and its effect on the performance of superconducting magnets

✍ Scribed by M. Jergel; I. Hlasnik

Publisher
Elsevier Science
Year
1970
Tongue
English
Weight
226 KB
Volume
10
Category
Article
ISSN
0011-2275

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✦ Synopsis

An experimental study has been made of the critical current density of Nb3Sn diffusion-processed superconducting tape in a transverse magnetic field as a function of tape orientation and processing temperature (800-1 150 C). For a given magnetic field, those samples that were heat treated between 920 C and 940 C were found to have the maximum critical current and the maximum ratio of anisotropy (for example, It,lie1 = 1"90 at 10 kG, 1"45 at 50 kG).

An analysis has been made of the efficiency of the solenoid winding configuration in terms of the anisotropy of the tape, and of the intensity of the magnetic field. For a tape with the above values of Ic,/IcΒ±, the construction of a solenoid with more than one section is found to be advantageous only when the maximum field is more than 25 kG.

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