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Mechanical tests on the surface-coated Bi-2212 superconducting tapes

โœ Scribed by L.Y. Xiao; D.K. Hilton; Y.S. Hascicek; S.W. Van Sciver

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
594 KB
Volume
37
Category
Article
ISSN
0011-2275

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โœฆ Synopsis

The strain dependence of the critical current of surface-coated Bi-2212 tapes is reported. Two methods are used in the measurements. The effect of bend strain on the critical current is obtained by a stepped cone apparatus. Peak stress or strain dependence of the critical current and the effect of the number of strain cycles on the critical current is also studied on multiple samples by employing a new in situ stress/strain device. The results show that the number of strain cycles does not significantly affect the critical current. Rather, the critical current of the tape depends only on the level of peak strain.

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