Abstract

Bi2Sr2Ca1Cu2Ox/Ag composite tapes were prepared by the combined process of doctor blade casting and crystal growth from the partially molten state. A highly textured microstructure was obtained for oxide layer thicknesses of 15 mu m or less by solidifying from 890 degrees C The textured tapes have excellent transport Jc values greater than 105 A/cm2 at 4.2 K in magnetic fields above 25 T. The results indicate that textured Bi-based tapes are promising candidates for high field superconducting magnets.

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