Abstract:We fabricated twisted Bi2223 tapes with interfilamentary oxide barriers and evaluated their AC loss properties in an AC perpendicular magnetic field. The conventional powder-in-tube method was used for tape fabrication. In order to avoid the side effect on Bi2223 phase formation, SrZrO 3 was selected for barrier materials. In addition, 20wt% Bi2212 was mixed with SrZrO 3 to improve its ductility for cold working. Monocore Ag-sheathed rods were dip-coated by the oxide barriers with slurry before stacking with m… Show more
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