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Summary Silver-sheathed Bi-2223 long tapes are under development in the frame of a cooperation agreement among CISE, Europa Metalli and INFN. Multi-filamentary tapes with two different layouts (55 and 350 filaments) and superconducting powder composition (Bi1.8 Pb0.34Sr2Ca2Cu3Ox. and Bi1.7 Pb0.3Sr2Ca2Cu3Ox were fabricated by the Oxide-Powder-In-Tube (OPIT) technique starting from hot extruded composite...
Summary The magnetic interaction between a superconductor and a permanent magnet is analysed for a cylindrical system. Interaction force measurements for several axial positions between Y-Ba-Cu-O melt textured pellets and permanent magnets with different dimensions are performed in zero field cooling or in field cooling conditions using a load cell system. For each configuration the interaction force...
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