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Short rolled multifilamentary BSCCO-2223 oxide-powder-in-tube (OPIT) wire has reached a core critical current density J/sub c/ over 73,000 A/cm/sup 2/ (77 K, self-field, 1 /spl mu/V/cm) in multiple samples, with engineering (full-cross-section) current density J/sub c/ of 22,800 A/cm/sup 2/ (77 K, self-field, 1 /spl mu/V/cm). Regular production wires(More)
A process based on metallic precursors has been developed for manufacturing high filament count oxide superconductor-silver composite tapes with critical current densities of up to 7.5 kA/cm/sup 2/ at 77 K in zero field. A 30-cm prototype multistrand conductor made of these tapes has a critical current of 240 A at 77 K over a 9 cm gauge length, with an(More)
Significant advances have been made in the critical current density of the technologically interesting (Bi,Pb)2223 composite conductors. Engineering current density, J/sub e/, of 9100 A/cm/sup 2/, corresponding to a filament current density, J/sub c/, of 32600 A/cm/sup 2/ (77 K, self-field) has been achieved by increasing the fraction of oxide in the(More)
A process based on metal precursors has been developed for fabricating 361-filament Bi-2223 oxide superconductor-silver composite tapes with oxide and whole wire critical current densities of 20.8 kA/cm/sup 2/ and 3.74 kA/cm/sup 2/ at 77 K over 85 m (1 /spl mu/V/cm criterion). Fabrication of approximately 50 m lengths for a cumulative 1 km yielded average(More)
American Superconductor Corporation, Pirelli Cable Corporation, and the Electric fewer Research Institute are engaged in a program aimed at developing a commercially viable high temperature superconducting power transmission cable. The first phase of the program has been completed with the fabrication and testing of a 50 meter conductor for a power(More)
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