Abstract

Australian Superconductors has introduced an improved range of high-temperature superconductor (HTS) tapes designed for use in electrical machinery operating at 77 K. The tapes are made using powder-in-tube techniques to incorporate ceramic filaments of bismuth-2223 into a matrix of silver or silver alloy. The design can be adapted to meet customer requirements by using different sheathing materials or by altering the number of filaments to optimize the thermal loss and mechanical strength of the tape. The superconducting filaments can also be twisted for low AC loss, or supplied in tape-in-tube, wire-in-tube or parallel stack formats. Fully constructed components and artefacts made using the tape are available in coiled-in-racetrack, solenoidal or torroidal formats, or stranded and braided in high- current busbars, leads and cables. The company also offers analytical services, standards and design of HTS components and devices.

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