Abstract
Two types of aluminium stabilized superconducting cables: soldered and pressed have0been under investigation. The paper describes cables, manufactured from multifilamentary NbTi/Cu wires in high purity aluminium, or copper-clad aluminium matrix with a, cross-section of 4×9 and 4.6×37 mm. Dependence of contact resistance on the interface “superconductor-aluminium matrix” on transport current and magnetic field from 0 to 3 T, correspondently have been studied. Contact resistance vary within the range from 1.4×10 −11 to 2.2×10 −10 Ohm×m. Dependance of contact resistance on the cable construction and electrical and physical characteristics of its components was analysed theoreticaly and experimentaly. Discrepancy between experimental results and classic theory predictions is discussed.
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