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Production of stranded and transposed conductors, uncoated or with resistive coatings

The efforts have been focused on twisting round conductors (up to 7 wires) and making flat tapes with various twist pitches. In order to increase the critical current, a combination of optimisation runs were carried out. A twisting machine setup was developed. From the results it was concluded that there is no specific procedure, which results in a great improvement of the critical current. As a conclusion, this method should not be pursued.

Reported by

Nordic Superconductor Technologies A/S
Blokken 84
3460 Birkeroed
Denmark
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