Superconductivity -- Residual resistance ratio measurement. Residual resistance ratio of Nb-Ti and Nb3Sn composite superconductors
This part of IEC 61788 specifies a test method for the determination of the residual resistance ratio (RRR) of Nb-Ti and Nb3Sn composite superconductors with Cu, Cu-Ni, Cu/Cu-Ni and Al matrix. This method is intended for use with superconductor specimens that have a monolithic structure with rectangular or round cross-section, RRR value less than 350, and cross-sectional area less than 3 mm2. In the case of Nb3Sn, the specimens have received a reaction heat-treatment.
| SDO | BSI: British Standards Institution |
| Document Number | EN 61788-4 |
| Publication Date | April 30, 2016 |
| Language | en - English |
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| Supercedes | |
| Committee | W/- |
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