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UNE EN IEC 61788-4:2020
Superconductivity - Part 4: Residual resistance ratio measurement - Residual resistance ratio of Nb-Ti and Nb3Sn composite superconductors (Endorsed by Asociación Española de Normalización in June of 2020.)
Superconductividad. Parte 4: Medida de la relación de resistencia residual. Relación de resistencia residual de superconductores compuestos de Nb-Ti y Nb3Sn. (Ratificada por AENOR en mayo de 2016.) (Ratificada por la Asociación Española de Normalización en junio de 2020.)
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| Standard number: | UNE EN IEC 61788-4:2020 |
| Pages: | 43 |
| Released: | 2020-06-01 |
| Status: | Standard |
DESCRIPTION
UNE EN IEC 61788-4:2020
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 4 mm2. In the case of Nb3Sn, the specimens have received a reaction heat-treatment.