Standard [WITHDRAWN]
DIN EN 61788-4:2012-03
VDE 0390-4:2012-03
Superconductivity - Part 4: Residual resistance ratio measurement - Residual resistance ratio of Nb-Ti composite superconductors (IEC 61788-4:2011); German version EN 61788-4:2011
- German title
- Supraleitfähigkeit - Teil 4: Messung des Restwiderstandsverhältnisses - Restwiderstandsverhältnis von Nb-Ti Verbundsupraleitern (IEC 61788-4:2011); Deutsche Fassung EN 61788-4:2011
- Publication date
- 2012-03
- Original language
- German
- Pages
- 31
- Publication date
- 2012-03
- Original language
- German
- Pages
- 31
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This part of IEC 61788 covers a test method for the determination of the residual resistance ratio (RRR) of composite superconductors comprised of Nb-Ti filaments and Cu, Cu-Ni or Cu/Cu-Ni matrix. This method is intended for use with superconductors that have a monolithic structure with rectangular or round cross-section, RRR less than 350, and cross-sectional area less than 3 mm2. All measurements are done without an applied magnetic field. The method described in the body of this standard is the "reference" method and optional acquisition methods are outlined in clause A.3. The responsible committee is K 184 "Supraleiter" ("Superconductors") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.
This document replaces DIN EN 61788-4:2008-04; VDE 0390-4:2008-04 .
This document has been replaced by: DIN EN 61788-4:2017-01; VDE 0390-4:2017-01 .