Cover DIN EN 61788-4 VDE 0390-4:2012-03
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DIN EN 61788-4 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
Class/Status: Standard, withdrawn
Released: 2012-03
VDE Art. No.: 0390022

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.

Standard
withdrawn:

DIN EN 61788-4 VDE 0390-4:2017-01

Superconductivity

Part 4: Residual resistance ratio measurement – Residual resistance ratio of Nb-Ti and Nb3Sn composite superconductors

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