EN 61788-4:2007

Superconductivity - Part 4: Residual resistance ratio measurement - Residual resistance ratio of Nb-Ti composite superconductors EN 61788-4:2007

Publication date:   Sep 28, 2007

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99.60 Withdrawal effective   Aug 15, 2014

CENELEC

CLC/SR 90 Superconductivity

European Norm

17.220.20   Measurement of electrical and magnetic quantities | 29.050   Superconductivity and conducting materials

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Describes a reference method for the determination of the residual resistance ratio (RRR) of a composite superconductor 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 rectangular or round cross-section, RRR less than 350, and cross-sectional area less than 3 mm2. All measurements shall be done without an applied magnetic field. Optional acquisition methods are outlined in annex A.

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EN 61788-4:2001

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EN 61788-4:2007
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EN 61788-4:2011