IEC 61788-4:2001 ED1

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

Publication date: 18 korr 2001

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Current stage: 99.60 Effective date: 24 pri 2007

Originator: IEC

Owner: TC 90

Type: International Standard

ICS: 17.220.20 29.050

Gjuha: anglisht spanjisht

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Statusi: Revised

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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.

IEC 61788-4:2001 ED1

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

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