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EN IEC 61788-23:2024

Superconductivity - Part 23: Residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors EN IEC 61788-23:2024

Publication date:   Aug 19, 2024

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60.60 Standard published   Jun 28, 2024

CENELEC

CLC/SR 90 Superconductivity

European Norm

17.220   Electricity. Magnetism. Electrical and magnetic measurements | 29.050   Superconductivity and conducting materials

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<!-- NEW! -->IEC 61788-23:2024 is available as <a href="https://webstore.iec.ch/publication/95177">IEC 61788-23:2024 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.</br></br>IEC 61788-23:2024 addresses a test method for the determination of the residual resistance ratio (RRR), rRRR, of cavity-grade niobium. This method is intended for high-purity niobium grades with 150 < rRRR < 600. The test method is valid for specimens with rectangular or round cross-section, cross-sectional area greater than 1 mm2 but less than 20 mm2, and a length not less than 10 nor more than 25 times the width or diameter.

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PREVIOUSLY

PUBLISHED
EN IEC 61788-23:2021

NOW

PUBLISHED
EN IEC 61788-23:2024
60.60 Standard published
Jun 28, 2024