ČSN EN IEC 61788-23-ed.2

Superconductivity - Part 23: Residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors

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Podrobné informácie

Označenie: ČSN EN IEC 61788-23-ed.2

Dátum vydania: 01.05.2022

Stránok: 40

Krajina: Česká technická norma

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Anotácia

This part of IEC 61788 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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