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EVS-EN IEC 61788-23:2024

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

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Kehtiv alates 15.07.2024
Alusdokumendid
IEC 61788-23:2024; EN IEC 61788-23:2024
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Kuupäev
Tüüp
Nimetus
15.07.2024
Põhitekst
15.10.2021
Põhitekst
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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