IEC 61788-23 Ed. 2.0 b:2021

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

International Electrotechnical Commission , 08/01/2021

Publisher: IEC

File Format: PDF

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Description

Standard By:International Electrotechnical Commission , 08/01/2021

Published:08/01/2021

Pages:62

ISBN(s):9782832210115

File Size:1 file , 1.8 MB

Language:English, French

Note:This product is unavailable in Ukraine, Russia, Belarus

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.