ČSN EN IEC 61788-23-ed.2 (345685)

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

STANDARD published on 1.5.2022

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The information about the standard:

Designation standards: ČSN EN IEC 61788-23-ed.2
Classification mark: 345685
Catalog number: 513931
Publication date standards: 1.5.2022
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

Annotation of standard text ČSN EN IEC 61788-23-ed.2 (345685):

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