Superconductivity - Residual resistance ratio measurement. Residual resistance ratio of cavity-grade Nb superconductors
Superconductivity - Residual resistance ratio measurement. Residual resistance ratio of cavity-grade Nb superconductors
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What is IEC 61788-23 about?
BS EN IEC 61788-22 is a series of International Standards on superconductor electronic devices. BS EN IEC 61788-23 is the 23rd part of the multi-series that addresses a test method for the determination of the residual resistance ratio (RRR) of cavity-grade niobium. This method is intended for high-purity niobium grades. The test method mentioned in BS EN IEC 61788-23 is valid for specimens with rectangular or round cross-sections, a 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.
Who is BS EN IEC 6178...
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