BS EN IEC 61788-23:2018 PDF

Superconductivity - Residual resistance ratio measurement. Residual resistance ratio of Nb superconductors

First page of standard BS EN IEC 61788-23:2018

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Title (English):

BS EN IEC 61788-23:2018

Superconductivity - Residual resistance ratio measurement. Residual resistance ratio of Nb superconductors

Document status:: Withdrawn
Format:: Electronic (PDF)
Publication date:: October 31, 2018
ICS:: 17.220
Technical committee:: CENELEC
SKU:: BS EN IEC 61788-23:2018

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Abstract

1 Scope This part of IEC 61788 addresses a test method for the determination of the residual resistance ratio ( RRR ), r RRR , of cavity-grade niobium. This method is intended for high-purity niobium grades with 15 < r RRR < 600. The test method should be valid for specimens with rectangular or round cross-section, cross-sectional area greater than 1 mm 2 but less than 20 mm 2 , and a length not less than 10 nor more than 25 times the width or diameter.

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BS EN IEC 61788-23:2018 PDF

Abstract

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Abstract

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