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EVS-EN 61788-4:2016

Superconductivity - Part 4: Residual resistance ratio measurement - Residual resistance ratio of Nb-Ti and Nb3Sn composite superconductors

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Kehtetu alates 02.06.2020
Alusdokumendid
IEC 61788-4:2016; EN 61788-4:2016
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
02.06.2020
Põhitekst
03.05.2016
Põhitekst
04.10.2011
Põhitekst
EVS-EN 61788-4:2011
IEC 61788-4:2016 specifies a test method for the determination of the residual resistance ratio (RRR) of Nb-Ti and Nb3Sn composite superconductors with Cu, Cu-Ni, Cu/Cu-Ni and Al matrix. This method is intended for use with superconductor specimens that have a monolithic structure with rectangular or round cross-section, RRR value less than 350, and cross-sectional area less than 3 mm2. In the case of Nb3Sn, the specimens have received a reaction heat-treatment. This fourth edition cancels and replaces the third edition published in 2011. This edition constitutes a technical revision.
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