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Hlavní stránka>BS EN IEC 61788-23:2021 Superconductivity Residual resistance ratio measurement. Residual resistance ratio of cavity-grade Nb superconductors
sklademVydáno: 2021-10-11
BS EN IEC 61788-23:2021 Superconductivity Residual resistance ratio measurement. Residual resistance ratio of cavity-grade Nb superconductors

BS EN IEC 61788-23:2021

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

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Označení normy:BS EN IEC 61788-23:2021
Počet stran:36
Vydáno:2021-10-11
ISBN:978 0 539 03696 1
Status:Standard
Popis

BS EN IEC 61788-23:2021


This standard BS EN IEC 61788-23:2021 Superconductivity is classified in these ICS categories:
  • 29.050 Superconductivity and conducting materials
  • 17.220 Electricity. Magnetism. Electrical and magnetic measurements
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.
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