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CENELEC
EN 61788-4:2016

EN 61788-4:2016

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

Superseded date

20-05-2020

Superseded by

EN IEC 61788-4:2020

Published date

08-04-2016

Publisher

European Committee for Standards - Electrical

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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Specimen preparation
7 Data acquisition and analysis
8 Uncertainty and stability of the test method
9 Test report
Annex A (informative) - Additional information relating
        to the measurement of RRR
Annex B (informative) - Uncertainty considerations
Annex C (informative) - Uncertainty evaluation in test
        method of RRR for Nb-Ti and Nb3Sn composite
        superconductors
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

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.

Committee
CLC/SR 90
DevelopmentNote
Supersedes UNE EN 61788-4. (03/2011)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy
Supersedes

BS EN 61788-10:2006 Superconductivity Critical temperature measurement. Critical temperature of composite superconductors by a resistance method
BS EN 61788-21:2015 Superconductivity Superconducting wires. Test methods for practical superconducting wires. General characteristics and guidance
EN 61788-10:2006 SUPERCONDUCTIVITY - PART 10: CRITICAL TEMPERATURE MEASUREMENT - CRITICAL TEMPERATURE OF COMPOSITE SUPERCONDUCTORS BY A RESISTANCE METHOD
I.S. EN 61788-21:2015 SUPERCONDUCTIVITY - PART 21: SUPERCONDUCTING WIRES - TEST METHODS FOR PRACTICAL SUPERCONDUCTING WIRES - GENERAL CHARACTERISTICS AND GUIDANCE
CEI EN 61788-10 : 2007 SUPERCONDUCTIVITY - PART 10: CRITICAL TEMPERATURE MEASUREMENT - CRITICAL TEMPERATURE OF COMPOSITE SUPERCONDUCTORS BY A RESISTANCE METHOD
I.S. EN 61788-10:2006 SUPERCONDUCTIVITY - PART 10: CRITICAL TEMPERATURE MEASUREMENT - CRITICAL TEMPERATURE OF COMPOSITE SUPERCONDUCTORS BY A RESISTANCE METHOD
EN 61788-21:2015 Superconductivity - Part 21: Superconducting wires - Test methods for practical superconducting wires - General characteristics and guidance

IEC 60050-815:2015 International Electrotechnical Vocabulary (IEV) - Part 815: Superconductivity
ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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