BS EN 61788-2:2007
Current
The latest, up-to-date edition.
Superconductivity Critical current measurement. D.C. critical current of Nb3Sn composite superconductors
Hardcopy , PDF
English
28-02-2007
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Requirements
6 Apparatus
6.1 Reaction mandrel material
6.2 Reaction mandrel construction
6.3 Measurement mandrel material
6.4 Measurement mandrel construction
6.5 Measurement set up
7 Specimen preparation
7.1 Specimen mounting for reaction heat treatment
7.2 Reaction heat treatment
7.3 Specimen mounting for measurement
7.4 Specimen bonding
8 Measurement procedure
9 Precision and accuracy of the test method
9.1 Critical current
9.2 Temperature
9.3 Magnetic field
9.4 Specimen support structure
9.5 Specimen protection
10 Calculation of results
10.1 Critical current criteria
10.2 n-value (optional calculation, refer to A.7.2)
11 Test report
11.1 Identification of test specimen
11.2 Report of I[c] values
11.3 Report of test conditions
Annex A (informative) Additional information relating to
Clauses 1 to 10
Annex B (informative) Strain effect of Nb[3]Sn conductors
Annex C (informative) Self-field effect
Annex D (normative) One-mandrel method
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography
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