SUPERCONDUCTIVITY - PART 12: MATRIX TO SUPERCONDUCTOR VOLUME RATIO MEASUREMENT - COPPER TO NONCOPPER VOLUME RATIO OF NB[3]SN COMPOSITE SUPERCONDUCTING WIRES
International Electrotechnical Committee
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Measurement procedure
7 Calculation of results
8 Uncertainty of the test method
9 Test report
Annex A (normative) - Measurement - Image
processing method
Annex B (normative) - Measurement - Copper
mass method
Annex C (normative) - Measurement method
using planimeter
Annex D (informative) - Specimen polishing method
Annex E (informative) - Difference of the copper
to non-copper volume ratio before and
after the Nb[3]Sn generation heat treatment
process
Annex F (informative) - Paper mass bias at copy
Annex G (informative) - Cross-sections of
Cu/Nb[3]Sn wires
Annex H (informative) - Uncertainty considerations
Annex I (informative) - Uncertainty evaluation in
the test method of the copper to non-copper
volume ratio of Nb[3]Sn composite
superconducting wires
Specifies a test method for determining the copper to non-copper volume ratio of Cu/Nb[3]Sn wires.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 90 |
