BS EN 61788-4:2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Residual resistance ratio measurement. Residual resistance ratio of Nb-Ti composite superconductors
Hardcopy , PDF
English
28-09-2007
01-01-2011
| Committee |
W/-
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
This part of IEC 61788 covers a test method for the determination of the residual resistance ratio (RRR) of a composite superconductor comprised of Nb-Ti filaments and Cu, Cu-Ni or Cu/Cu-Ni matrix. This method is intended for use with superconductors that have a monolithic structure with rectangular or round cross-section, RRR less than 350, and cross-sectional area less than 3 mm2. All measurements are done without an applied magnetic field. This second edition cancels and replaces the first edition published in 2001. It constitutes a technical revision. The main revisions are the replacement of \'accuracy\' by \'uncertainty\' and a change in Figure 1, where the relationship between temperature and voltage is changed to the relationship between temperature and resistance.
| Standards | Relationship |
| IEC 61788-4:2007 | Identical |
| EN 61788-4:2007 | Equivalent |
| I.S. EN 61788-4:2007 | Equivalent |
| IEC 61156-6:2010 | Identical |
| UNE-EN 61788-4:2007 | Equivalent |
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