Describes a "reference" 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 rectangular or round cross-section, RRR less than 350, and cross-sectional area less than 3 mm2. All measurements shall be done without an applied magnetic field. Optional acquisition methods are outlined in annex A.
IEC 61788-4 Ed. 1.0 en:2001 History
IEC 61788-4 Ed. 5.0 b:2020
$139.00 $278.00
IEC 61788-4 Ed. 4.0 b:2016
$117.00 $235.00
IEC 61788-4 Ed. 3.0 b:2011
$103.00 $206.00
IEC 61788-4 Ed. 2.0 en:2007
$60.00 $121.00
IEC 61788-4 Ed. 1.0 en:2001
$38.00 $76.00
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