IEC 61788-5:2000
超导体第5部分:超导体体积换算系数测量铜对铜/铌-钛复合超导体的超导体体积系数

2013-05

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适用范围: This part of IEC 61788 covers a test method for the determination of copper to super-conductor volume ratio of Cu/Nb-Ti composite superconducting wire. This test method is intended for use with Cu/Nb-Ti composite superconducting wires with a cross-sectional area of 0,1 mm to 3 mm, a diameter of the Nb-Ti filament(s) of 2 μm to 200 μm, and a copper to superconductor volume ratio of 0,5 or more. The Cu/Nb-Ti composite test conductor discussed in this method has a monolithic structure with a round or rectangular cross-section. This test method is carried out by dissolving the copper with nitric acid. Deviations from this test method that are allowed for routine tests and other specific restrictions are given in this standard. Cu/Nb-Ti conductors beyond the limits in the cross-sectional area, the filament diameter and the copper to superconductor volume ratio could be measured with this present method with an anticipated reduction in precision. Other, more specialized, specimen test geometries may be more appropriate for conductors beyond the limits and have been omitted from this present standard for simplicity and to retain precision. The test method given in this standard is expected to apply to other superconducting composite wires after some appropriate modifications.

IEC 61788-5:2000超导体 第5部分:超导体体积换算系数测量 铜对铜/铌-钛复合超导体的超导体体积系数