现行 GB/T 31522-2015
基体与超导体体积比测试 Nb3Sn复合超导线铜与非铜体积比 基体与超导体体积比测试 Nb3Sn复合超导线铜与非铜体积比 Matrix to superconductor volume ratio measurement—Copper to non-copper volume ratio of Nb 3Sn composite superconducting wires
发布日期:2015-05-15
实施日期:2015-12-01
分类信息
研制信息

归口单位: 全国超导标准化技术委员会(TC265)

起草单位: 西部超导材料科技股份有限公司、 中国科学院物理研究所、 西北有色金属研究院、 北京有色金属研究总院

起草人: 张科、 冯冉、 刘宜平、 熊晓梅

标准简介

本标准规定了Cu/Nb(3)Sn线材铜与非铜体积比的测试方法。本标准适用于横截面积为0.1 mm(2)~3.0mm(2),铜与非铜体积比大于或等于0.1的Nb(3)Sn复合超导线。本标准对芯丝直径不作要求,但不适用于Sn、Cu-Sn合金、阻隔层材料或是其他非铜部分弥散在铜基体中的超导线材,也不适用于稳定材料分散的超导线材。另外,铜与非铜体积比的测量在Nb(3)Sn成相热处理前或后均可以进行(参见附录E)。本标准的Cu/Nb(3)Sn线材具有圆形或矩形截面的一体化结构。尽管不确定度有所增加,本标准测试方法对横截面积和铜与非铜体积比超出本标准规定范围的Cu/Nb(3)Sn线材也适用。经过适当修正,本标准给出的测试方法可应用于其他复合超导线材

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最后更新时间 2025-09-06