GB/T 19289-2019/IEC 60404-13:2018 代替 GB/T 19289-2003
电工钢带(片)的电阻率密度和叠装系数的测量方法
Methods of measurement of resistivity. density and stacking factor of electrical steel strip and sheet (IEC 60404-13:2018. Magnetic materials— Part 13： Methods of measurement of resistivity, density and stacking factor of electrical steel strip and sheet. IDT)
2019-06-04 发布
2020-05-01 实施
前言.............................................1
1范围............................................1
2规范性引用文件.......................................1
3术语和定义.........................................1
4电阻率的测定........................................1
4.1总则.........................................1
4.2测量原理.......................................2
4.3试样.........................................4
4.4测量装置.......................................4
4.5测量程序.......................................5
4.6 再现性.......................................5
4.7检测报告.......................................5
5密度的测定.........................................6
5.1总则........................................6
5.2基于电阻测蛍的方法（方法D1）........................... 6
5.3气体比重瓶法（方法D2） ............................ 8
5.4检测报告.......................................8
6叠装系数..........................................9
6.1 总则........................................9
6.2试样.........................................9
6.3测最程序.......................................9
6.4再现性......................................10
6.5检测报告......................................10
附录A （资料性附录）一种用矩形试样片测量电阻率装置的实例（方法R2） ......... 11
附录B （资料性附录）采用气体比重瓶法（方法D2）测定密度的实例 .............12
附录C （资料性附录）根据硅和铝含最计算密度（方法D4） ................ 15
参考文献..........................................16