GB/T 38090-2019
电动汽车驱动电机用永磁材料技术要求
Technical requirements of permanent magnets for drive motor of electric vehicle
2019-10-18 发布
2020-05-01 实施
目 次
前言...........................................1
1范围..........................................1
2规范性引用文件.....................................1
3术语及定义.......................................1
4牌号..........................................1
5要求..........................................2
5.1磁性能......................................2
5.2温度系数.....................................2
5.3电阻率......................................4
5.4抗弯强度.....................................4
5.5产品磁矩一致性..................................4
5-    6高温不可逆磁损.................................4
5.7镀层（或涂层）厚度 ...............................4
5.8耐腐蚀性.................................... 4
5.9结合力……3.................................. 4
5.10外观尺寸....................................4
6试验方法........................................5
6.1磁性能......................................5
6.2温度系数.....................................5
6.3电阻率......................................5
6.4抗弯强度.....................................5
6.5产品磁矩一致性..................................5
6.6高温不可逆磁损..................................5
6.7镀层（或涂层）厚度 ...............................5
6.8耐腐蚀性.....................................5
6-    9结合力.....................................5
6.10外观尺寸....................................6
7检验规则........................................6
7.1检验分类.....................................6
7.2检验项目.....................................6
7.3产品岀厂检验抽样和组批规则 ...........................6
7.4检验结果判定及复验规则..............................6
8标志、包装、运输、贮存.......................................6
8.1    标志............................................6
8.2包装.............................................7
8-3运输、贮存..........................................7
附SA ＜资料性附录）烧结敎铁硼永磁材料CGS与SI单位制牌号对照 ...........8
附录B《规范性附录）烧结敎铁珊永磁材料电阻率测量方法 ..................9
附录C （资料性附录）永磁材料高温不可逆磁损《磁衰减）测量方法.............11
参考文献........................................13