Home / Standards / GB/T 31967.2-2015 GB/T 31967.2-2015 Active Test method for physical property of rare earth permanent magnetic materials—Part 2:Determination of bending strength and fracture toughness 稀土永磁材料物理性能测试方法 第2部分:抗弯强度和断裂韧度的测定 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2015-09-11 Implementation 2016-08-01 Responsible Dept 国家标准委 Drafting Unit N/A