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介绍了日本大同特殊钢公司生产的软磁材料粉末。在烧结合金粉末方面，转矩传感器检测磁环使用１３Ｃｒ系电磁不锈钢粉用于２～３ｋＨｚ高频区。不锈钢粉末烧结材料随其Ｃｒ含量的增高由于残留气孔会引起体积电阻率增高，故适合在交流磁场中使用。安装在车轴上长期用于检测车轮
Introduced by Japan’s Datong special steel company’s soft magnetic powder. In the sintered alloy powder, the torque sensor detects the use of magnetic ring 13Cr stainless steel powder for 2 ~ 3kHz high-frequency area. Stainless steel sintered powder with its Cr content increased due to residual porosity will cause the volume resistivity increased, it is suitable for use in the AC magnetic field. Installed on the axle for long-term detection of wheels