China permanent magnet manufacturer: www.rizinia.com

General physical properties of Nd-Fe-B, a third generation rare earth permanent magnet material

参数 Parameter 单位 Unit 标称值 Standard Data
居里温度(Tc) Curie Temperature
°C
310-380
最高工作温度(Tw) Maximum Operating Temperature
°C
80-200
硬度 Hardness
Hv
620
电阻率(r) Electrical Resistivity
W cm
1.8×10-2.0×10
密度(D) Density
g/cm
7.50-7.65
回复磁导率(m rec) Recoil Permeability
1.05
磁化场强度(Hs) Magnetization Field Strength
Koe
≥30
KA/m
≥2400
抗弯强度 Bending Strength
Mpa
295-345
剩磁温度系数(aBr) Temp.Coefficient of Br
%/°C
-0.11~-0.12
内禀矫顽力温度系数(aHcj) Temp.Coefficient of Hcj
%/°C
-0.5~-0.
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