Neo Iron Boron Magnetic Materials Properties Data

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Neo Iron Boron Magnetic Materials Properties Data









 
Neodymium Iron Boron - Magnetic Properties
Grade Press1 Br (kGauss) Hc (kOersteds) Hci (kOersteds) BHmax (MGOe) Temperature Coefficients (%/°C) Maximum Operating Temp @ Pc = 2 (2)
Range Typical Minimum Range of Br of Hci (°C) (°F)
N5311 D 14,2 ~ 14,7 10,3 11,0 48 ~ 53 -0.11 -0.65 ~ 80 ~ 170
N5014 I 13,9 ~ 14,4 13,1 14,0 46 ~ 51 -0.11 -0.61 ~ 130 ~ 260
N5011 D 13,9 ~ 14,4 10,3 11,0 46 ~ 51 -0.11 -0.61 ~ 110 ~ 230
N4916 D 13,5 ~ 14,1 12,7 16,0 44 ~ 49 -0.11 -0.61 ~ 140 ~ 280
N4914 D 13,6 ~ 14,1 12,8 14,0 45 ~ 49 -0.11 -0.61 ~ 130 ~ 260
N4616 D 13,2 ~ 13,7 12,5 16,0 41 ~ 46 -0.11 -0.61 ~ 140 ~ 280
N4614 D 13,3 ~ 13,8 12,2 14,0 42 ~ 46 -0.11 -0.61 ~ 130 ~ 260
N4518 D 13,2 ~ 13,7 12,5 18,0 41 ~ 45 -0.11 -0.55 ~ 150 ~ 300
N4321 D 12,7 ~ 13,2 12,0 21,0 39 ~ 43 -0.10 -0.54 ~ 160 ~ 320
N4316 D 12,8 ~ 13,3 12,0 16,0 39 ~ 43 -0.10 -0.59 ~ 150 ~ 300
N4025 D 12,2 ~ 12,8 11,5 25,0 36 ~ 40 -0.10 -0.50 ~ 200 ~ 390
N4021 D 12,3 ~ 12,9 11,6 21,0 36 ~ 40 -0.10 -0.55 ~ 160 ~ 320
N3917 D 12,3 ~ 12,7 11,7 17,0 36 ~ 39 -0.10 -0.59 ~ 150 ~ 300
N3730 D 11,6 ~ 12,2 11,0 30,0 33 ~ 37 -0.10 -0.45 ~ 230 ~ 440
N3725 D 11,4 ~ 12,0 11,2 25,0 32 ~ 37 -0.08 -0.51 ~ 230 ~ 440
N3621 D 11,9 ~ 12,5 11,7 21,0 34 ~ 39 -0.09 -0.53 ~ 160 ~ 320
N3530 D 11,3 ~ 11,9 10,7 30,0 31 ~ 35 -0.10 -0.46 ~ 230 ~ 440
N3428 I 11,2 ~ 11,8 11,1 28,0 30 ~ 34 -0.08 -0.51 ~ 240 ~ 460
N3412 D 11,7 ~ 11,9 10,9 12,0 33 ~ 34 -0.11 -0.61 ~ 110 ~ 230
N3335 D 11,0 ~ 11,6 10,4 35,0 29 ~ 33 -0.10 -0.42 ~ 250 ~ 480
N3330 D 11,1 ~ 11,7 10,5 30,0 29 ~ 33 -0.08 -0.44 ~ 230 ~ 440

1 D: Die-Pressed, I: Isostatically-Pressed
2 The Maximum Operating Temperature shown here is for magnets operating at a Permeance Coefficient of 2. At the temperatures shown the material's BH Curve does not develop a knee and is still fairly linear.

Neodymium Iron Boron - Typical Physical Properties
Density Bending Strength Compressive Strength Electrical
Resistivity (Ωm)
Coeff. Of Thermal Expansion3 Curie Temperature
(kg/m3) (lbs/in3) (kg/m2) (lbs/in2) (kg/m2) (lbs/in2) // M M (°C) (°F)
7.6 x 103 0.275 2.95 x 103 4.2 x 104 9.6 x 103 1.3 x 105 1.4 x 10-6 7.9 x 10-6 -1.7 x 10-6 345 655

3 // M Parallel to magnetic orientation, ”´M Perpendicular to magnetic orientation

 
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