Compression Bonded
Neodymium
Magnetic Material Characteristics Download entire curve data series - 6 page PDF file: EAM-ComprBond-Neo-PhysProp.pdf
99 Kb
MAGNETIC
CHARACTERISTICS
EAM-A
9H
EAM-B
10
EAM-C
9H
EAM-D
10
EAM-O
8
Residual Introduction B
6.3 kG 0.63 Tesla
6.9 kG 0.69 Tesla
6.3 kG 0.63 Tesla
6.8 kG 0.68 Tesla
6.1 kG 0.61 Tesla
Coercive Force H
5.6 kOe 446 kA/m
5.2 kOe 414 kA/m
5.6 kOe 446 kA/m
5.6 kOe 446 kA/m
5.3 kOe 422 kA/m
Intrinsic Coercivity H
15 kOe 1194 kA/m
9 kOe 716 kA/m
16 kOe 1274 kA/m
10.2 kOe 812 kA/m
12.5 kOe 995 kA/m
Energy Product (BH) max
9 MGOe 72 kJ/M3
10 MGOe 80 kJ/M3
9 MGOe 72 kJ/M3
10 MGOe 80 kJ/M3
8.5 MGOe 68 kJ/M3
Recoil Permeability
1.15
1.22
1.15
1.22
1.15
Temperature Coefficient
of B to 100°C
-0.13 %/°C
-0.105 %/°C
-0.07 %/°C
-0.07 %/°C
-0.13 %/°C
Temperature Coefficient
of H to 100°C
-0.40 %/°C
-0.40 %/°C
-0.40 %/°C
-0.40 %/°C
-0.40 %/°C
Rq'd Magnetizing Force
(open circuit) H
45 kOe 3582 kA/m
35 kOe 2786 kA/m
45 kOe 3582 kA/m
35 kOe 2786 kA/m
45 kOe 3582 kA/m
Maximum Operating
Temperature*
110°C
110°C
125°C
110°C
140°C
PHYSICAL
PROPERTIES
EAM-A 9H
EAM-B 10
EAM-C 9H
EAM-D 10
EAM-O 8
Density
6.0 g/cm3
6.0 g/cm3
6.1 g/cm3
6.1 g/cm3
6.0 g/cm3
Coef of Thermal
Expansion (25° to 200°C)
4.8 µm/m°C
4.8 µm/m°C
4.8 µm/m°C
4.8 µm/m°C
4.8 µm/m°C
Compressive Strength
396 kg/cm2
396 kg/cm2
396 kg/cm2
396 kg/cm2
396 kg/cm2
Tensile Strength
380 kg/cm2
380 kg/cm2
380 kg/cm2
380 kg/cm2
380 kg/cm2
Young's Modulus
8600 kg/cm2
8600 kg/cm2
8600 kg/cm2
8600 kg/cm2
8600 kg/cm2
Poisson Ratio
0.2
0.2
0.2
0.2
0.2
Transverse Rupture
Strength
320 kg/cm2
320 kg/cm2
320 kg/cm2
320 kg/cm2
320 kg/cm2
Hardness
30 Rockwell B
30 Rockwell B
30 Rockwell B
30 Rockwell B
30 Rockwell B
Electrical Resistivity
14000 µohm-cm
14000 µohm-cm
14000 µohm-cm
14000 µohm-cm
14000 µohm-cm
Specific Heat
0.42 Ws/g°C
0.42 Ws/g°C
0.42 Ws/g°C
0.42 Ws/g°C
0.42 Ws/g°C
Thermal Conductivity
0.02 W/cm°C
0.02 W/cm°C
0.02 W/cm°C
0.02 W/cm°C
0.02 W/cm°C
Curie Temperature
305°C
360°C
470°C
470°C
305°C
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