Sm-Co Magnets
 


MAGNETIC PROPERTIES

Item
SAM-15
SAM-5
SAM-15R
SAMLET-9R
SAM-13A
SAMLET-10A
Residual Induction (Br)
mT (kG)
780~810
(7.8~8.1)
380~440
(3.8~4.4)
730~810
(7.3~8.1)
600~660
(6.0~6.6)
700~760
(7.0~7.6)
620~680
(6.2~6.8)
Coercieve Force bHc
kA/m (kOe)
460~510
(5.8~6.4)
240~280
(3.0~3.5)
448~520
(5.6~6.5)
370~450
(4.6~5.6)
414~480
(5.2~6.0)
400~490
(5.0~6.2)
iHc
kA/m (kOe)
720~950
(9~12)
800~1030
(10~13)
720~950
(9~12)
720~950
(9~12)
720~950
(9~12)
720~950
(9~12)
Maximum Energy Product (BH)max
kJ/m3 (MGOe)
103~120
(13~15)
28~40
(3.5~5)
88~120
(11~15)
60~76
(7.5~9.5)
80~103
(10~13)
68~84
(8.5~10.5)
Saturation Magnetizing Force
kA/m (kOe)
≧1600
(≧20)
≧1600
(≧20)
≧1600
(≧20)
≧1600
(≧20)
≧1600
(≧20)
≧1600
(≧20)
Hk
kA/m (kOe)
320~560
(4.0~7.0)
240~560
(3.0~7.0)
240~560
(3.0~7.0)
280~600
(3.5~7.5)
280~560
(3.5~70)
280~600
(3.5~7.5)
Recoil Permeability
  -
1.05
1.05
1.05
1.05
1.05
1.05
Reversible Temp. Coefficient
%/℃
-0.035
-0.035
-0.035
-0.035
-0.035
-0.035
Density (without coating)
Mg/m3
6.6~7.2
6.6~7.2
6.6~7.2
5.7~6.1
6.6~7.2
5.7~6.1
Molding Method
Compaction
Compaction
Injection
Compaction
Injection
Magnetic Orientation
Transverse
Isotropic
Radial
Axial

PHYSICAL AND MECHANICAL PROPERTIES

SAM series

Item
Properties
Hardness
Hv 80~120
Thermal Expansion Coefficient (10-5/℃)
1.30
Compressive Strength (MPa)
31
Young’s Modulus (MPa)
2.9×104
Electric Rresistivity (Ω・m)
0.044

SAMLET series

Item
Properties
Hardness
HR 90~130
Tensile Expansion Coefficient (MPa)
29
ElongationPercentage (%)
2.5~3.0
Young’s Modulus (MPa)
2.9×104
Electric Rresistivity (Ω・m)
0.008