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Elmet Technologies

Alliance S-22A Samarium Cobalt Magnetic Material  (discontinued **)
Categories: Metal; Electronic/Magnetic Alloy; Nonferrous Metal; Cobalt Alloy

Key Words: SmCo Magnet Magnets
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Physical PropertiesMetricEnglishComments
Density 8.40 g/cc0.303 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 550550
Modulus of Elasticity 110 GPa16000 ksi
Flexural Strength 120 MPa17400 psi
Compressive Strength 1000 MPa145000 psi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000500 - 0.0000600 ohm-cm0.0000500 - 0.0000600 ohm-cm
Magnetic Coercive Force, Hc 9100 Oe9100 Oe
 16000 Oe16000 OeIntrinsic
Magnetic Remanence, Br 9500 Gauss9500 Gauss
Magnetic Maximum Energy Product, BH 22 MGOe22 MGOe
Curie Temperature 750 °C1380 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear 7.00 µm/m-°C
@Temperature 20.0 °C
3.89 µin/in-°F
@Temperature 68.0 °F
Parallel DOM
CTE, linear, Transverse to Flow 13.0 µm/m-°C
@Temperature 23.0 °C
7.22 µin/in-°F
@Temperature 73.4 °F
Perpendicular to M
Specific Heat Capacity 0.370 J/g-°C0.0884 BTU/lb-°F
Thermal Conductivity 10.0 W/m-K69.4 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 250 °C482 °F
 
Descriptive Properties
Reversible Temp Coef., Bd-0.05 %/°C
Reversible Temp Coef., Hd+0.25 %/°C
Temperature Coefficient, Br-0.04 %/°C(20-100°C)
Temperature Coefficient, Hci-0.045 %/°C(20-100°C)

**
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