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Master Bond adhesives

Alliance RB-215 Radially Oriented NdFeB Magnet
Categories: Metal; Electronic/Magnetic Alloy

Material Notes: The technology for producing rare earth ring magnets with radial magnetic fields has been around for decades, however only in recent years has the cost of manufacturing them come to a point where the magnets are an affordable replacement to traditional multi segmented arcs. There are three main manufacturing methods for producing bonded and sintered radial oriented rings: Anisotropic Pressure Molding, Hot Pressing & Backward Extrusion, Radial Rotating Field Alignment. Each of these methods produces magnets with certain advantages and disadvantages over the others.

Information provided by Alliance LLC.

Key Words: Anisotropic Bonded NdFeB Permanent Magnet
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Physical PropertiesMetricEnglishComments
Density >= 5.90 g/cc>= 0.213 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Modulus of Elasticity 27.6 GPa4000 ksi
Compressive Strength 29.0 MPa4200 psi
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0250 ohm-cm
@Temperature 20.0 °C
0.0250 ohm-cm
@Temperature 68.0 °F
Magnetic Coercive Force, Hc 5000 - 7000 Oe5000 - 7000 Oe
 13000 - 15000 Oe13000 - 15000 OeIntrinsic
Magnetic Remanence, Br 8500 - 10000 Gauss8500 - 10000 Gauss
Magnetic Maximum Energy Product, BH 18 - 21 MGOe18 - 21 MGOe
Curie Temperature 290 °C554 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear 4.30 µm/m-°C2.39 µin/in-°FPerpendicular to M
 8.20 µm/m-°C4.56 µin/in-°FParallel to M
Maximum Service Temperature, Air <= 80.0 °C<= 176 °FContinuous
 
Descriptive Properties
Reversible Temperature Coefficients-0.11α Br. %/°C
 -0.55β Hcj. %/°C

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

NALLIAN9863 / 268420

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