Alliance C-4 Sintered SrO-6Fe 2 O 3 Ferrite Magnet

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Alliance C-4 Sintered SrO-6Fe₂O₃ Ferrite Magnet
Categories:	Ceramic; Oxide
Material Notes:	Ferrite magnets, commonly called ceramic magnets, are the most widely used magnet materials. These are the least expensive permanent magnets and are mostly used in Electric Motors and loud speakers. Information provided by Alliance LLC.
Key Words:	Hard Ferrite Ceramic Permanent Magnet
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Physical Properties	Original Value	Comments

Density	>= 4.90 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength	5000 psi
Modulus of Elasticity	26000 ksi

Electrical Properties	Original Value	Comments
Electrical Resistivity	1e+05 @Temperature 20.0 °C
Magnetic Coercive Force, H_c	1700 - 2100 Oe
	1750 - 2150 Oe	Intrinsic
Magnetic Remanence, B_r	3200 - 3400 Gauss
Magnetic Maximum Energy Product, BH	2.3 - 2.7 MGOe
Curie Temperature	450 °C

Thermal Properties	Original Value	Comments
CTE, linear	10.0 µm/m-°C	Perpendicular to M
	14.0 µm/m-°C	Parallel to M
Maximum Service Temperature, Air	<= 350 °C	Continuous

Descriptive Properties
Reversible Temperature Coefficients	-0.2	α Br. %/°C
	0.35	β Hcj. %/°C

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NALLIAN31r / 268370

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