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By the manufacturers of powder metallurgy, chemical composition of the
-SmCo /SmCo
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Extremely hard and brittle
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High-magnetic retreat
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The excellent anti-corrosion properties
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Limited raw materials, the high cost
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Good temperature stability
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General physical properties
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Parameters
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Curie temperature
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700-800
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The maximum temperature
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250
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Resistivity
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.cm
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50-90
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Hardness
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Hv
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450-600
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Density
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g/cm
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8.0-8.5
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Reply permeability rate
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rec
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1.10
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Saturation magnetization
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kOe
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>37.5
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kA/m
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>3,000
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Remanence temperature coefficient
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%/
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-0.05~-0.03
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Intrinsic coercive force temperature coefficient
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%/
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-0.25~-0.19
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