Thermoplastic coated iron powder components and methods of makin

Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Plural heating steps including sintering

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419 53, 252 6254, 148301, 264 66, B22F 100, C04B 3504, H01F 100

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active

052681408

ABSTRACT:
A method is provided for producing a high strength iron based component by powder metallurgical techniques but without sintering. A powder composition of iron-based particles coated or admixed with a thermoplastic material is compacted under heat and pressure by traditional powder metallurgical techniques. The pressed component is then heat treated at a temperature above the glass transition temperature of the thermoplastic material for a time sufficient to bring the component to the heat treatment process temperature. The resulting component has increased strength and can be used as a structural component or as a magnetic core component.

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