Sintered fe-co type magnetic materials and production...

C - Chemistry – Metallurgy – 22 – C

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C22C 38/30 (2006.01) B22F 3/10 (2006.01) C22C 33/02 (2006.01) C22C 38/10 (2006.01) C22C 38/12 (2006.01) H01F 1/22 (2006.01)

Patent

CA 1340687

Disclosed herein is an economical process for the production of a sintered Fe-Co type, Fe-Co-V type or Fe-Co-Cr type magnetic material, which comprises preparing an alloy powder of at least Fe and Co metals or a like powder, kneading it with an organic binder, conducting injection molding and debinding, and then conducting a two-stage sintering treatment consisting of low-temperature sintering and high-temperature sintering. Magnetic materials having a specific composition of the Fe-Co, Fe-Co-V or Fe-Co-Cr type and excellent magnetic properties and a low core loss value are also disclosed.

613806

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