Production process for sintered Fe-Co type magetic materials

Details Production process for sintered Fe-Co type magetic materials Production process for sintered Fe-Co type magetic materials

1991-06-13

1992-03-24

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder shape or size characteristics

419 36, 419 37, 419 54, 419 57, G22F 100

Patent

active

050986481

ABSTRACT:
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 of 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.

REFERENCES:
patent: 4826546 (1989-05-01), Yamamoto et al.
patent: 4888068 (1989-12-01), Takunaga et al.
patent: 4968347 (1990-11-01), Ramesh et al.

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