Ferrite molding and its manufacturing method

Details Ferrite molding and its manufacturing method Ferrite molding and its manufacturing method

1991-04-09

1992-06-09

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

419 19, 419 32, 419 38, 419 39, C22C 2912

Patent

active

051203510

ABSTRACT:
This invention is a ferrite molding made by a manufacturing method of molding and sintering ferrite particles, which are made by pre-sintering of magnetic materials including iron oxide, together with metallic particles mixed therein by a hydrostatic pressing at extra-high pressure, whereby metal fills in between the ferrite particles. The ferrite molding has improved ductility so as to resist chipping and breaking and has extremely low hydroscopicity so as to maintain its characteristics.

REFERENCES:
patent: 3502584 (1970-03-01), Denes
patent: 3775328 (1973-11-01), Denes
patent: 4255193 (1981-03-01), Slesar et al.
patent: 4966625 (1990-10-01), Charles et al.
patent: 5000909 (1991-03-01), Charles et al.
patent: 5001014 (1991-03-01), Charles et al.
patent: 5002727 (1991-03-01), Okimoto et al.

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