METHOD FOR MANUFACTURE OF HIGH-DENSITY FERRITE ARTICLES Russian patent published in 1997 - IPC

Abstract RU 2099309 C1

FIELD: powder metallurgy, in particular, methods for manufacture of ferrite articles used in the capacity of cores for computer storage units, magnetic heads, current collectors and some other parts of SHF apparatuses. SUBSTANCE: method for manufacture of high-density ferrite articles of nickel-zinc system includes blending of initial oxides, briquetting, material roasting, milling, blending of produced material, introduction of plasticizer, pressing and sintering. For pressing ferrite powder is used consisting of particles with size ratio corresponds to possibility of their hexagonal or cubic closest packing. EFFECT: higher density of articles and reduced shrinkage factor. 1 tbl

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RU 2 099 309 C1

Authors

Il'Inova G.N.

Majzel' V.V.

Pis'Menskaja G.M.

Popov G.P.

Kharchenko V.A.

Dates

1997-12-20Published

1995-11-15Filed