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2 236 929

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IPC

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Application

2003121646/02, 2003-07-17

(24)

Start date

2003-07-17

(22)

Actual filing date

2003-07-17

(45)

Published

2004-09-27

(72)

Inventor

Lagar'Kov A.N.Glazacheva M.V.Kibets S.G.Preobrazhenskij E.A.Rozanov K.N.Semenenko V.N.

(73)

Holder

Institut Teoreticheskoj I Prikladnoj Ehlektrodinamiki Ob"Edinennogo Instituta Vysokikh Temperatur Ran

METHOD OF PRODUCING MAGNETIC POWDER MATERIAL Russian patent published in 2004 - IPC

Abstract RU 2236929 C1

FIELD: metallurgy.

SUBSTANCE: method includes milling the powder of carbonyl iron in a protecting environment and subsequent working. The specific kinetic energy of effect of milling bodies on the material to be worked should be from 65 J/kg to 600 J/kg to produce plate-shaped particles of the powder provided with the specific surface no less than 1.4 m²/g and tangent of super-high-frequency of magnetic losses no less than 1.0.

EFFECT: improved radio wave absorption capabilities.

8 cl, 1 dwg

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RU 2 236 929 C1

Authors

Lagar'Kov A.N.

Glazacheva M.V.

Kibets S.G.

Preobrazhenskij E.A.

Rozanov K.N.

Semenenko V.N.

Dates

2004-09-27—Published

2003-07-17—Filed