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2 256 534

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IPC

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Application

2004111776/02, 2004-04-20

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Start date

2004-04-20

(22)

Actual filing date

2004-04-20

(45)

Published

2005-07-20

(72)

Inventor

Andreev V.G.Gonchar A.V.Letjuk L.M.Men'Shova S.B.Egorov R.N.

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Institut Stali I Splavov" Universitet)

METHOD FOR OBTAINING ANISOTHROPIC STRONTIUM FERRITE Russian patent published in 2005 - IPC

Abstract RU 2256534 C1

FIELD: powder metallurgy, namely production of permanent magnets of strontium ferrites.

SUBSTANCE: method comprises steps of pressing powder in magnetic field and acting upon it by means of ultrasound with frequency 0.5 - 2.0 MHz; further sintering of prepared blanks.

EFFECT: increased energy of magnetic field of permanent magnets.

1 tbl, 1 ex

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RU 2 256 534 C1

Authors

Andreev V.G.

Gonchar A.V.

Letjuk L.M.

Men'Shova S.B.

Egorov R.N.

Dates

2005-07-20—Published

2004-04-20—Filed