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(19)

(11)

2 296 382

(13)

(51)

IPC

H01F1/22(2006-01-01)

B22F3/12(2006-01-01)

C22C33/02(2006-01-01)

(21) (22)

Application

2005123144/02, 2005-07-20

(24)

Start date

2005-07-20

(22)

Actual filing date

2005-07-20

(45)

Published

2007-03-27

(72)

Inventor

Dorogina Galina Anatol'EvnaBalakirev Vladimir Fedorovich

(73)

Holder

Gosudarstvennoe Uchrezhdenie Institut Metallurgii Ural'Skogo Otdelenija Rossijskoj Akademii Nauk Imet Uro Ran)

METHOD OF PRODUCTION OF MAGNETICALLY SOFT MATERIAL Russian patent published in 2007 - IPC H01F1/22 B22F3/12 C22C33/02

Abstract RU 2296382 C1

FIELD: powder metallurgy; production of magnetically soft materials.

SUBSTANCE: proposed method is used for manufacture of magnetic circuits operating in low-frequency constant and alternating fields, domestic electrical equipment, for example. Proposed method of production of magnetically soft material includes mixing the iron and ferro-phosphorus powders followed by molding. Molded material is sintered in nitrogen gas at temperature of 1000-110°C by cyclic method through alternation of sintering and cooling.

EFFECT: reduction of sintering temperature; improved service characteristics of material.

3 cl, 1 dwg, 5 tbl, 4 ex

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RU 2 296 382 C1

Authors

Dorogina Galina Anatol'Evna

Balakirev Vladimir Fedorovich

Dates

2007-03-27—Published

2005-07-20—Filed