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2 118 669

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C1

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IPC

(21) (22)

Application

96116968/25, 1996-08-20

(22)

Actual filing date

1996-08-20

(45)

Published

1998-09-10

(72)

Inventor

Beljaev E.Ju.Lomovskij O.I.Golubkova G.V.

(73)

Holder

Institut Khimii Tverdogo Tela I Pererabotki Mineral'Nogo Syr'Ja So Ran

method of preparing thermoelectric material Russian patent published in 1998 - IPC

Abstract RU 2118669 C1

FIELD: electronics engineering. SUBSTANCE: material of invention is applicable in thermoelectric generators, cooling elements, and heat pumps. Material is prepared from charge containing iron, silicon and alloying agent in the form of copper or aluminum powder. Synthesis is carried out in planetary mill with acceleration of grinding bodies 600-1000 m/O3-FeSi2 for 15-30 min. Alloying agents are added in quantity up to 12 mol % (Co) or up to 10 mol % (Al), and annealing is conducted at 780-880 C for 3-5 h. EFFECT: improved working characteristics of material.

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RU 2 118 669 C1

Authors

Beljaev E.Ju.

Lomovskij O.I.

Golubkova G.V.

Dates

1998-09-10—Published

1996-08-20—Filed

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