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2 154 692

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IPC

(21) (22)

Application

99108780/02, 1999-04-23

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Start date

1999-04-23

(22)

Actual filing date

1999-04-23

(45)

Published

2000-08-20

(72)

Inventor

Rodionov Ju.L.Shcherbedinskij G.V.Zambrzhitskij V.N.Judin G.V.Nasibov Ali Gasan OglyKhromova L.P.Kirillov Ju.G.

(73)

Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Chernoj Metallurgii Im. I.P. Bardina

HIGH-STRENGTH INVAR ALLOY Russian patent published in 2000 - IPC

Abstract RU 2154692 C1

FIELD: metallurgy. SUBSTANCE: high-strength Invar alloy contains the following components, mass-%: nickel, 25.0 to 48.0; cobalt, 2.0 to 20.0; carbon, 0.01 to 0.4; titanium, 0.05 to 4.0; molybdenum, 0.02 to 5.0; vanadium, 0.01 to 3.0 and iron, remainder at the following dependences: %nickel/%cobalt= 2.4 to 24; %titanium + %molybdenum/%carbon = 7 to 52; %nickel + %cobalt/%titanium + %molybdenum + %vanadium = 9 to 20. EFFECT: low magnitudes of temperature coefficient of linear expansion (below 3•10^-6K^-1) within temperature range from 77 to 600 K; enhanced strength properties. 1 tbl, 1 ex

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RU 2 154 692 C1

Authors

Rodionov Ju.L.

Shcherbedinskij G.V.

Zambrzhitskij V.N.

Judin G.V.

Nasibov Ali Gasan Ogly

Khromova L.P.

Kirillov Ju.G.

Dates

2000-08-20—Published

1999-04-23—Filed