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Application

98115546/02, 1998-08-10

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Actual filing date

1998-08-10

(45)

Published

1999-06-20

(72)

Inventor

Kablov E.N.Orekhov N.G.Tolorajja V.N.Koljasnikova N.V.Golubovskij E.R.Ostroukhova G.A.Chabina E.B.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Aviatsionnykh Materialov

NICKEL-BASE HEAT-RESISTANT ALLOY Russian patent published in 1999 - IPC

Abstract RU 2131944 C1

FIELD: metallurgy. SUBSTANCE: nickel-base alloy has the following components, wt. -%: carbon 0.005-0.12; chrome 13.5-14.5; cobalt 8.0-12.0; tungsten 3.0-5.0; molybdenum 1.5-2.5; titanium 3.4-4.3; aluminium 3.5-4.8; niobium 0.4-1.4; tantalum 0.2-1.0; hafnium 0.1-0.4; boron 0.001-0.02; yttrium 0.005-0.05 and nickel - the rest. Alloy is designated for making the gas turbine high-temperature unit articles exhibiting the directed and monocrystalline structures by method of the directed crystallization at high yield of ingots (by macrostructure data). EFFECT: improved quality and properties of the alloy. 2 tbl

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RU 2 131 944 C1

Authors

Kablov E.N.

Orekhov N.G.

Tolorajja V.N.

Koljasnikova N.V.

Golubovskij E.R.

Ostroukhova G.A.

Chabina E.B.

Dates

1999-06-20—Published

1998-08-10—Filed

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