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2 561 567

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IPC

C22C14/00(2006-01-01)

C22F1/18(2006-01-01)

(21) (22)

Application

2014123937/02, 2014-06-10

(24)

Start date

2014-06-10

(22)

Actual filing date

2014-06-10

(45)

Published

2015-08-27

(72)

Inventor

Demakov Sergej LeonidovichGadeev Dmitrij VadimovichIllarionov Anatolij Gennad'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Avtonomnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Federal'Nyj Universitet Imeni Pervogo Prezidenta Rossii B.N. El'Tsina"

METHOD OF HEAT TREATMENT OF LARGE-SIZE PRODUCTS FROM HIGH-STRENGTH TITANIUM ALLOY Russian patent published in 2015 - IPC C22C14/00 C22F1/18

Abstract RU 2561567 C1

FIELD: metallurgy.

SUBSTANCE: method of heat treatment of large-size products from high-strength titanium alloy containing wt %: 4.0…6.3 of aluminium, 4.5…5.9 of vanadium, 4.5…5.9 of molybdenum, 2.0…3.6 of chrome, 0…5 of zirconium, 0…6 of stannum, 0…0.5 of silicon, titanium and inevitable impurity - the rest, includes cooling with V₁<3°C /min of single-phase β-area up to the temperature T₁<370°C and the subsequent aging at the temperature T₂=370…600°C during 1…12 hours. After aging the additional heating and processing of alloy in the range T₃=T₂…T_β within 1…12 hours, cooling at the speed V₂>V₁ up to the temperature T₄ which isn't higher than T₂ temperature, and the subsequent repeated aging in the range of the temperatures T₂ within 1…12 hours.

EFFECT: increase of strength and impact viscosity.

2 cl, 1 dwg, 1 tbl, 1 ex

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RU 2 561 567 C1

Authors

Demakov Sergej Leonidovich

Gadeev Dmitrij Vadimovich

Illarionov Anatolij Gennad'Evich

Dates

2015-08-27—Published

2014-06-10—Filed