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2 778 240

(13)

(51)

IPC

C22F1/18(2006-01-01)

C22C14/00(2006-01-01)

(21) (22)

Application

2021114553, 2021-05-21

(24)

Start date

2021-05-21

(22)

Actual filing date

2021-05-21

(45)

Published

2022-08-16

(72)

Inventor

Popov Nikolaj NikolaevichPresnyakov Dmitrij Valentinovich

(73)

Holder

Rossijskaya Federatsiya, Ot Imeni Kotoroj Vystupaet Gosudarstvennaya Korporatsiya Po Atomnoj EnergiiFederalnoe Gosudarstvennoe Unitarnoe Predpriyatie Federalnyj Yadernyj Tsentr Vserossijskij Nauchno-Issledovatelskij Institut Eksperimentalnoj Fiziki"

METHOD FOR MANUFACTURING AN ALLOY WITH A HIGH-TEMPERATURE SHAPE MEMORY EFFECT Russian patent published in 2022 - IPC C22F1/18 C22C14/00

Abstract RU 2778240 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy, namely, to manufacturing alloys with a high-temperature shape memory effect, and can be used in the nuclear, aerospace, coal, chemical, and other industries. Method for manufacturing an alloy with a high-temperature shape memory effect includes annealing of an alloy containing, at. %: nickel 49.5 to 50.0, hafnium 2.5 to 5.0, titanium the rest, followed by deformation. Annealing is performed in a vacuum at a temperature of 850°C for 1 hour, and deformation is performed by inducing deformation by stretching 5 to 11% at a temperature T_d from -5 to 25°C and a deformation rate from to .

EFFECT: reduction in shape restoration temperature interval to the values of 100 to 170°C and increase in the value of the SME to values above 4%.

1 cl, 1 tbl, 1 ex

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RU 2 778 240 C1

Authors

Popov Nikolaj Nikolaevich

Presnyakov Dmitrij Valentinovich

Dates

2022-08-16—Published

2021-05-21—Filed