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2 841 569

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IPC

C22F1/10(2006-01-01)

C22F1/18(2006-01-01)

B21J5/00(2006-01-01)

B82Y40/00(2011-01-01)

(21) (22)

Application

2024125036, 2024-08-27

(24)

Start date

2024-08-27

(22)

Actual filing date

2024-08-27

(45)

Published

2025-06-09

(72)

Inventor

Cherkasov Vladimir VladimirovichKarelin Roman DmitrievichKomarov Viktor SergeevichKhmelevskaya Irina YurevnaAndreev Vladimir AleksandrovichYusupov Vladimir SabitovichProkoshkin Sergej Dmitrievich

(73)

Holder

Federalnoe Gosudarstvennoe Avtonomnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Issledovatelskij Tekhnologicheskij Universitet

METHOD OF PRODUCING TITANIUM NICKELIDE SOLID SAMPLES WITH NANOCRYSTALLINE STRUCTURE Russian patent published in 2025 - IPC C22F1/10 C22F1/18 B21J5/00 B82Y40/00

Abstract RU 2841569 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy, specifically to a method for thermomechanical processing of bulk workpieces made from an alloy with shape memory effect based on titanium nickelide (TiNi), and can be used for making devices with shape memory effect in engineering and medical fields. Method of producing solid workpieces from nickel-transequiatomic titanium nickelide Ti_49.3Ni_50.7 with nanocrystalline structure includes deformation according to equal-channel angular pressing in quasi-continuous mode at temperature of 430-450 °C. Before deformation static aging is performed at temperature 430-450 °C for 1-5 hours with hardening in water, and deformation by quasi-continuous equal-channel angular pressing is carried out until accumulation of true deformation of more than 2.

EFFECT: improved complex of mechanical and functional properties of nickel-transequiatomic alloy with shape memory effect based on titanium nickelide due to increased efficiency of grain crushing.

1 cl, 1 tbl, 1 ex

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RU 2 841 569 C1

Authors

Cherkasov Vladimir Vladimirovich

Karelin Roman Dmitrievich

Komarov Viktor Sergeevich

Khmelevskaya Irina Yurevna

Andreev Vladimir Aleksandrovich

Yusupov Vladimir Sabitovich

Prokoshkin Sergej Dmitrievich

Dates

2025-06-09—Published

2024-08-27—Filed