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2 834 068

(13)

(51)

IPC

C22C1/51(2023-01-01)

B22F3/14(2006-01-01)

(21) (22)

Application

2024113761, 2024-05-21

(24)

Start date

2024-05-21

(22)

Actual filing date

2024-05-21

(45)

Published

2025-02-03

(72)

Inventor

Ageeva Ekaterina VladimirovnaAgeev Evgenii ViktorovichAgeeva Anna Evgenevna

(73)

Holder

Federalnoe Gosudarstvennoe Biudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniia Gosudarstvennyi Universitet"

METHOD OF PRODUCING TUNGSTEN-FREE HARD ALLOY FROM POWDERS OBTAINED BY ELECTRIC EROSION DISPERSION OF “ТН20” ALLOY WASTES IN WATER Russian patent published in 2025 - IPC C22C1/51 B22F3/14

Abstract RU 2834068 C1

FIELD: powder metallurgy.

SUBSTANCE: invention relates to powder metallurgy, particularly, to production of tungsten-free hard alloys. Tungsten-free hard alloy is obtained by spark plasma sintering of powders obtained by electric erosion dispersion of “ТН20” alloy wastes in water at temperature of 1,200 °C, pressure of 40 MPa and holding time of 10 minutes.

EFFECT: improved physical and mechanical properties.

1 cl, 6 dwg, 3 ex

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RU 2 834 068 C1

Authors

Ageeva Ekaterina Vladimirovna

Ageev Evgenii Viktorovich

Ageeva Anna Evgenevna

Dates

2025-02-03—Published

2024-05-21—Filed