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2 825 660

(13)

(51)

IPC

B22F9/16(2006-01-01)

C01B32/90(2017-01-01)

C01B32/949(2017-01-01)

(21) (22)

Application

2024111312, 2024-04-23

(24)

Start date

2024-04-23

(22)

Actual filing date

2024-04-23

(45)

Published

2024-08-28

(72)

Inventor

Kolosov Valerij NikolaevichMiroshnichenko Marina Nikolaevna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Federalnyj Issledovatelskij Tsentr Nauchnyj Tsentr Rossijskoj Akademii Nauk" Knts Ran)

METHOD OF PRODUCING POWDER OF METAL CARBIDE OF SIXTH GROUP Russian patent published in 2024 - IPC B22F9/16 C01B32/90 C01B32/949

Abstract RU 2825660 C1

FIELD: powder metallurgy.

SUBSTANCE: invention relates to powder metallurgy, particularly, to production of powders of sixth group metal carbides. Heating of Cr, Mo, W or Cr₂O₃, MoO₂, MoO₃, WO₂, WO_2.9, WO₃ in an inert gas atmosphere to temperature of 600–850 °C. Then, thermal treatment is carried out at this temperature in carbon-containing gas in the form of a mixture of inert gas in amount of 75–97 vol.% and vapour of organic liquid in amount of 3–25 vol.%.

EFFECT: reduced average particle size of carbide powder, wider range of obtained carbides and safety of the method due to exclusion of use of hydrogen.

3 cl, 1 tbl, 11 ex

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RU 2 825 660 C1

Authors

Kolosov Valerij Nikolaevich

Miroshnichenko Marina Nikolaevna

Dates

2024-08-28—Published

2024-04-23—Filed