COMPOSITE MATERIAL Russian patent published in 2024 - IPC B01J32/00 B22F3/11 B22F3/14 C04B35/478 B01J21/06 B01J21/02 B01J21/18 B01J23/20 

FIELD: production of composite materials.

SUBSTANCE: invention relates to powder composite materials, from which catalyst carriers, gas absorbers and filter elements can be made, promising for use in chemical industry and hydrogen power engineering, using high-efficiency catalytic processes for synthesis of ammonia and steam-gas conversion of hydrocarbons. Described is a heat-resistant composite catalyst carrier (gas absorber), which includes a base of sintered particles of spongy titanium powder, ceramic surface layer of titanium oxides containing open pores limited by inner walls, characterized by that it contains: in the base of sintered particles of spongy titanium powder, dispersed inclusions of Nb, intermetallic compounds TiAl, Al₆Ti₁₉, TiAl₃ and MAX-phase Ti₂AlC, Ti₃AlC₂; in ceramic surface layer represented by titanium oxides, dispersed inclusions of alpha-Al₂O₃, TiN, wherein thickness of which is 100–400 mcm; in the ceramic layer on the inner walls of the pores, represented by titanium oxides, dispersed inclusions of alpha-Al₂O₃, TiN, as well as TiC and sigma-AlNb₂, wherein thickness of which is 5–50 mcm.

EFFECT: high strength and gas-absorbing properties of the base of composite materials, as well as chemical activity of metal catalysts deposited on the surface layer, including increase of its heat resistance and resistance to high-temperature corrosion.

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