Particulate composite ceramic material, part comprising said material, and method for the preparation of said part

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United States of America Patent

PATENT NO 12037292
APP PUB NO 20200392046A1
SERIAL NO

16766991

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Abstract

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A particulate composite ceramic material may include: particles of at least one first ultra-high-temperature ceramic “UHTC,” the outer surface of the particles being at least partially covered by a porous layer made of at least one second UHTC in amorphous form; and the particles defining a space therebetween; optionally, porous clusters of the at least one second ultra-high-temperature ceramic in amorphous form, distributed in said space; a dense matrix and at least one third UHTC in crystallized form at least partially filling the space; optionally, a dense coating made of at least the third UHTC in crystallized form, covering the outer surface of the matrix, the matrix and the coating representing 5% to 90% by mass with respect to the total mass of the material. A part may include such a particulate ceramic composite material.

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Patent Owner(s)

Patent OwnerAddress
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES75015 PARIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
David, Patrick Saint-Cyr-sur-Loire, FR 24 351
Martegoutte, Julien Herin, FR 1 2
Piquero, Thierry Fondettes, FR 4 292
Schuster, Frederic Saint-Germain-en-Laye, FR 6 103

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