Production of high purity ultrafine metal carbide particles

Details Production of high purity ultrafine metal carbide particles Production of high purity ultrafine metal carbide particles

C - Chemistry, Metallurgy

01

B

C01B 31/30 (2006.01) C01B 31/36 (2006.01) C04B 35/56 (2006.01) C04B 35/563 (2006.01) C04B 35/565 (2006.01) C04B 35/571 (2006.01) C04B 35/626 (2006.01)

Patent

CA 2673311

The production of ultrafine metal carbide powders from solid metal carbide and nitrogen-containing material is disclosed. The starting materials are fed together or separately to a plasma system where the solid metal carbide is melted and/or vaporized in the presence of nitrogen to form ultrafine metal carbide particles of high purity.

Cette invention se rapporte à la production de poudres ultrafines de carbure métallique à partir d'un carbure métallique solide et d'un matériau azoté. Les matières premières sont introduites ensemble ou séparément vers un système plasma où le carbure métallique solide est fondu et/ou vaporisé en présence d'azote pour former des particules de carbure métallique qui sont ultrafines et d'une grande pureté.

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