Micronic pre-alloyed metal powder based on three-dimensional...

Details Micronic pre-alloyed metal powder based on three-dimensional... Micronic pre-alloyed metal powder based on three-dimensional...

C - Chemistry, Metallurgy

22

C

C22C 33/02 (2006.01) B22F 1/00 (2006.01) B22F 9/02 (2006.01) B22F 9/20 (2006.01) C01G 39/00 (2006.01) C01G 41/00 (2006.01) C01G 49/00 (2006.01) C01G 51/00 (2006.01) C01G 53/00 (2006.01) C22C 1/04 (2006.01) C22C 30/02 (2006.01)

Patent

CA 2315347

The invention concerns a pre-alloyed metal powder essentially consisting of at least two transition metals selected among iron, cobalt, nickel, copper and zinc, and also capable of containing molybdenum, as well as sintered parts obtained using said powders. Said powders have elementary grain size greater than 200 nm and less than 5 µm. The invention is particularly useful for making special steel parts or for making cutting or grinding tools.

Poudre métallique préalliée constituée essentiellement d'au moins deux métaux de transition choisis parmi le fer, le cobalt, le nickel, le cuivre et le zinc, et pouvant également contenir du molybdène, ainsi que pièces frittées obtenues à l'aide de telles poudres. Ces poudres ont des dimensions de grains élémentaires supérieures à 200 nm et inférieures à 5 µm. Application notamment à l'obtention de pièces en aciers spéciaux ou à l'obtention d'outils de coupe ou d'abrasion.

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