Method for producing metal products

Details Method for producing metal products Method for producing metal products

B - Operations, Transporting

22

F

B22F 9/08 (2006.01) B22F 3/115 (2006.01) C23C 4/12 (2006.01)

Patent

CA 2570924

The invention relates to a method for producing products from metal, such as powders, foils, coats, and shaped articles, such as bolts, tubes or metal sheets from metal in the form of semi-finished products (15). According to said method, the metal of the semi-finished articles (15) is molten and atomized by means of an inductive magnetic field (12), and left to solidify to a powder in a chamber (25) or sprayed onto a support and left to solidify on said support. The molten metal is supplied as a film (21), stabilized by gas flows (14), in a gas nozzle (10) that is either configured as a Laval or a Venturi nozzle, and is then atomized by additional gas flows (13).

L'invention concerne un procédé de fabrication de produits en métal tels que des poudres, des pellicules, des revêtements et des pièces moulées telles que des boulons, des tubes ou des tôles en métal, sous forme de demi-produit (15). Selon ledit procédé, le métal du demi-produit (15) est fondu et pulvérisé au moyen d'un champ magnétique inductif (12), et amené à se solidifier sous forme de poudre dans une chambre (35) ou pulvérisé sur un support et compacté sur le support. Le métal fondu est introduit en tant que pellicule (21) stabilisée par des courants de gaz (14) dans une buse à gaz (10) conçue en tant que buse de Laval ou en tant que buse de Venturi, puis pulvérisé par d'autres courants de gaz (13).

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