Titanium powder sintered compact

B - Operations – Transporting – 22 – F

Patent

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B22F 5/00 (2006.01) B01D 39/20 (2006.01) B22F 1/00 (2006.01) B22F 3/11 (2006.01) H01M 2/32 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2437914

Provided are a porous sintered compact suitable for a filter, a power feeder in a polymer electrolyte membrane type water electrolyzer, a current collector in a solid polymer fuel cell and in addition a liquid dispersion plate, especially an ink dispersion plate for an ink jet printer ink and the like. A titanium powder sintered compact made of a plate-like porous compact is obtained by sintering spherical powder made of titanium or a titanium alloy produced by means of a gas atomization method. A void ratio in the range of from 35 to 55% is realized by filling without applying a pressure and sintering without applying a pressure.

L'invention concerne un corps poreux approprié pour un élément d'alimentation dans un filtre ou un bain d'électrolytes à polymère solide, pour un collecteur dans une pile à combustible à polymère solide et pour une plaque de dispersion de liquide, notamment une plaque de dispersion de liquide d'imprimant à jet d'encre. Une poudre globulaire produite au moyen d'un procédé d'atomisation de gaz et constituée de titane ou d'un alliage de titane est frittée afin de former une pastille frittée, poreuse et lamellaire, à base de poudre de titane. Un remplissage non pressurisé ou un frittage non pressurisé permet d'obtenir une porosité de 35-55 %.

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