B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
172/12, 75/163,
B22F 3/24 (2006.01) B01D 39/20 (2006.01) B01J 35/00 (2006.01) B01J 35/04 (2006.01) B22F 3/11 (2006.01) F01N 3/20 (2006.01) F01N 3/24 (2006.01) F01N 3/28 (2006.01) H05B 3/12 (2006.01)
Patent
CA 2039509
A heat-resistance metallic monolith, which is manufactured by forming metal powders into a shape of a honeycomb structure and by sintering the shape, has a heat-resistant metal oxide coated on the surface of the cell walls and that of the pores thereof. Such a heat-resistant metallic monolith is manufactured by mixing metal powders, an organic binder and water to prepare a mixture, by forming the mixture into a shape of a desired honeycomb configuration, by sintering the shape in a non-oxidizing atmosphere at a temperature between 1000 and 1450°C and then by coating a heat-resistant metal oxide on a surface of the cell walls and that of the pores of the obtained sintered body.
Cette invention concerne un monolithe métallique réfractaire réalisé par frittage de poudres métalliques en forme de structure en nid d'abeille dont les parois des alvéoles et les pores sont revêtues d'un oxyde métallique résistant à la chaleur. Les monolithes objets de l'invention sont fabriqués en mélangeant des poudres métalliques, un liant organique et de l'eau, en façonnant le mélange obtenu en forme de structure en nid d'abeille de configuration appropriée et en frittant le tout sous atmosphère non oxydante à une température comprise entre 1000 et 1450 degrés Celsius, avant de revêtir d'une couche d'oxyde métallique résistant à la chaleur les parois des alvéoles et les pores de l'objet fritté.
Abe Fumio
Harada Takashi
Mizuno Hiroshige
Ohashi Tsuneaki
Marks & Clerk
Ngk Insulators Ltd.
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