Cemented carbide tool and method of making

Details Cemented carbide tool and method of making Cemented carbide tool and method of making

B - Operations, Transporting

22

F

B22F 3/12 (2006.01) C22C 1/04 (2006.01) C22C 1/05 (2006.01) C22C 29/02 (2006.01) C22C 29/08 (2006.01) C23C 30/00 (2006.01) C23C 16/34 (2006.01) C23C 16/36 (2006.01) C23C 16/40 (2006.01)

Patent

CA 2404294

A coated cemented carbide tool (20, 70), and a method for making the same, wherein the as-sintered substrate (30, 79) is formed by sintering in an atmosphere having at least a partial pressure and for a part of the time a nitrogen partial pressure.

L'invention concerne un outil à mises rapportées en carbure revêtu (20, 70), et un procédé de fabrication dudit outil. Dans ledit outil, le substrat fritté (30, 79) est formé par frittage dans une atmosphère présentant au moins une pression partielle et, pour une partie du temps, une pression partielle à l'azote.

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