Method of producing a sinter-hardened component

Details Method of producing a sinter-hardened component Method of producing a sinter-hardened component

B - Operations, Transporting

22

F

B22F 3/10 (2006.01) C22C 33/02 (2006.01)

Patent

CA 2698139

The invention describes a method of producing a sinter-hardened component from a metallic powder containing chromium which is pre-alloyed in particular, comprising the steps of compacting the powder to form a green compact and then sintering the green compact in a reducing sintering atmosphere at a sintering temperature in excess of 1100° C. A gas containing carbon is added to the sintering atmosphere.

L'invention concerne un procédé de production d'un composant durci par frittage à partir d'une poudre métallique, contenant du chrome, qui est en particulier préalliée, ledit procédé consistant à compacter la poudre pour former un comprimé, puis à fritter le comprimé dans une atmosphère de frittage réductrice à une température de frittage dépassant 1100°C. Un gaz contenant du carbone est ajouté à l'atmosphère de frittage.

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