Matrix for a hard composite

Details Matrix for a hard composite Matrix for a hard composite

C - Chemistry, Metallurgy

04

B

C04B 35/56 (2006.01) C22C 1/04 (2006.01) C22C 1/05 (2006.01) C22C 26/00 (2006.01) C22C 29/02 (2006.01)

Patent

CA 2203882

A matrix powder for formation along with an infiltrant into a matrix for use as a wear element or for use in retaining at least one discrete hard element (20). The matrix powder includes crushed sintered cemented tungsten carbide particles (22). The composition of the crushed sintered cemented tungsten carbide comprises between about 6 weight percent and about 13 weight percent binder metal and between about 87 weight percent and about 94 weight percent tungsten carbide.

L'invention concerne une poudre matricielle qui, avec un agent d'infiltration, permet de former une matrice destinée à être utilisée comme élément d'usure ou comme matériau capable de retenir au moins un élément dur séparé (20). La poudre pour matrice comprend des particules métalliques de carbure de tungstène (22) broyé et fritté. La composition en question comprend environ 6 à 13 %, en poids, de métal liant, et entre environ 87 et 94 % de carbure de tungstène.

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