C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 24/08 (2006.01) B21J 1/00 (2006.01) B21J 1/06 (2006.01) B21J 3/00 (2006.01) B21J 5/00 (2006.01) B22D 7/00 (2006.01) C22F 1/04 (2006.01)
Patent
CA 2396043
The invention concerns a method for making alloy components characterised in that after casting the preform (2) and before transferring it into a forging matrix (5), said preform, still hot at the end of casting, is transferred and completely immersed in a vessel (3) for graphitization coating, then, on coming out of the vessel, the preform temperature enabling the water to be evaporated so that the preform is homogeneously coated with graphite.
Ce procédé de fabrication des pièces en alliage est remarquable en ce qu'après coulage de la préforme (2) et avant le transfert de la préforme dans une matrice de forge (5), ladite préforme, à température de fin de coulée est transférée et immergée totalement dans un bac (3) pour graphitage pour enduction, puis en sortie de bac, la température de la préforme permettant l'évaporation de l'eau de sorte que la préforme est recouverte d'une manière homogène de graphite.
Marks & Clerk
Saint Jean Industries
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