C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 16/26 (2006.01) C23C 16/02 (2006.01) C23C 16/27 (2006.01)
Patent
CA 2309590
The present invention relates to a method for increasing the adhesion of diamond layers which are applied on substrates made of sintered metallic carbide. This method comprises submitting the substrate made of sintered metallic carbide to a first selective etching using WC and to a subsequent co- selective etching, and priming the formation of germs using diamond powder before the diamond layer is applied.
Afin d'accroître l'adhérence des couches de diamants appliquées sur des substrats de carbure métallique fritté, l'invention consiste à soumettre le substrat de carbure métallique fritté, tout d'abord à une attaque sélective de WC, puis à une attaque co-sélective, ensuite à amorcer la formation de germes au moyen de poudre de diamant, avant que la couche de diamant soit déposée.
Karner Johann
Schoeb Wolfgang
Kirby Eades Gale Baker
Unaxis Trading Ag
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