A diamond-coated tool and a process for making them. The process includes a sintering step. In that step, a substrate is sintered in an atmosphere and for a time and at a temperature so that superficial, exaggerated grain growth is promoted that imparts a surface roughness which may serve as anchoring...http://www.google.fr/patents/US5648119?utm_source=gb-gplus-shareBrevet US5648119 - Process for making diamond coated tools and wear parts
Process for making diamond coated tools and wear parts