Originally Posted by
spaceworm
The catch phrase may be: "They put diamond powder in the nitride emulsion" . Could this be a "carbide" coating ptocess? Hard, long wearing. Just a thought, no real basis in thinking this is the process.
Sincerely, Richard
Could be. I really have no idea��. I'm just now learning a little bit about it and don't know what I'm talking about. I've heard about nitride and carbide and hard chrome and all the acids and electrodes involved. It's engineering way beyond me and I've got a Ph.D. (Post hole digger)