Originally Posted by
Onebyone
It's actually titanium nitride coating, used as a wear- and corrosion-resistant coating on cutting equipment and as a decorative coating on watches. It's pretty cool and useful stuff
Thanks. That is interesting. I always learn something from this board.
It's a funny full-circle for me. As a college student doing a technical/engineering internship in the 80's, I learned about TiN for electronics. I actually ran (and maintained) the equipment types that are used for its deposition onto things. That's when someone mentioned to me "oh, yeah. Your watch? That gold color is TiN". I later learned of its application as a wear coating. And while looking it up this week, that it's often used on medical implants and surgical instruments since it's non-toxic.