Posted by Gordon England on February 13, 2003 at 11:11:45:
In Reply to: tungsten carbide (nickel based) coating posted by Ken Stone on February 06, 2003 at 20:31:22:
: Does anyone out there know a suitable coefficient of friction (static or dynamic) for a valve seat ring coated with a nickel based tungston carbide rubbing against a cast nickel-copper wedge? (This is a wedge gate valve in steam or seawater)
: I'd appreciate your input.
: Ken
Hi Ken
I doubt whether you will get any specific values for this combination without testing it for yourself. I would suspect the coefficient of friction will be not be particularly low. Are you experiencing problems with this combination of materials?
Regards Gordon
Follow Ups:
Please go to the new Surface Engineering Forum as this old message board is a read only archive. Please copy and paste relevant information or link to this page if you wish to reactivate this thread on the new forum.
