Gordon England Surface Engineering Forum



Re: Fretting wear

Posted by Ram Chattopadhyay (70.112.83.48) on 18:46:27 05/11/04

In Reply to:Fretting wear posted by Stephen Sabol

: I'm looking for a wear coating capable of long term (20,000 hrs) exposure at 900-950C in air. Current chrome carbide coaitngs oxidize / dissolution at these temperatures. Thoughts/suggestions?
:Diffusion layer of chromium should resist high temperature oxidation up to 1000C
Above 1000C, you require diffused aluminum layer to resist oxidation.
(For diffused coatings, see my book on "Advanced Thermally Assisted Surface Engineering Processes'( published by Kluwer Academic Publishers,2004) in the chapter on diffused and CND coatings of Single and Multiple elements.


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