[split] Can plasma coat graphite on copper?
10-08-2008, 05:35 PM
|[split] Can plasma coat graphite on copper?
Does anyone knows if plasma can be used to coat fine graphite powder on copper plate. This is to be used as electrode.
10-10-2008, 06:43 PM
|RE: [split] Can plasma coat graphite on copper?
to the Surface Engineering Forum.
I don't think so, certainly not with atmospheric thermal spray techniques, carbon will just burn away. Even if you managed a deposit, I would suspect it would be no better than soot, which you could get simply get by using a very reducing acetylene flame .
Graphite can be deposited, but only when combined or co-sprayed with a metal binder such as with the nickel/graphite abradable coatings.
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