[split] Can plasma coat graphite on copper?
10-08-2008, 05:35 PM,
#1
[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.

Thanks
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10-10-2008, 06:43 PM,
#2
RE: [split] Can plasma coat graphite on copper?
Hi hanker886

Sign0016 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 Happy0193.

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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