Letter 13026

Graphite coating 

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Hi,

I want to know how graphite coating is done? And what will the hardness of the coating be?

Nandakumar.N.Naidu
POLYMERS - Coimbatore, T.N, INDIA

Graphite coating can be done using using cathodic arc, sputtering etc. The coating would have both graphitic and diamond phases whose ratio can be controlled. The films are actually called DLC. RF & microwave can be used.

H.R.Prabhakara
- Bangalore, Karnataka, India

Dear Sirs,

There are advanced Silicon Carbide coatings to coat Graphite -- even high temp resistant Graphite repair products

Thanking you,

Ravindra Joshi
- Mumbai, Maharashtra, India

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