Re: Looking for oxydation protection of graphite

You can consider refractory washes or paints as applied for sand molds
in foundries. I remember a zircon wash being used . Hope this helps.

Arun Rao
jbuch <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>...
> Christine Gagnon wrote:
> > I am looking for a paint, surface treatment or coating to prevent or delay
> > oxydation of graphite in contact with both air and molten aluminum.
> > 
> > 
> > 
> 
> You could look into SiC coatings by the pack cementation method.
> 
> This was used for Carbon/Carbon composites on the shuttle leading edges 
> and nosecone.
> 
> You could also consider application of SiC by the CVD process, as used 
> for oxidation protection for CVD pellets encapsulating nuclear fuel in 
> the various pebble bed reactors.
> 
> If your temperature range of interest is only the melting point of 
> aluminum plus maybe 100 degrees, there could be other alternatives, but 
> I have no suggestions.
> 
> Jim
> 
> -- 
> ...............................
> 
> 
> Keepsake gift for young girls.
> Unique and personal one-of-a-kind.
> Builds strong minds 12 ways.
> Guaranteed satisfaction
> - courteous money back
> - keep bonus gifts
> 
>   http://www.alicebook.com