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Rust forming on homemade GPU cover

post #1 of 7
Thread Starter 
Hello everyone I have a slight possible problem on my hands. My gpu cover is starting to show signs of rust on the unpainted side after I brushed it. Now I dont really know much about how rust effects pc's but I'm guessing its the worst thing on the planet for them? Please note the gpu cover is NOT touching my card what so ever and has a 5mm space at a minimum between the card itself and the cover itself.

Here is a picture of the cover when I brushed it exactly 20 days ago. I also painted the inside of the cover so rust shouldnt be a problem on the inside of it.



that was it new and this is it now, I have the camera settings knocked up to show what rust is actually there but you can hardly see it in person



Any reply is appreciated greatly as I have no idea what to do with this. redface.gif

Heres a sneaky picture of the build itself**





The psu and hdd bay covers are aluminium so rust is not a problem what so ever on them
post #2 of 7
take it out, wirewheel it down a bit, anti rust paint biggrin.gif
LEGION
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LEGION
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post #3 of 7
That just looks like oxidation. Will happen without any anti rust treatment.
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Destrto3
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post #4 of 7
Rebrush it. Stick it in a sink with soapy water and scrub it really good. Take it out and dry it. Put gloves on, then clean it with acetone or 100% rubbing alcohol. Make sure not to get fingerprints or anything on it, thats why the gloves. Spray it with a matte clear coat and let it dry. As long as you cleaned it well you should not have anymore rust problems.
Edited by RX7-2nr - 8/20/13 at 9:23pm
post #5 of 7
2nd. Laquer sprays thin.

Other options too at this point, you could also try to bluing. Get it hot enough and you'd have a really nice black heatsink. I'd still spray it afterwards though.

Next time using a different grade of stainless will prevent corrosion in a computer setting.. however its significantly more costly.
post #6 of 7
Thread Starter 
Hey everyone thanks for the replies!
Quote:
Originally Posted by RX7-2nr View Post

Rebrush it. Stick it in a sink with soapy water and scrub it really good. Take it out and dry it. Put gloves on, then clean it with acetone or 100% rubbing alcohol. Make sure not to get fingerprints or anything on it, thats why the gloves. Spray it with a matte clear coat and let it dry. As long as you cleaned it well you should not have anymore rust problems.

Yeah I have all the things to do this so I'm going to take it out today and see what it really looks like.

A quick though came into my head last night and it was what if I was to purposly rust up say the edges of the gpu cover like people do with some cars as a kind of rat look?
If I was to do this would cleaning certain parts and clear coat it to control the rust or would it just continue to eat the metal?
post #7 of 7
If the clear coat blocks additional oxygen to the metal then the new rust formation would stop. A couple of coats should do the trick. Think of por paint (paint over rust).
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