Talk Composites - The Forum for Advanced Composites

galvanic corrosion between carbon fibre and aluminium

http://www.talkcomposites.com/Topic14490.aspx

By franckG31 - 1/8/2015 8:15:37 PM

Hello,

I want to assemble à Wing (hydrofoil) onto a 1 inch carbon tube. I wanted to wrapp an aluminium plate with carbon fiber around the tube so to be able to drill and bolt into the aluminium.

I see there can be some galvanic corrosion. What should i do to isolate the aluminium? Would a simple coat of resin be enough ? Is there some minimum thickness ?

These could be out at sea... And although the AL is going to be into the part, the bolts (stainles steel) are going to be into the Al...

Is there the same problem with brass ?

regards

Thanks for the videos and all of the site. It is very "pro".Smile

Franck
By franckG31 - 1/9/2015 6:56:49 PM

Thanks for all the repliesSmile

I have Au4G which isn't great for corrosion so I'll try to use brass or stainless steel inserts.

Franck