bradler
Civil/Environmental
- Aug 28, 2012
- 5
Got a few ?'s about bonding carbon fiber sheets to an aluminum plate. This is a structural drive train part subject to high loads and vibration. The idea is to reinforce or stiffen a 6061 aluminum torque plate by bonding a carbon fiber laminate onto one or both sides. Im looking at pre made solid carbon quasi laminates without any core material that have a texture finish on one side for a bonding surface.
First question, is the textured epoxy bonding surface on the laminate sufficient to isolate the carbon and aluminum so there is no concern of galvanic corrosion (will be in a wet environment) or should I still consider a thin fiberglass layer between?
Second, any comments on the 3m DP-460, Hysol 9394, or E120HP for this purpose? My oven is too small to fit this part but I might be able to cure at elevated temps. Was also planning on a chromic acid ether to prep the Al and my buddy from Boeing suggested a BR-127 primer for the Al, any other prep concerns?
Thanks Much!
Ryan
First question, is the textured epoxy bonding surface on the laminate sufficient to isolate the carbon and aluminum so there is no concern of galvanic corrosion (will be in a wet environment) or should I still consider a thin fiberglass layer between?
Second, any comments on the 3m DP-460, Hysol 9394, or E120HP for this purpose? My oven is too small to fit this part but I might be able to cure at elevated temps. Was also planning on a chromic acid ether to prep the Al and my buddy from Boeing suggested a BR-127 primer for the Al, any other prep concerns?
Thanks Much!
Ryan