Bonding Carbon Fibre to Aluminium


Bonding Carbon Fibre to Aluminium
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Aaron Howe
Aaron Howe
Aaron Howe
posted 7 Years Ago HOT
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Hi,
   I've bought the carbon fibre naca vent from you which I'll be bonding to an aluminium bonnet to feed cool air to ITBs. Looking through your store the permabond 515 looked like it would fit the bill but I would appreciate some advice from someone who knows more than I do. Additionally how much would I need to bond the duct as its sold in 50ml or 400ml quantities. 
I've also been told I need to seal the aluminium before bonding carbon fibre to it otherwise it would cause corrosion. Is there a specific product for sealing it or can I just use a normal epoxy primer?

Cheers

Aaron
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Aaron Howe
Aaron Howe
Aaron Howe
posted 7 Years Ago HOT
Forum Member (43 reputation)Forum Member (43 reputation)Forum Member (43 reputation)Forum Member (43 reputation)Forum Member (43 reputation)Forum Member (43 reputation)Forum Member (43 reputation)Forum Member (43 reputation)Forum Member (43 reputation)
Group: Forum Members
Posts: 4, Visits: 8
Pic below of the planned location. Sorry for the poor MS paint skills Smile not my car but just one I used to illustrate where I'm planning to put it.
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Bonding Carbon Fibre to Aluminium
Aaron Howe - 7 Years Ago
     Hi Aaron! You should not use any kind of primer under the bonding. If your bonnet is already painted with a high quality 2-component auto paint- the CF can be bonded to that and be as strong as...
Dravis - 7 Years Ago
             You're a star thanks very much for the quick response. Its a standard bonnet with factory paint so I assume it's 2 pack paint already. Do you know how much of theVM100 Vuduglu I'd need for the Naca.....
Aaron Howe - 7 Years Ago
     You will only need the smallest amount - i.e. the 25 ml syringe should be enough .. that also saves you buying the "gun" for the 50 ml "cartridge" Really you can use any good epoxy or methacrylate.....
Dravis - 7 Years Ago
     Hi Aaron Where on the bonnet are you planning to put the duct? I ask this because part of the bonnet will have low pressure air flowing over it (usually the middle section). If the duct isn't locate...
Steve Broad - 7 Years Ago
     Pic below of the planned location. Sorry for the poor MS paint skills :) not my car but just one I used to illustrate where I'm planning to put it.
Aaron Howe - 7 Years Ago
     You are in an area of reduced pressure. When fitted, tape some 4" long wool tufts in and around the duct to check that the air is actually flowing in rather than out. If you can't see get someone to....
Steve Broad - 7 Years Ago
     :) yeah it would be a bit late once I'd cut the hole and stuck it on. So you think further forward would be safer? I could always create a tunnel under the bonnet to make sure the airflow underneath....
Aaron Howe - 7 Years Ago
             Better off further back. However, aesthetics do come into it as you are not building a race car :-) Also, without actual data for your car I can't give you the best location. The existing vents, are...
Steve Broad - 7 Years Ago

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