How to bond aluminium honeycomb
How to bond aluminium honeycomb
(OP)
I have a job coming up that requires bonding flat fiberglass sheets to Al. honeycomb. I was curious if there were any special preparations I should take with the Al. to insure a strong bond.
Thanks.
Thanks.





RE: How to bond aluminium honeycomb
Regards,
Cory
Please see FAQ731-376: Eng-Tips.com Forum Policies for tips on how to make the best use of Eng-Tips Fora.
RE: How to bond aluminium honeycomb
Recommend Vapor Degrease.
Wes C.
------------------------------
No trees were killed in the sending of this message, but a large number of electrons were terribly inconvenienced.
RE: How to bond aluminium honeycomb
What is most important to good bonding is to make sure that the adhesive forms good fillets against the core walls and does not run down the cell walls or fail to flow enough to form the filets.
Serious contamination can affect fillet formation but clean core does not require degreasing, or any type of surface prep like PAA or FPL, to bond well.
RE: How to bond aluminium honeycomb
RE: How to bond aluminium honeycomb
1. Fiberglass facesheets - Wet Layup, prepreg or purchased?
2. Core - Aluminum: What thickness, cell size, and foil size?
3. Bonding - Film adhesive or thickened epoxy?
4. Shape - Flat panel or curved within a tool?
5. Pressure - Vacuum bag or weights?
Without the clarity of the part and the untented process, little help can be offered.
RE: How to bond aluminium honeycomb