Alt-BEAM Archive
Message #04554
To: beam@sgiblab.sgi.com
From: Bob Shannon bshannon@tiac.net
Date: Wed, 16 Jun 1999 18:28:15 -0400
Subject: [alt-beam] Re: glue for metals...
To glue sheet aluminum is fairly easy, but you have to prepare the surfaces
before gluing.
Start by scratching up the surfaces to be joined with rough sandpaper or a
file.
this will cut through the oxide layer and also give the glue some texture
to hold
onto.
If your glue bonding joint need to take viberation as you describe, I
suggest that
you place a thin layer of rubber or other flexible material at the joint to
prevent
the bond from being worked loose.
You can see this sort of trick used in bonded metal-epoxy laminate aircraft
such
as the (excellent) Grumman AA-1 and AA-5 (Yankee and Tiger) aircraft.
"G.R.Reddy" wrote:
> Hi!
>
> I am having problems sticking two 1mm thick sheets of aluminum. I tried
> araldite and other general purpose epoxy glues, but its not strong
> enough. I would really appreciate if some one can suggest me some sure
> shot glue to stick aluminium. This is for my autonomous flying machine.
> The problem could be vibrations caused by engine. Presently nothing
> works, i just want to get over my initial problems of things falling
> apart.
>
> Thanks
> Reddy
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