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Re: Discoloured Components/Postcuring Revisited

Subject: Re: Discoloured Components/Postcuring Revisited
From: Miles McCallum <milesm@avnet.co.uk>
Date: Wed, 9 Apr 1997 21:38:14

>Post Curing- Is there an "unthought of" disadvantage in keeping an aluminium
>straight edge attached to my rudders hinge flange and trailing edge during
>the postcure at the recommended temperature? I thought of using wood however
>I feel it may be a thermal insulator to the glass it is in contact with, so
>I think metal should take up the same ambient temperature as the components
>being postcured. Thermal deflection of the metal is a concern, however "L"
>shaped angle should minimise this.

The temperature rise should be slow enough that the wood temp = composite
temp, but there is a danger that the wood could warp... however, I would use
"U" channel rather than L section: much more likely to be straight...

Miles



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