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From: Klusmanp@aol.com
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Date: Wed, 16 May 2001 19:29:01 EDT
Subject: Re: Chicken Rivets
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          <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>>
          <<  Lancair Builders' Mail List  >>
          <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> 
>>
In a message dated 5/14/01 6:19:09 PM EST, RWolf99@aol.com writes:
<< Umm, I don't think that's really what's going on here.  Quite often 
adhesives 
 are strong in shear and tension but weak in peel (kinda like velcro).  
<SNIP>

Yes, that is exactly what the rivets do, they take any peel load better than 
the bond adhesive. As such they act as a stop whenever there is some failure 
in the bond. Any void or separation in the bond can propagate along the 
bondline until it hits a fastener.
   My point regarding the installation of a pressure bulkhead using 
bonding rather than fasteners is that the fasteners will keep any damage 
or failure localized. A bond may have a small area of separation that
may slowly grow until the entire bulkhead fails.
Paul Klusman

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