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Old 11-29-2021, 10:51 PM
Rick Mullin Rick Mullin is offline
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Join Date: Mar 2012
Location: Malvern,PA
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Ferrari used a bi-metallic strip to join the aluminum skins to steel structure on the 456 and 550. The aluminum skins were MIG welded to the aluminum surface. It was tricky replacing damaged panels. Careful cleaning back was required to be sure to leave the full layer of aluminum (approximately.035), I would TIG the new skin. I felt I could control the heat better with the TIG despite what I was taught.

I don’t know where I learned that this was a common practice on aircraft carriers. The layers were fused using a form of explosive welding in an oxygen free environment.

Thanks for the post John. It sounds very interesting. Technology continues to advance in leaps and bounds.
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