Forming a Steel Sphere

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  • #6
Clad welding uses explosives to bond dis-similar metals. I'm sure there was a lot of trial and error in perfecting the science of both methods.
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  • #8
I thought about that back in the late 1970s when using clad to weld aluminum boat houses to steel decks.

There was no internet at the time, but a brochure come with the clad describing its properties. Dupont manufactured the product, and I could only guess back then that they discovered the method serendipitously through their regular explosives research.

Close inspection reveals interlocking waves, like a hand-shake, between the dis-similar metals. So the bond has sure mechanical properties as well.