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Explosion <strong>Welding</strong><br />
<strong>Welding</strong> is achieved in this process by very high contact pressure pressure<br />
developed by detonating a thin layer of explosive placed over one one<br />
of the pieces to be joined. The detonation imparts high kinetic<br />
energy to the piece which on striking the other piece causes plastic plastic<br />
deformation <strong>and</strong> squeezes the contaminated surface layers out of<br />
the interface resulting in a high quality welded joint. No filler filler<br />
material is used <strong>and</strong> no diffusion takes place. The nature of bond bond<br />
is<br />
metallurgical, in many cases combined with a mechanical<br />
interlocking that results from rippled or wavy interface between the<br />
metals.
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