Explosion Welding - Principle and Advantages

Explosion welding involves joining materials by pushing them together under extremely high pressure, which is generated by a controlled detonation. The energy from the impact plasticizes the materials, forming a weld, even though only a limited amount of heat is generated. High-ductility metals that have a face-centered cubic arrangement of atoms and do not work to harden quickly are best suited to the process. These include aluminum, copper, stainless steel, gold, silver, and platinum. Typical geometries produced include plates, tubing, and tube sheets. The process is commonly used for welding dissimilar materials, including bonding aluminum to carbon steel in ship hulls and stainless steel or titanium to carbon steel in petrochemical pressure vessels. A disadvantage of this method is that extensive knowledge of explosives is needed before the procedure may be attempted safely.

References:

Materials Science:

U.S. Department of Energy, Material Science. DOE Fundamentals Handbook, Volume 1 and 2. January 1993.
U.S. Department of Energy, Material Science. DOE Fundamentals Handbook, Volume 2 and 2. January 1993.
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See above:
Welding