The use of interlayer in explosive cladding process enhances the loss of kinetic energy (released from the detonation of chemical explosive). The loss of kinetic energy, if not controlled judiciously, leads to a defective explosive clad interface with the presence of brittle, as-cast molten layer. The influence of interlayer in explosive cladding of three dissimilar metal combinations (Aluminum-Low carbon steel, Copper-Stainless steel, and Aluminum-Copper) is discussed on the plinths of Triaxial Weldability Windows, microanalysis, and strengths of clad. It is concluded that the weldability domain is enhanced by the use of interlayer, and consequently, the litheness of the industrial exploitation of this joining process.

Explosive cladding is a solid state process in which joining of dissimilar metals is accomplished by the acceleration of one of the components at extremely high velocity by employing chemical explosives. This study focuses on developing a model to predict the heat transfer during cladding and to determine the characteristics of the shock compressed gas developed at the standoff distance during cladding. The influence of interlayer on the amount of heat transferred is also investigated. It is concluded that the amount of heat transferred and the kinetic energy lost during collision at the interface determine the morphology of the interface.