Abstract
Explosive welding is a useful method for joining similar or dissimilar metal alloys that are not easily joined by any other means of welding. Insertion of an interlayer between two-parent plates is beneficial to control the welding parameters and improve the welding quality. In order to investigate the importance of interlayer during the explosive welding process, this paper presents the numerical simulation of explosive welding of Ti6Al4V-SS304 in the presence of different interlayer materials, i.e. SS304, Ti6Al4V, CP-Ti, Cu, Al. To understand the whole welding process with efficient computational time, coupled smoothed particle hydrodynamics -Euler -Arbitrary Lagrangian-Eulerian formulation was opted. Results were analyzed on the basis of different material interlayers. Welding parameters, i.e. pressure, temperature, plastic strain and interface morphology revealed that interlayer improved the welding quality. Furthermore, as an interlayer, the materials with high strength showed high welding strength.
Highlights
Welding technology is applied in many fields, i.e. aerospace, power plants, chemical industries and transportation etc
The current paper provided a possible option to simulate the whole explosive welding process, especially in the presence of an interlayer with less computational time
Numerical simulation results revealed that interlayer performed a significant role to control the energy loss
Summary
Welding technology is applied in many fields, i.e. aerospace, power plants, chemical industries and transportation etc. Mousavi et al [5] simulated the plates collision process to understand the interface morphology, i.e. jetting, humps, wavy and flat shapes etc. For this purpose, they used ANSYS Autodyne software package. These brittle intermetallics are weakened the joint strength of the composite welded plate Formation of these intermetallics can be decreased by controlling the energy loss during impact [9]. The effect of interlayer during explosive welding process was studied with the help of simulation. For this purpose, coupled Euler-ALE-SPH approach was used with ANSYS-AUTODYNE software package. Results were analyzed on the basis of interface morphology, pressure, temperature and plastic strain
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