Abstract
High-velocity impact welding is a kind of solid-state welding process that is one of the solutions for the joining of dissimilar materials that avoids intermetallics. Five main methods have been developed to date. These are gas gun welding (GGW), explosive welding (EXW), magnetic pulse welding (MPW), vaporizing foil actuator welding (VFAW), and laser impact welding (LIW). They all share a similar welding mechanism, but they also have different energy sources and different applications. This review mainly focuses on research related to the experimental setups of various welding methods, jet phenomenon, welding interface characteristics, and welding parameters. The introduction states the importance of high-velocity impact welding in the joining of dissimilar materials. The review of experimental setups provides the current situation and limitations of various welding processes. Jet phenomenon, welding interface characteristics, and welding parameters are all related to the welding mechanism. The conclusion and future work are summarized.
Highlights
Welding technique has wide applications in the areas of aerospace, automobiles, shipbuilding, pressure vessels, and bridges
The welding parameters that have been investigated in different papers vary; for example, The welding have been investigated in different papers vary;distance, for example, they have includedparameters the impactthat angle, detonation velocity, impact velocity, standoff and they have included the impact angle, detonation velocity, impact velocity, standoff distance, and discharge energy
In high-velocity impact welding, the weld configuration was limited by the experimental setup
Summary
Welding technique has wide applications in the areas of aerospace, automobiles, shipbuilding, pressure vessels, and bridges. In solid-state welding, metallurgical bonding occurs below the melting point of materials. Defects such as solidification cracking, distortion, and porosity [2], which appear in fusion welding as a result of the liquid phase, can be avoided in solid-state welding. The advantages of joining dissimilar and other specific materials, such as Al 7075 alloy, titanium, and zinc-coated sheet steels [3], brought solid-state welding back onto the stage. Various have been developed recently, for example, friction stir stir welding, explosive welding welding, pulse (MPW), weldingcold (MPW), cold welding, explosive welding (EXW),(EXW), frictionfriction welding, magneticmagnetic pulse welding welding, welding, welding, ultrasonicroll welding, roll welding, welding, resistance welding,foil vaporizing ultrasonic welding, pressure gaspressure welding,gas resistance welding, vaporizing actuator foil actuator welding gas gun welding (GGW), laserwelding impact welding (LIW).
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