Explosive Welding
Explosive welding is an explosion-driven pressure welding process in which metal plates collide with high kinetic energy. The shock wave breaks off surface oxides and forms a metallurgical bond.
Physicochemical mechanism of action
In explosive welding, metal plates are collided by an explosive impact. The high kinetic energy removes surface oxides and dirt, while the shock wave metallurgically bonds the plates.
Metallurgical relevance & risks during welding
Explosive welding is especially useful for difficult joints or heavily oxidized surfaces. However, an inaccurate impact can lead to uneven deformation or splinters that can impair the quality of the weld.
Workshop practice & instructions
Explosive welding requires special equipment. The plates must be precisely aligned and firmly mounted. The impact impulse is generated by an explosive charge that must be carefully placed and safely initiated. Safety measures are crucial, as this is a high-energy process.