It is one concern of the researchers how magnesium (Mg) alloys solidify under different
conditions and how their microstructure evolves during solidification, and what are the …

Aluminum alloy profiles have been widely used in many fields and are attracting more and
more attention now. However, for the hollow profiles, longitudinal welding lines occur …

Solid-state bonding takes place during the extrusion process to produce a hollow metal
profile through a porthole die, known as extrusion welding. Defective weld seams degrade …

The research was aimed to determine the effects of extrusion process condition on the weld
seam quality of the aluminum alloy AA6082 by using a novel physical simulation method. A …

The extrusion of hollow profiles from high strength aluminium alloys through porthole dies
causes serious problem in practice. Mainly, this is due to low weldability of these alloys and …

The quality of extrusion welding in the extruded hollow shapes is influenced significantly by
the pressure and effective stress under which the material is being joined inside the welding …

The mechanical behavior (strength and ductility) of the cold-welded seams that are
inevitable in hollow profiles and tubes extruded through porthole dies are investigated with …

In the present study, both the experimental approach and the finite element analysis were
employed to study the effects of the process parameters on the extrusion of aluminum-alloys …

Detailed analysis of different metalforming methods of light and durable integral elements
dedicated for the aerospace industry is the main aim of the work. Description of an integral …

Extrusion porthole die plays an important role in hollow profile manufacturing of light alloys.
The reliability of extruded parts is strongly affected by the quality of extrusion longitudinal …