Abstract
Friction welding is based on a rotating tool that penetrates the line of union of the previously fixed and pressed pieces and moves along this line. It is a process of joining materials at low temperatures, in the solid state of metals, below their melting point. The heat generated by the friction of the tool at high rotation further dilutes the base material and flows towards the center of the tool, causing mechanical mixing, the shoulder of which causes the final stage of this material, already cooled. This article proposes to study the influence of the different parameters of FSW welding on the thermal characteristics of weld joints in aluminum and magnesium alloys, numerically. The simulation results confirmed that the temperature distribution is high from shoulder towards the borders of the parts and it was symmetrical with respect to the middle plane. The calculated maximum temperatures for magnesium and aluminum were 843.7 K & 702 K, respectively.
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