Abstract
Aluminium alloy is widely used in engineering application, and it can be classified based on the constituent elements or alloying elements. Aluminium alloy is preferred for the nature of its tensile strength, ductility, and corrosion resistance in this research to make a dissimilar friction stir welding joint of aluminium alloys 7079 and 8050 materials. The tensile strength of the weld joint is estimated by the influence of the response surface methodology approach. The welding is carried out by preferred process parameters with a tool speed of 1000–2500 rpm, tool pin diameter of 2–6 mm, welding speed of 50–300 mm/min, and tool shoulder diameter of 10–20 mm. The ANOVA analysis and the prediction of tensile strength were conducted efficiently. From the RSM analysis, the tool pin diameter mostly modified the output of the result.
Highlights
The novel technique joins the material permanently by using the friction stir welding process, and the nonconsumable tool is applied to carry the welding process
The friction stir welding process specimens prepared under the dimensions are 100∗ 50∗ 5 mm for each plate [13]
The tool pin diameter ∗ tool pin diameter has contributed at 26.33%, and in the 2-way interaction model, the tool speed ∗ tool pin diameter has the higher percentage contribution such as 6.13%
Summary
The novel technique joins the material permanently by using the friction stir welding process, and the nonconsumable tool is applied to carry the welding process. The FSW process effectively joins all alloys such as aluminium alloys, titanium alloys, copper alloys, magnesium alloys, and steel material by a similar or dissimilar mode. This welding is fruitfully used in joining polymers, and the FSW process is carried out by Wayne. The different tool profiles are used in friction stir welding as cylindrical, square triangular, and threaded, and the tool rotates and passes through a straight line mode [7]. RSM is a statistical technique to find the optimal parameters and the maximum range of the output value [10,11,12]
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