Abstract
Friction stir welding (FSW) is an innovative solid state joining technique and has been employed in industries for joining aluminum, magnesium, zinc and copper alloys. The FSW process parameters such as tool, rotational speed, welding speed, axial force, etc play major role in deciding the weld quality. A mathematical modeling was developed based on experiments to predict the tensile strength of dissimilar FSW aluminum alloys. The maximum tensile strength of 210 MPa can be obtained at the tool rotational speed of 1100 rpm, welding speed of 35mm/min and an axial load of 7 kN is the Optimum welding parameters.
Highlights
Friction stir welding (FSW) was a solid state welding technique
The friction stir welding can applied for the materials such as aluminum alloys, copper alloys, magnesium alloys, mild steel, plastics, lead, zinc, titanium, metal matrix composites, magnesium to aluminum, aluminum to steel, aluminum to copper, aluminum to aluminum etc
This paper describes the method to employ RSM to develop empirical relationship relating to the FSW input parameters of tool rotational speed, welding speed, axial load and the 4 output
Summary
Wayne Thomas in December 1991 in The Welding Institute, United Kingdom [1]. In this welding technique the materials which are not able to weld by using the conventional methods are possible to weld [2], [3]. The friction stir welding can applied for the materials such as aluminum alloys, copper alloys, magnesium alloys, mild steel, plastics, lead, zinc, titanium, metal matrix composites, magnesium to aluminum, aluminum to steel, aluminum to copper , aluminum to aluminum etc. In this welding technique, a rotating tool was inserted in between. This paper describes the method to employ RSM to develop empirical relationship relating to the FSW input parameters of tool rotational speed, welding speed, axial load and the 4 output.
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