Abstract
Due to their light weight and cast ability, cast aluminium alloys are gradually being used in aerospace and automotive applications. Welding aluminium castings together for variety of applications is very critical. Due to the existence of hot cracking, porosity and distortion, these alloys are difficult to fuse using conventional fusion welding techniques. Friction Stir Welding (FSW) is a revolutionary joining technology in solid state that does not require welded and melting the material, without the required for bulk melting, FSW forms the weld connection. Additionally, during dynamic recovery, the thermomechanical deformation refines the structure of the stir zone. As a result, FSW welds exhibit much superior mechanical properties compared to comparable fusion welds. As a result, the current inquiry will examine the outcome of FSW practice factors on the mechanical properties and metallurgical of cast aluminum–silicon alloys in a systematic manner. The effects of welding speed, rotation speed of tool, and axial force on the tensile strength, hardness, and microstructure of friction stir welding joints made of aluminum alloy are presented and discussed in this paper.
Published Version
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