Optimization of Machining Parameters In A Turning Operation of Austenitic Stainless Steel To Minimize Surface Roughness And Tool Wear : A Review
Keywords:
TiAlN, CCD, Talysurf, ANOVA, review, advancement, industrial development.Abstract
Cast aluminium alloy used in automotive and aerospace applications are increasing due to their light weight and castability. It is necessary to weld aluminium castings to themselves and various applications. These alloys are not easily weldable by conventional fusion welding techniques because the quality of the welded joint is deteriorated due to the presence of porosity, hot cracking and distortion. Friction Stir Welding (FSW) process is an emerging solid state joining process in which the material that is welded, does not melt. FSW creates the weld joint without bulk melting. In addition, the thermo mechanical deformation induces dynamic recovery refine structure of the stir region. Therefore, welds made by FSW to have much improved mechanical properties than corresponding fusion welds. Hence, the present investigation is carried out to make a systematic study to understand the effect of FSW process parameters on mechanical and metallurgical properties of cast aluminium-silicon alloy. This paper focus on effect of tool rotation speed, welding speed and axial force for optimum tensile strength, hardness and microstructure of friction stir welded joints of A413 alloy.
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