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Authors
Affiliations
1 Sri Sairam Engineering College, West -Tambaram, Chennai, 44, IN
2 Department of Mechanical Engineering, Sri Sairam Engineering College, West-Tambaram Chennai, Tamil Nadu, 600044, IN
Source
International Journal of Engineering Research, Vol 3, No SP 1 (2014), Pagination: 148-150
Abstract
Friction stir welding (FSW) is a new innovative solid state joining technique for joining similar and dissimilar metal which has been used in aerospace, rail, automotive and marine industries. This paper to optimized the effect of the tool shape and welding parameter on 6.35mm thick 7075- T651 aluminium plates. The process parameters are optimized by using the ANOVA technique based on L9 orthogonal array. Experiments have been conducted based on three process parameters, namely, the tool rotation rate (rpm), welding speed and axial force at three different levels. Impact Strength has been predicted for the optimum welding parameters and their percentage of contribution in producing a better joint is calculated, by applying the effect of the signal-to-noise ratio and analysis of variance. The results indicate that the rotation rate (rpm), welding speed and axial force are the significant parameters in deciding the Impact Strength of the joint.
Keywords
Aluminium Alloy, Friction Stir Welding, Tensile Strength, Impact Strength, Analysis of Variance, Signal-to-Noise Ratio.
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