Affiliation:
1. Sathyabama University
2. St. Joseph’s College of Engineering
Abstract
This paper presents a novel approach for the optimization of welding parameters on dissimilar friction stir welded joints between AA6061T-651 and AA7075T-651 aluminium alloys with multiple responses based on orthogonal array by grey relational analysis. Experiments are conducted by varying the welding parameters related to three pin profiles. In this study, welding parameters namely rotational speed, welding speed and pin profiles are optimized with the considerations of multi responses such as ultimate tensile strength and hardness. A grey relational grade is obtained from the grey analysis. Based on the grey relational grade, optimum levels of parameters have been identified and significant contribution of parameters is determined by ANOVA (Analysis of Variance). Confirmation test is conducted to validate the test result. Experimental results have shown that the responses in welding process can be improved effectively through this novel approach.
Publisher
Trans Tech Publications, Ltd.
Reference9 articles.
1. W. M. Thomas, E. D. Nicholas, J. C. Needham, M. G. Murch, P. Templesmith and C. J. Dawes. Improvements relating to Friction stir Welding,. International Patent Application, PCT/GB92/02203 (Patent) December (1991).
2. Cavaliere, P., De, Santis A., Panella, F., and Squillace, A. Effect of welding parameters on mechanical and microstructural properties of dissimilar AA6082– AA2024 joints produced by friction stir welding. Mater. Des. 2008, 30, 609–616.
3. Moreira, P., Santos, T., Tavares S., Richter, V., Vilaça, P., and De Castro, P. Mechanical and metallurgical characterization of friction stir welding joints of AA6061-T6 with AA6082-T6. Mater. Des. 2009, 30, 180–187.
4. P. Cavaliere, R. Nobile, F.W. Panella, A. Squillace"Mechanical and micro structural behaviour of 2024–7075 aluminium alloy sheets joined by friction stir welding" International Journal of Machine Tools & Manufacture 46 (2006) 588–594.
5. P Bahemmat , MHaghpanahi , MK Besharati, S Ahsanizadeh, and H Rezaei, Study on mechanical, micro-, and macrostructural characteristics of dissimilar friction stir welding of AA6061-T6 and AA7075-T6, Proc. IMechE Vol. 224 Part B: J. Engineering Manufacture, (2010).
Cited by
7 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献