A study to estimate the tensile strength of friction stir welded AA 5059 aluminium alloy joints
- 325 Downloads
Friction stir welding (FSW) is an important welding technique where in, and optimizing the process parameters will improve the joint strength of the welds. The FSW process and tool parameters play a major role in determining the joint strength. In this paper, an attempt has been made to establish an empirical relationship between the FSW process parameters (rotational speed, welding speed, and axial force) and predicting the maximum tensile strength of the joint. Statistical tools such as design of experiments, analysis of variance, and regression analysis are used to develop the relationships. A non-heat treatable aluminum alloy Aluminium Association 5059 of 4 mm thickness was used as the base material. Response surface methodology is employed to develop the mathematical model. Analysis of variance technique is used to check the adequacy of the developed mathematical model. The developed mathematical model can be used effectively at 95 % confidence level. The effect of FSW process parameter on mechanical property of Aluminium Association 5059 aluminum alloy has also been analyzed in detail.
KeywordsAluminium alloy Anova Friction stir welding Response surface methodology
Unable to display preview. Download preview PDF.
- 1.Thomas W M, Nicholas E D, Needham J C, Dawes CJ (1991) Friction stir butt welding. International Patent Application No.PCT/GB9/02203.Google Scholar
- 5.Blignault C, Hattingh DG, James MN (2012) Optimizing friction stir welding via statistical design of tool geometry and process parameters. J Mater Eng Perform 21(6):927–935Google Scholar
- 9.Raja kumar S, Muralidharan C, Balasubramanian V (2010) Establishing empricial relationships to predict grain size and tensile strength of friction stir welded AA 6061-T6 aluminium alloy joints. 1863–1872Google Scholar
- 10.Hamilton C, Dymek S, Blicharski M (2007) Mechanical properties of al 6061 welds by friction stir welding and metal inert gas welding. Arch Metall Mater 52:67–72Google Scholar
- 13.Anderson T (2003) New developments within the Aluminium Shipbuilding Industry. 58:3–5Google Scholar
- 15.American society for testing and materials (ASTM). In Standard test methods for tension testing of metallic materials, vol. 03.01. West Conshohocken (PA): Annual book of ASTM standards.Google Scholar
- 16.Montogomery DC (1984) Design and analysis of experiments. Wiley, New YorkGoogle Scholar
- 19.Hartawan A, Thoe T B, Ng, S T, Wu H, Liu K (2009) Initial Investigation of Friction Stir Welding. SIMTech Technical Reports: 10(1)Google Scholar