EXPERIMENTAL AND NUMERICAL STUDY OF FRICTION STIR SPOT WELDING FOR 2024 ALUMINUM PLATES
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Abstract
Friction stir spot welding (FSSW) is a relatively new welding process that may have significant advantages compared to the fusion processes as follows joining of conventionally non-fusion weldable alloys, reduced distortion and improved mechanical properties of weldable alloys joints due to the pure solidstate joining of metals. In this paper, a three-dimensional model based on finite element analysis is used to study the thermal history in the spot-welding of aluminum alloy 2024. The model take place the thermomechanical property on the process of the welded metals. The thermal history and the evolution results with numerical model at the measured point in the friction stirred spot weld have a good matching, then the prediction of the temperature history from the numerical
model in the welded plates is acceptable.
The experimental results of measuring the shear force of the welded plates show that there is a good agreement with the increase of the rotational speed of the tool with shear force.
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References
Ayad M. Takahakh "Effect of Tool Rotational Speed on Properties of 1060 Aluminum Friction Spot Stir welding" F.I.T. Scientific International Conference 2010.
D. Jacquina B. de Meesterb, A. Simarb, D. Deloisonc, F. Montheilleta, C. Desrayauda "A simple Eulerian thermomechanical modeling of friction stir welding "Journal of Materials Processing Technology 211 (2011) 57–65
Fulufthelo Masithulela "Conceptual Design of a FSSW Machine for Joining Rails" M.Sc. research at University of the Witwatersrand, Johannesburg, 2009.
Kenneth C Mills "Recommended values of thermophysical properties for selected commercial alloys" Woodhead Publishing Limited 2002.
Malafaia, A. M. S, Milan, M.T., Oliveira, M.F., Spinelli, D. "Fatigue behavior of friction stir spot welding and riveted joints in an Al alloy" ScienceDirect Procedia Engineering 2 (2010) 1815–1821.
Manthan Malde " thermomechanical modeling and optimization of FSW" COMSEL News a technical computing magazine, www.comsel.com, 2007.
Thomas, W.M., E.D. Nicholas, J.C. Needham,. Friction-stir butt welding. GB Patent No. 9125978.8, International patent application No. PCT/GB92/02203(1991).
Y. Hovanski, M .L. Santellab, G. J. Grant, "Friction stir spot welding of hot stamped boron steel", Script materialila 57 (2007)873- 876.