Abstract
The friction stir welding is an innovative process also coined as ‘green’ technology. The physical understanding of the process can be described by the combined effort of experimental examination and modelling of the same. The primary thing in the process is to carry out the thermal modelling in order to understand the temperature distribution in the material. In the present experimental investigation a Tribometer has been used to understand the variation of co-efficient of friction between a high strength tool (die steel) with a base metal of 6061-T6 aluminium alloy, in order to develop a realistic thermal model. A thermo-mechanical model using the obtained value of coefficient of friction is developed using a Finite Element package, Comsol Multiphysics. The thermal analysis is done and also the effect of various welding parameters on the same is studied.
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