Tuesday 31 May 2016

SIMULATION STUDIES OF FRICTION STIR WELDED ALUMINIUM 7075 ALLOY. -

In this research work, the virtual experiments were carried out to investigate the influence of friction stir welding process (FSW) parameters on output variables such as peak temperature and flow stress of friction stir welding of aluminium alloy AA7075. The process parameters considered in this investigation were rotational speed, traverse speed and shoulder diameter. Friction stir welding simulations were performed using Hyper works (Hyper weld). The results indicate that the FSW process parameters influence the temperature distribution and flow stress during the process. It is found that peak temperature increases and flow stress decreases with increase of rotational speed with varying traverse speed and also found that the peak temperature decreases and flow stress increases with increase of traverse speed with varying rotational speeds. The temperature and flow stress distribution increase with increase of tool shoulder diameter. - See more at: 

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