Numerical investigation of Temperature distribution in Friction stir welding of aluminum alloys
Author(s):
Vadapalli Preetham Kumar , Dr. Y Seetharama Rao, DVNJ Jagannadha Rao
Keywords:
Friction stir welding, Aluminum alloys plates, Temperature distribution, Numerical simulation.
Abstract
Friction Stir Welding (FSW) is a solid state joining process that uses a non-consumable tool to join two facing work pieces by plastic deformation. In this work, the Numerical thermal analysis of Aluminum Alloy plates of different grades AA5083, AA6063, AA7075 of size 100mm×100mm×6mm is carried out by using ANSYS Workbench. Based on different types of tool profiles, the Bobbin tool is considered and is investigated in this present work. Due to the stirring of materials it is difficult to measure the temperature in stir zone. Numerical simulation helps in finding temperature at stir zone. By considering the transient thermal module, the analysis of temperature distribution of the FSW is carried out. The temperature at stir zone of grade AA5083 is relatively low which is 365.88˚C at 12sec when compared with grade AA6063 and AA7075 having temperature of 1107.6˚C at 11sec and 589.23˚C at 11 sec respectively. It is also found asymmetric temperature distribution exist on both the plates. The numerical simulation results are compared with the experimental results and observed the results of the simulation are in good agreement with that of experimental results.
Article Details
Unique Paper ID: 155525

Publication Volume & Issue: Volume 9, Issue 1

Page(s): 1398 - 1404
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