TY - JFULL AU - N. Karunakaran and V. Balasubramanian PY - 2013/4/ TI - Transient Three Dimensional FE Modeling for Thermal Analysis of Pulsed Current Gas Tungsten Arc Welding of Aluminum Alloy T2 - International Journal of Mechanical and Mechatronics Engineering SP - 483 EP - 491 VL - 7 SN - 1307-6892 UR - https://publications.waset.org/pdf/9996993 PU - World Academy of Science, Engineering and Technology NX - Open Science Index 75, 2013 N2 - This paper presents the results of a study aimed at establishing the temperature distribution during the welding of aluminum alloy plates by Pulsed Current Gas Tungsten Arc Welding (PCGTAW) and Constant Current Gas Tungsten Arc Welding (CCGTAW) processes. Pulsing of the GTA welding current influences the dimensions and solidification rate of the fused zone, it also reduces the weld pool volume hence a narrower bead. In this investigation, the base material considered was aluminum alloy AA 6351 T6, which is finding use in aircraft, automobile and high-speed train components. A finite element analysis was carried out using ANSYS, and the results of the FEA were compared with the experimental results. It is evident from the study that the finite element analysis using ANSYS can be effectively used to model PCGTAW process for finding temperature distribution. ER -