Volume 15, Issue 1 (March 2018)                   IJMSE 2018, 15(1): 40-52 | Back to browse issues page


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Naseri M, Alipour M, Ghasemi A, Davari E. Finite Element Studies on Friction Stir Welding Processes of Polyethylene Plates. IJMSE. 2018; 15 (1) :40-52
URL: http://ijmse.iust.ac.ir/article-1-1087-en.html
Abstract:   (1994 Views)
One of the interesting state-of-the-art approaches to welding is the process of friction stir welding (FSW). In comparison with the fusion processes, FSW is an advantageous method as it is suitable for the non-fusion weldable alloys and polymeric materials joining. Regarding the materials pure solid state joining, it also provides joints with less distortion and enhanced mechanical properties. In the present work, a three-dimensional (3D) model based on finite element analysis was applied to study the thermal history and thermomechanical procedure in friction stir welding of high density polyethylene plate. The technique includes the tool mechanical reaction and the weld material thermomechanical procedure. The considered heat source in the model, includes the friction among three items: the material, the probe and the shoulder. Finally, the model was validated by measuring actual temperatures near the weld nugget using thermocouples, and good agreement was obtained for studied materials and conditions.
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