TY - JOUR AU - kaddour, Hachellaf AU - Hadj Miloud, Meddah AU - El Bahri, Ould Chikh AU - Abdallah, Lounis PY - 2018/12/17 Y2 - 2024/03/28 TI - Mechanical Behavior Analysis of a Friction Stir Welding (FSW) for Welded Joint Applied to Polymer Materials JF - Frattura ed Integrità Strutturale JA - Fra&IntStrut VL - 13 IS - 47 SE - Miscellanea DO - 10.3221/IGF-ESIS.47.36 UR - https://www.fracturae.com/index.php/fis/article/view/2208 SP - 459-467 AB - <p>Welding is a technique of fusion joining the material involving a process of inter-molecular diffusion adhesion. Polymer welding is an assembly method among several known assembly techniques such as gluing. This welding process applies to thermoplastics; they have the rheological or softening characteristics during melting. This process is fast and controlled in order to obtain a solid and durable mechanical connection on the series parts. This study focuses on the weldability of high density polyethylene (HDPE) using the friction stir welding technique. A parametric choice was made to optimize the operating parameters namely the shape of the welding tool, the speed of rotation and the speed of advance of the tool.&nbsp; Monotonic tensile tests were used to compare the mechanical characteristics between a HDPE test specimen and a specimen taken from an FSW weldment.</p><p>It emerges from this study that the FSW welding introduces a weakening of the joints characterized by a clear decrease of the deformation at break.</p> ER -