Issues and Strategies in Friction Stir Welding of Al-Mg-Si Alloy Pipes

This article reviews the Friction Stir Welding (FSW) technique specifically applied to Al-Mg-Si pipe welding. FSW is a solid-state welding method and offers many advantages over traditional fusion welding methods. The article discusses the fundamental principles of FSW, its adaptation to pipe welding, and the process parameters that affect the Al-MgSi pipe welding. Mechanical and microstructural changes, challenges faced during the FSW including issues related to the weld defects are discussed in details. This article provides the recent advancements in FSW of Al-Mg-Si pipe and help the researchers and practitioners in selection of the correct strategy for welding of these materials.