Enhanced aluminum alloy-polymer friction stir welding joints by introducing micro-textures

• DOI: 10.1016/j.matlet.2021.129872
• Publication Date: 2021-04-15T03:23:16Z
• Authors: Wenquan Wang; Suyu Wang; Xinge Zhang; Yuxin Xu; Yingtao Tian; Hu Huang
• Keywords: Friction Stir Welding; Alonizing; Interlocking; Texture (cosmology)

Abstract In this work, a micro-texture through laser ablation pre-treatment on aluminum alloy surface was designed, which successfully induced high bonding strength of aluminum alloy-polymer friction stir welding joints. The bonding mechanism of aluminum alloy-polymer was attributed to the large mechanical interlocking from the geometric grooves in micro-textures and the formation of C–O–Al bond at the interfaces. This study provides new insight of friction stir welding of metal and polymer through controllable surface pre-treatments.