Influence of Tool Geometry and Process Parameters on the Properties of Friction Stir Spot Welded Multiple (AA 5754 H111) Aluminium Sheets.
作者： Sebastian Balos , Saurav Goel , Saurav Goel , Saurav Goel , Danka Labus Zlatanovic
DOI: 10.3390/MA14051157
关键词: Edge (geometry) 、 Welding 、 Scanning acoustic microscope 、 Rotational speed 、 Composite material 、 Materials science 、 Spot welding 、 Microstructure 、 Dwell time 、 Delamination
摘要: Friction stir spot welding is an emerging spot-welding technology that offers opportunities for joining a wide range of materials with minimum energy consumption. To increase productivity, the present work addresses production challenges and aims to find solutions for the lap-welding of multiple ultrathin sheets with maximum productivity. Two convex tools with different edge radii were used to weld four ultrathin sheets of AA5754-H111 alloy each with 0.3 mm thickness. To understand the influence of tool geometries and process parameters …
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