Lightweight constructionHybrid parts through friction stir welding
A new process based on friction stir welding allows aluminum and steel sheets to be welded together with high strength regardless of the sheet thickness. The seam is so stable that the hybrid blanks can even be deep-drawn.
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The Materials Testing Institute at the University of Stuttgart has developed a modification of the friction stir welding process that allows aluminum and steel sheets of different thicknesses to be welded together with high strength. © MPA Stuttgart