Effect of Tool Geometry on the Microstructure of Friction Stir Welding of Copper and 316L Stainless Steel
Gautier Huser,
Mayerling Martinez Celis,
Florent Picot
et al.
Abstract:The microstructure evolution during dissimilar friction stir welding of copper with stainless steel 316L is studied. The welding is performed in transparence configuration using tools of two different geometries. The joints are characterized by optical microscopy, scanning and transmission electron microscopy, electron backscattered diffraction, and microhardness. The microstructure and crystallographic texture of base metals are significantly affected. The joint produced using a shoulder of 8 mm in diameter i… Show more
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