Microstructural changes in Ti6Al4V alloy welds made using electron beam welding and adding different thicknesses of commercial purity titanium sheet

摘要

Ti6Al4V alloy offers a very good combination of properties which makes it one of the most common titanium alloys for many applications. However, there are some properties that need to be improved. The ductility and fracture toughness of the weld metal in high energy processes such as electron beam welding or laser processes should be highlighted here. In the present study, changes in weld metal composition were considered by using different filler metal morphologies such as wire or sheet. The present paper summarizes some comparative results of different sheet thicknesses, including metallographic characterization, hardness and toughness tests.