TIG welding of Ti6Al4V alloy: Microstructure, fractography, tensile and microhardness data

Omoniyi, Peter; Mahamood, Modupe; Jen, Tien-Chien; Akinlabi, Esther

TIG welding of Ti6Al4V alloy: Microstructure, fractography, tensile and microhardness data

2021

Omoniyi, Peter | Mahamood, Modupe | Jen, Tien-Chien | Akinlabi, Esther

Titanium alloy is widely used in many industries due to its unique weight to strength ratio and high corrosion resistance. A suitable method of joining Titanium and its alloys is using Tungsten Inert Gas (TIG) welding. A significant advantage of TIG welding over other fusion welding is its ability to use non-consumable electrodes. This research was carried out on Ti6Al4V alloy of 2-3 mm thickness using TIG welding. Current and gas flow rates were varied, with Argon used as the inert gas for the welding. The data and images presented in this article account for the mechanical (tensile and microhardness), fractography, and microstructural properties of the welded samples. This article will foster simulation of heat input and flux and mechanical properties of TIG-welded Ti6Al4V alloy.

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