State of art on wire feed additive manufacturing of Ti-6Al-4V alloy
2020
Abstract Titanium alloys have high strength to low weight ratio, good creep resistance and high temperature strength properties. Based on these properties, Ti alloys are used as a ‘workhorse’ material in the aerospace industry such as engine blades, landing gear assemblies, large structural parts, airframe and drums etc. Traditional fabrication methods of Ti alloy are expensive and inferior in their mechanical properties. Due to continuous development in science and technology, many researchers have been attracted towards Wire Feed Additive Manufacturing (WFAM) for the fabrication of titanium and its alloys. WFAM has set a new trend by accomplishing the production demand of components from medium to large scale with moderate complexity. This additive manufacturing technology generally employes for high material utilization and higher deposition. This state of art highlights the remarkable achievements of WFAM processes followed by their effect of process parameters, microstructural changes, residual stresses and mechanical properties of Ti-6Al-4V alloy.
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