Additive manufacturing of a novel low-cost titanium alloy: enhancement of processing and properties for aerospace applications

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Additive manufacturing of metal components is an emerging technology that will transform Canada's manufacturing landscape. Integral to Canada's success in this area is the development of new materials that are tailored to the complex physical processes occurring during AM. This project will demonstrate the potential of a low-cost beta titanium alloy that is ideally suited for the rapid solidification conditions present during AM. The enhanced strength achieved through beta-Ti alloys combined with the cost savings realized through the use of pre-mixed elemental powders/powder metallurgy has the potential to disrupt component design in the aerospace industry within the next 10 years.The proposed research is divided into two areas of study. The first is the development of a structure-process-properties relationship for the alloy of interest produced through wire-arc-additive manufacturing and then heat treating. The second is the corresponding modelling of structure evolution and mechanical property evolution during processing. The joint goal of the proposed research program is to identify the optimal processing conditions for producing beta-titanium alloys via additive manufacturing. Two PhD students will be trained through this university-industry collaborative research project.