![]() ![]() From the viewpoint of both properties and forming quality, the Ti 60.94Zr 36.72Mo 2.34 (at.%) alloy owns a proper match in mechanical, tribological, chemical, and forming properties, which is widely used in aeroengine components. However, increasing Mo content induces a gradual refinement of the grain and a steady decrease in the lattice constant, which effectively improves the hardness, strength, wear and corrosion resistance of the designed alloys, but slightly weakens ductility and formability. ![]() The consequences exhibit that the microstructure of all designed alloys is featured with near-equiaxed β grains without obvious texture. The effect of Mo content on the microstructure and properties of the L-DEDed alloys was investigated. To solve its insufficient strength, a new series of Ti-Zr-Mo alloys with different Mo contents were designed based on a cluster model and then made by laser-directed energy deposition on a high-purity titanium substrate. The binary Ti-Zr congruent alloys have been a potential candidate for laser-directed energy deposition owing to an excellent combination of high structural stability and good formability.
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