Additive manufacturing of a high niobium-containing titanium aluminide alloy by selective electron beam melting.

By H. Tang, G. Y. Yang, Wei Jia, W. W. He, S. L. Lu, M. Qian. 2015

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Revisiting fundamental welding concepts to improve additive manufacturing: From theory to practice (2020, background): “Though it is observed that decreasing the heat input usually decreases the cracking susceptibility, it has been reported that during powder-bed manufacturing of a titanium aluminides using an electron beam as the heat source an increase in the heat input was beneficial to avoid the development of cr”
Additive manufacturing of metallic components by selective electron beam melting — a review (2016, background): “That design freedom is essential since it allows to design and realise cellular materials with extraordinary properties using SEBM.76,91–93 Strictly speaking, cellular materials are complex, periodic components which have to be built without supports since these cannot be removed from the structure.”
Overview on Additive Manufacturing Technologies (2017, background): “This results in a stress-relieved component, thus limiting the risk of crack formation and the production of not very ductile, or even brittle, materials, such as gamma titanium aluminide intermetallic alloys [118]–[121].”