Improvement of fatigue resistance and ductility of TiAl6V4 processed by selective laser melting

By G. Kasperovich, J. Hausmann. 2015

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Additive manufacturing of Ti6Al4V alloy: A review (2019, neutral): “01% after HIP [48], and the size of pores were also dramatically reduced [47].”
Additive Manufacturing of Titanium Alloy for Aircraft Components (2015, background): “Several researches on the field of titanium alloy manufacturing by SLM are been carried out and are showing a high potential for its application [8,9,10].”
A review of the as-built SLM Ti-6Al-4V mechanical properties towards achieving fatigue resistant designs (2018, background): “The occurrence of such defects has also been confirmed by Kasperovich and Hausmann [26], who observed elongated voids perpendicular to the build direction, occurring from insufficient energy density.”
Improving the fatigue behaviour of a selectively laser melted aluminium alloy: Influence of heat treatment and surface quality (2016, methodology): “Edwards and Ramulu [20] recommended peening to induce compressive residual stresses at the surface since their Ti-6Al-4V SLM parts had tensile residual stresses.”
A comparison of fatigue strength sensitivity to defects for materials manufactured by AM or traditional processes (2017, background): “Higher than this temperature, the microstructure is composed of elongated a in a b matrix [68,77], which can also be obtained by HIP [76,77].”