期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 660, 期 -, 页码 461-470出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2015.11.141
关键词
Additive manufacturing; 3D printing; Selective laser melting; Titanium; Tantalum
In this study, selective laser melting (SLM) was used to fabricate samples of titanium-tantalum (TiTa) alloy comprising 50 wt% of each element. Based on observation from scanning electron microscopy, asfabricated samples comprised of randomly dispersed pure tantalum particles in a TiTa matrix. The microstructure exhibited equiaxed grains of beta titanium and tantalum in random orientations, determined by combination of field emission scanning electron microscopy, electron back scatter diffraction and X-ray diffraction. The resulting samples have ultimate tensile strength of 924.64 +/- 9.06 MPa and elastic modulus of 75.77 +/- 4.04 GPa. The TiTa alloy produced can be a potential material for biomedical applications due to its high strength to modulus ratio, as compared to Ti6Al4V and commercially pure titanium. (C) 2015 Elsevier B.V. All rights reserved.
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