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Title: Surface modification of Ti6Al4V alloy scaffolds manufactured by electron beam melting
Authors: Chudinova, Ekaterina Aleksandrovna
Surmeneva, Maria Alexandrovna
Koptyug, A.
Loza, K.
Prymak, O.
Epple, M.
Surmenev, Roman Anatolievich
Keywords: модификации; поверхности; каркасы; сплавы; электронно-лучевая наплавка; медицинские имплантанты; покрытия; элементный состав; фазовый состав
Issue Date: 2019
Publisher: IOP Publishing
Citation: Surface modification of Ti6Al4V alloy scaffolds manufactured by electron beam melting / E. A. Chudinova [et al.] // Journal of Physics: Conference Series. — Bristol : IOP Publishing, 2019. — Vol. 1145 : Prospects of Fundamental Sciences Development (PFSD-2018) : XV International Conference of Students and Young Scientists, 24-27 April 2018, Tomsk, Russian Federation : [proceedings]. — [012030, 6 p.].
Abstract: In this paper, the results of the surface functionalization of the Ti6Al4V alloy scaffolds with different structures for use as a material for medical implants are presented. Radio frequency magnetron sputtering was used to modify the surface of the porous structures by deposition of the biocompatible hydroxyapatite (HA) coating with the thickness of 860±50 nm. The surface morphology, elemental and phase composition of the HA-coated scaffolds were studied. According to energy-dispersive X-ray spectroscopy, the stoichiometric ratio of Ca/P for flat, orthorhombic and cubic scaffolds is 1.65, 1.60, 1.53, respectively, which is close to that of stoichiometric ratio for HA (Ca/P=1.67). It was revealed that this method of deposition makes it possible to obtain the homogeneous crystalline coating both on the dense sample and in the case of scaffolds of complex geometry with different lattice cell structure.
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