Electrophoretic deposition of hydroxyapatite-hexagonal boron nitride composite coatings on Ti substrate

Göncü, Yapıncak and Geçgin, Merve and Bakan, Feray and Ay, Nuran (2017) Electrophoretic deposition of hydroxyapatite-hexagonal boron nitride composite coatings on Ti substrate. Materials Science and Engineering: C, 79 . pp. 343-353. ISSN 0928-4931 (Print) 1873-0191 (Online)

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In this study, commercial pure titanium samples were coated with nano hydroxyapatite-nano hexagonal boron nitride (nano HA-nano hBN) composite by electrophoretic deposition (EPD). The effect of process parameters (applied voltage, deposition time and solid concentration) on the coating morphology, thickness and the adhesion behavior were studied systematically and crack free nano hBN-nano HA composite coating production was achieved for developing bioactive coatings on titanium substrates for orthopedic applications. For the examination of structural and morphological characteristics of the coating surfaces, various complementary analysis methods were performed. For the structural characterization, XRD and Raman Spectroscopy were used while, Scanning Electron Microscopy (SEM) equipped with an energy dispersive spectrometer (EDS) and Transmission Electron Microscopy (TEM) techniques were carried out for revealing the morphological characterization. The results showed that nano HA-nano hBN were successfully deposited on Ti surface with uniform, crack-free coating by EPD. The amounts of hBN in suspension are considered to have no effect on coating thickness. By adding hBN into HA, the morphology of HA did not change and hBN has no significant effect on porous structure. These nanostructured surfaces are expected to be suitable for proliferation of cells and have high potential for bioactive materials.
Item Type: Article
Uncontrolled Keywords: Composite; Electrophoretic deposition; Hexagonal boron nitride; Hydroxyapatite; Titanium
Subjects: Q Science > Q Science (General)
Divisions: Sabancı University Nanotechnology Research and Application Center
Depositing User: Feray Bakan
Date Deposited: 01 Jun 2017 11:26
Last Modified: 22 May 2019 13:50
URI: https://research.sabanciuniv.edu/id/eprint/32284

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