HA Coating on Ti6Al7Nb Alloy Using an Electrophoretic Deposition Method and Surface Properties Examination of the Resulting Coatings

被引:15
作者
Aydin, Ibrahim [1 ]
Bahcepinar, Ali Ihsan [1 ]
Kirman, Mustafa [1 ]
Cipiloglu, Mustafa Ali [1 ]
机构
[1] Manisa Celal Bayar Univ, Manisa Vocat Sch, TR-45140 Manisa, Turkey
关键词
hydroxyapatite (HA); electrophoretic deposition (EPD); Ti6Al7Nb; coating; surface properties; HYDROXYAPATITE COATINGS; MECHANICAL-PROPERTIES; TITANIUM; BEHAVIOR;
D O I
10.3390/coatings9060402
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Ti and its alloys, which are commonly used in biomedical applications, are often preferred due to their proximity to the mechanical properties of bone. In order to increase the biocompatibility and bioactivities of these materials, biomaterials based on ceramic are used in coating operations. In this study, by using an electrophoretic deposition method, instead of on the Ti6Al4V alloy which is commonly used in the literature, a hydroxyapatite (HA) coating operation was applied on the surface of the Ti6Al7Nb alloy, and the surface properties of the coatings were examined. Ti6Al7Nb is a new-generation implant on which there have not been many studies. The voltage values which were used in the coating operation were 50, 100, 150 and 200 V, and the time parameter was stabilized at 1 min. In our method, when preparing the solution, HA, ethanol, and polyvinyl alcohol (PVA) were used. At the end of the study, by using an electron microscope (SEM) the microstructures of the coatings were examined; elemental analyses (EDS) of the coating surfaces were performed; and by using an X-radiation diffraction (XRD) method, the phases which the coatings contained and the concentration of these phases were determined, and the coating thickness, roughness, and hardness values were also determined. Also, by conducting a Scratch test, the strength of the surface combination was examined. At the end of the study, in each parameter, a successful HA coating was seen. By comparing parameters with each other, the ideal voltage value in this coating was determined. It was determined that the most suitable coating was obtained at 100 V voltage and 1 min deposition time.
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页数:11
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