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Hydroxyapatite coatings on TiO2 nanotubes

Prevlake hidroksiapatita na nanotubama oksida titana

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2010
747.pdf (1.903Mb)
Authors
Eraković, Sanja
Panić, Vladimir
Jokić, Bojan
Stevanović, Sanja
Mišković-Stanković, Vesna
Article (Published version)
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Abstract
The aim of this work was to obtain nanotubular TiO2 layer by anodization of titanium substrate, and to prepare hydroxyapatite (HAP) coatings by electrophoretic deposition over nanotubular TiO2 layer. The presence of fluoride ion in the electrolyte for anodization causes the formation of TiO2 nanotubes. The Ti surface modified with TiO2 nanotubes was used for fabrication of HAP coatings by electrophoretic deposition. Acidic medium provides formation of short nanotubes which are more suitable for deposition of HAP coatings. Ti plates were thermally treated after anodization in order to gain more defined structure of nanotubular TiO2 layer. Compact HAP coatings with good adhesion were produced by electrophoretic deposition on thermally treated and untreated anodized specimens. The results showed that coating mass increases with deposition time, but prolongation of the deposition time causes the decrease of HAP coating adhesion. .
Cilj ovog rada je dobijanje nanotubularnog TiO2 sloja na titanu postupkom anodizacije i ispitivanje parametara elektroforetskog taloženja prevlaka hidroksiapatita (HAP) na formiranom međusloju nanotubularnog TiO2. Pokazano je da anodizacija titana u elektrolitu koji sadrži fluoridne jone omogućava formiranje nanotuba TiO2 na površini titana. Površina titana modifikovana nanotubama TiO2 je korišćena kao podloga za kataforetsko taloženje prevlaka hidroksiapatita iz etanolske suspenzije. Kisela sredina za anodizaciju titana omogućava dobijanje kraćih nanotuba koje su se pokazale kao bolja podloga za nanošenje HAP prevlaka. Nakon anodizacije, titanske pločice su termički tretirane da bi se dobila definisanija struktura nanotubularnog TiO2 sloja. Kataforetskim taloženjem dobijene su dobro prianjajuće i kompaktne HAP prevlake na termički tretiranim i netretiranim anodiziranim uzorcima. Rezultati pokazuju da pri vremenima taloženja dužim od 45 min dolazi do smanjenja adhezije prevlake hidroks...iapatita.

Keywords:
anodization / TiO2 nanotubes / electrophoretic deposition / coatings / hydroxyapatite / anodizacija / nanotube TiO2 / elektroforetsko taloženje / prevlake / hidroksiapatit
Source:
Zaštita materijala, 2010, 51, 1, 24-28
Publisher:
  • Belgrade, Serbia : Engineering Society for Corrosion

ISSN: 0351-9465

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_cer_749
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/749
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Eraković, Sanja
AU  - Panić, Vladimir
AU  - Jokić, Bojan
AU  - Stevanović, Sanja
AU  - Mišković-Stanković, Vesna
PY  - 2010
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/749
AB  - The aim of this work was to obtain nanotubular TiO2 layer by anodization of titanium substrate, and to prepare hydroxyapatite (HAP) coatings by electrophoretic deposition over nanotubular TiO2 layer. The presence of fluoride ion in the electrolyte for anodization causes the formation of TiO2 nanotubes. The Ti surface modified with TiO2 nanotubes was used for fabrication of HAP coatings by electrophoretic deposition. Acidic medium provides formation of short nanotubes which are more suitable for deposition of HAP coatings. Ti plates were thermally treated after anodization in order to gain more defined structure of nanotubular TiO2 layer. Compact HAP coatings with good adhesion were produced by electrophoretic deposition on thermally treated and untreated anodized specimens. The results showed that coating mass increases with deposition time, but prolongation of the deposition time causes the decrease of HAP coating adhesion. .
AB  - Cilj ovog rada je dobijanje nanotubularnog TiO2 sloja na titanu postupkom anodizacije i ispitivanje parametara elektroforetskog taloženja prevlaka hidroksiapatita (HAP) na formiranom međusloju nanotubularnog TiO2. Pokazano je da anodizacija titana u elektrolitu koji sadrži fluoridne jone omogućava formiranje nanotuba TiO2 na površini titana. Površina titana modifikovana nanotubama TiO2 je korišćena kao podloga za kataforetsko taloženje prevlaka hidroksiapatita iz etanolske suspenzije. Kisela sredina za anodizaciju titana omogućava dobijanje kraćih nanotuba koje su se pokazale kao bolja podloga za nanošenje HAP prevlaka. Nakon anodizacije, titanske pločice su termički tretirane da bi se dobila definisanija struktura nanotubularnog TiO2 sloja. Kataforetskim taloženjem dobijene su dobro prianjajuće i kompaktne HAP prevlake na termički tretiranim i netretiranim anodiziranim uzorcima. Rezultati pokazuju da pri vremenima taloženja dužim od 45 min dolazi do smanjenja adhezije prevlake hidroksiapatita.
PB  - Belgrade, Serbia : Engineering Society for Corrosion
T2  - Zaštita materijala
T1  - Hydroxyapatite coatings on TiO2 nanotubes
T1  - Prevlake hidroksiapatita na nanotubama oksida titana
VL  - 51
IS  - 1
SP  - 24
EP  - 28
UR  - https://hdl.handle.net/21.15107/rcub_cer_749
ER  - 
@article{
author = "Eraković, Sanja and Panić, Vladimir and Jokić, Bojan and Stevanović, Sanja and Mišković-Stanković, Vesna",
year = "2010",
abstract = "The aim of this work was to obtain nanotubular TiO2 layer by anodization of titanium substrate, and to prepare hydroxyapatite (HAP) coatings by electrophoretic deposition over nanotubular TiO2 layer. The presence of fluoride ion in the electrolyte for anodization causes the formation of TiO2 nanotubes. The Ti surface modified with TiO2 nanotubes was used for fabrication of HAP coatings by electrophoretic deposition. Acidic medium provides formation of short nanotubes which are more suitable for deposition of HAP coatings. Ti plates were thermally treated after anodization in order to gain more defined structure of nanotubular TiO2 layer. Compact HAP coatings with good adhesion were produced by electrophoretic deposition on thermally treated and untreated anodized specimens. The results showed that coating mass increases with deposition time, but prolongation of the deposition time causes the decrease of HAP coating adhesion. ., Cilj ovog rada je dobijanje nanotubularnog TiO2 sloja na titanu postupkom anodizacije i ispitivanje parametara elektroforetskog taloženja prevlaka hidroksiapatita (HAP) na formiranom međusloju nanotubularnog TiO2. Pokazano je da anodizacija titana u elektrolitu koji sadrži fluoridne jone omogućava formiranje nanotuba TiO2 na površini titana. Površina titana modifikovana nanotubama TiO2 je korišćena kao podloga za kataforetsko taloženje prevlaka hidroksiapatita iz etanolske suspenzije. Kisela sredina za anodizaciju titana omogućava dobijanje kraćih nanotuba koje su se pokazale kao bolja podloga za nanošenje HAP prevlaka. Nakon anodizacije, titanske pločice su termički tretirane da bi se dobila definisanija struktura nanotubularnog TiO2 sloja. Kataforetskim taloženjem dobijene su dobro prianjajuće i kompaktne HAP prevlake na termički tretiranim i netretiranim anodiziranim uzorcima. Rezultati pokazuju da pri vremenima taloženja dužim od 45 min dolazi do smanjenja adhezije prevlake hidroksiapatita.",
publisher = "Belgrade, Serbia : Engineering Society for Corrosion",
journal = "Zaštita materijala",
title = "Hydroxyapatite coatings on TiO2 nanotubes, Prevlake hidroksiapatita na nanotubama oksida titana",
volume = "51",
number = "1",
pages = "24-28",
url = "https://hdl.handle.net/21.15107/rcub_cer_749"
}
Eraković, S., Panić, V., Jokić, B., Stevanović, S.,& Mišković-Stanković, V.. (2010). Hydroxyapatite coatings on TiO2 nanotubes. in Zaštita materijala
Belgrade, Serbia : Engineering Society for Corrosion., 51(1), 24-28.
https://hdl.handle.net/21.15107/rcub_cer_749
Eraković S, Panić V, Jokić B, Stevanović S, Mišković-Stanković V. Hydroxyapatite coatings on TiO2 nanotubes. in Zaštita materijala. 2010;51(1):24-28.
https://hdl.handle.net/21.15107/rcub_cer_749 .
Eraković, Sanja, Panić, Vladimir, Jokić, Bojan, Stevanović, Sanja, Mišković-Stanković, Vesna, "Hydroxyapatite coatings on TiO2 nanotubes" in Zaštita materijala, 51, no. 1 (2010):24-28,
https://hdl.handle.net/21.15107/rcub_cer_749 .

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