Anticorrosive $ZrO_{2}$ and $ZrO_{2}-SiO_{2}$ layers on titanium substrates for biomedical applications
PBN-AR
Instytucja
Wydział Inżynierii Materiałowej i Ceramiki (Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie)
Informacje podstawowe
Główny język publikacji
EN
Czasopismo
Surface & Coatings Technology (35pkt w roku publikacji)
ISSN
0257-8972
EISSN
1879-3347
Wydawca
Elsevier Science SA
DOI
Rok publikacji
2017
Numer zeszytu
Strony od-do
221--229
Numer tomu
331
Link do pełnego tekstu
Identyfikator DOI
Liczba arkuszy
0.64
Słowa kluczowe
EN
titanium
zirconium
zirconium-silica
anticorrosive coatings
Streszczenia
Język
EN
Treść
The aim of the presented study was to evaluate the potential of ceramic coating to reduce titanium susceptibility to corrosion. Ceramic coatings composed of zirconia and zirconia-silica were investigated. To examine the surface morphology of the samples, the investigation under Scanning Electron Microscope and Confocal Microscope was performed and the coatings with the lowest amount of cracks were chosen for further evaluation, involving wettability and Surface Free Energy studies. Furthermore, measurement of the corrosion resistance of the obtained samples was done via polarization technique, ran in a 3-electrode set-up. The impact on cells' morphology, cells' viability and cytotoxicity were investigated in vitro using Normal Human Osteoblasts. Finally, the stability of the obtained coatings was studied by immersing and incubating the samples in different solutions of artificial saliva (with a varying value of pH) and investigating the coatings' susceptibility to cracking by SEM and confocal microscopy. Both types of coating have been proven to decrease the susceptibility to corrosion of titanium materials. Single zirconia-silica layer present better corrosion protection than single zirconia layer. Biological research carried out as part of our experiment revealed that the zirconia-silica layer does not compromise titanium biocompatibility. In summarize single zirconia-silica layer protect titanium implant from corrosion processes while the lack of the negative influence on osteoblast multiplication.
Cechy publikacji
original article
peer-reviewed
Inne
System-identifier
idp:111011
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