Mechanical and biological properties of Al2O3 and TiO2 co-doped zirconia ceramics

Date

2017-09-01

Author

Agac, Ozlem
Gozutok, Melike
TÜRKOĞLU ŞAŞMAZEL, HİLAL
Öztürk, Abdullah
PARK, JONGEE

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

160
views

0
downloads

Various amounts (ranging from 0 to 2 wt%) of TiO2 and Al2O3 were mono and co-doped to tetragonal zirconia ceramic containing 3 mol% yttria (3Y-TZP) by mechanical ball milling. Powders were compacted by uniaxial pressing at a pressure of 23 MPa. The compacts were pressureless sintered at 1450 degrees C for 2 h. Density, hardness, fracture toughness, and cell attachment of the co-doped 3Y-TZP ceramics were measured with respect to dopant addition to determine the effects of the kind and amount of dopants on the properties. The results show that density decreased gradually as the amount of dopant was increased. The mechanical properties showed the maximum value when 0.5 wt% TiO2 and 1.0 wt% Al2O3 were co-doped to 3Y-TZP. Crystalline phase formation and microstructural morphology were investigated by XRD and SEM analyses to explain the variations in the properties. Co-doping of TiO2 and Al2O3 to 3Y-TZP did not have an influence on the phases present, but decreased the grain size. The co-doping also affected the cell attachment and the growth on the surface of the zirconia ceramics.

Subject Keywords

ZrO2, Doping, Mechanical properties, MTT assay, Fibroblast cell culture

URI

https://hdl.handle.net/11511/35021

Journal

CERAMICS INTERNATIONAL

DOI

https://doi.org/10.1016/j.ceramint.2017.05.080

Collections

Department of Metallurgical and Materials Engineering, Article

Suggestions

OpenMETU
Core

Mechanical properties, flammability and char morphology of epoxy resin/montmorillonite nanocomposites Kaynak, Cevdet; Isitman, Nihat Ali (2009-11-01) Epoxy resin/montmorillonite nanocomposites were obtained via in-situ intercalative polymerization. Na-montmorillonites modified with octaclecyl, hexadecyl and dodecyl trimethylammonium, benzyl triethylammonium and tetramethylammonium ions were used in diglycidyl ether of bisphenol-A epoxy resin. Montmorillonites modified with long alkyl ammonium ions yielded intercalated nanocomposites whereas those with benzyl or very short alkyl ammonium ions gave phase separated microcomposites. Significant improvements ...
Mechanical, flow and electrical properties of thermoplastic polyurethane/fullerene composites: Effect of surface modification of fullerene Tayfun, Umit; KANBUR, YASİN; ABACI, UFUK; GÜNEY, HASAN YÜKSEL; Bayramlı, Erdal (2015-10-01) Thermoplastic polyurethane (TPU) composites with fullerene loadings varying from 0.5 to 2 weight% were prepared by melt-mixing method. Nitric acid oxidation and silanization were applied to fullerene surface to improve interfacial interactions with TPU matrix. The influence of surface modifications of fullerene on mechanical, melt flow and electrical properties of TPU based composites were investigated. Incorporation of fullerene leads to nearly twofold increase in tensile strength and Young's modulus of th...
Thermal and mechanical properties of poly(methyl methacrylate) used as dental base material Usanmaz, Ali; Turker, F; Dogan, A; Akkas, N (1998-08-15) The thermal and mechanical properties of poly( methyl methacrylate) prepared at different curing times were studied using DSC, TGA, tensile, and three-point bending test methods. The molecular weights of the polymer samples were determined from the viscosity measurements. The curing time applied for two different commercial materials, manufactured for dental use, ranged from 15 to 180 min. The samples cured for 15 and 20 min were soluble in chloroform completely, but the others were partially soluble. The i...
Structural, electrochemical and optical comparisons of tungsten oxide coatings derived from tungsten powder-based sols Isik, Dilek; AK, METİN; Durucan, Caner (Elsevier BV, 2009-11-02) Tungsten trioxide (WO3) electrochromic coatings have been formed on indium tin oxide-coated glass substrates by aqueous routes. Coating sols are obtained by dissolving tungsten powder in acetylated (APTA) or plain peroxotungstic acid (PTA) solutions. The structural evolution and electrochromic performance of the coatings as a function of calcination temperature (250 degrees C and 400 degrees C) have been reported. Differential scanning calorimetry and X-ray diffraction have shown that amorphous WO3 films ar...
Mechanical properties and surface energies of low density polyethylene poly(vinyl chloride) blends Akovali, G; Torun, TT; Bayramlı, Erdal; Erinc, HK (1998-03-01) A series of blends of poly(vinyl chloride) (PVC) and low density polyethylene (LDPE) are prepared and examined. Plasma treatment is applied to one of the components (LDPE) in order to affect the degree of compatibility. For this purpose, different monomers, such as carbon tetrachloride and vinyl chloride, are used. Tensile test results for all the blend samples, with and without plasma-treated LDPE, are compared. The surface energy results of blends prepared from untreated and treated LDPE-PVC showed consid...

Citation Formats

O. Agac, M. Gozutok, H. TÜRKOĞLU ŞAŞMAZEL, A. Öztürk, and J. PARK, “Mechanical and biological properties of Al2O3 and TiO2 co-doped zirconia ceramics,” CERAMICS INTERNATIONAL, pp. 10434–10441, 2017, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/35021.