Showing papers in "Ceramics International in 2012"

TL;DR: A series of Mn doped cobalt ferrite compounds with the formula Mn x Co 1− x Fe 2 O 4 where x ǫ = 0.0, 0.2, 0.4, 0., 0.8 and 1.0 were successfully synthesized by polyethylene glycol-assisted hydrothermal method as discussed by the authors.

TL;DR: In this paper, the authors review the current state of fabrication methods to synthesize nanotubular TiO 2 surface topography, and discuss its effect on cellular response of different cells in terms of cell adhesion, proliferation and differentiation.

TL;DR: The enhanced cellular functionality and the ability to support osteoblast differentiation for porous scaffolds in comparison to dense HA has been explained in terms of higher protein absorption on porous scaffold.

TL;DR: In this paper, the reaction products and cementing mechanism of magnesium phosphate bonded cement based on the dead burned magnesia and the mono-potassium phosphate (MPP) are investigated, and the microstructure of specimens is analyzed by SEM, TEM, XDR, and optical microscopy.

TL;DR: In this paper, a quick alkali mediated sol-gel method was used to synthesize glass nanoparticles containing 1, 3, 5, and 10% of Ag2O.

TL;DR: In this paper, the authors investigated the thermal shock behavior of three as-sprayed TBCs at 1000°C and 1200°C with NiCrAlY as the bond coat, and the results indicated that the thermal cycling lifetime of the double-ceramic-layer (DCL) TBC is longer than that of SCL 8YSZ TBC due to the fact that the DCL LZ/8YSZ further enhance the thermal insulation effect, improve the sintering resistance ability and relieve the thermal mismatch between the ceramic layer and the metallic layer at

TL;DR: The phase composition and surface morphology of these multi-phase coatings were analyzed by X-ray diffraction (XRD) and scanning electron microscopy (SEM) as discussed by the authors.

TL;DR: In this paper, X-ray diffraction revealed the rhombohedrally distorted perovskite structure for undoped BiFeO3 with a phase transition from rhombohedral to pseudo cubic on Ba substitution.

TL;DR: In this article, an adherent thin coating was obtained using the electrophoretic deposition (EPD) technique at 30-V and sintering at 850-C. The microstructure of the coated surfaces was characterized by optical microscopy, AFM, and SEM, and the composition of the coating was examined using EDAX.

TL;DR: In this paper, the authors evaluated and compared thermal shock behavior of plasma-sprayed nanostructured and conventional yttria stabilized zirconia (YSZ) thermal barrier coatings (TBCs).

TL;DR: The pure and transition metal (Co and Fe)-doped SnO 2 nanoparticles have been synthesized by a chemical route using polyvinyl alcohol as surfactant as discussed by the authors.

TL;DR: In this article, a comparative study of the photoactivated gas sensing materials with high sensitivity was carried out and it was found that metal oxide semiconductor with lower photo-to-dark current ratio can achieve higher photo activated gas sensitivity.

TL;DR: In this paper, the microstructure and mechanical properties of the graphene reinforced silicon nitride based composite materials have been investigated, and it has been shown that graphene platelets are inducing porosity in matrix.

TL;DR: In this article, the structural and catalytic properties of Co, Cu and Ni spinel ferrites were investigated by the co-precipitation process and the results showed that the presence of cobalt ions is a crucial factor required to achieve a systematic efficiency of the catalyst in the H 2 O 2 decomposition.

TL;DR: In this article, the mechanical properties of anode-supported solid oxide fuel cell (SOFC) stacks are analyzed for the simulation of stresses, with an emphasis on temperature and porosity dependence and the evolution upon aging or cycling when available.

TL;DR: In this paper, the saturation magnetization, coercivity and magnetocrystalline anisotropy constants increase with the increase of crystallite size and saturation magnetisation has been analyzed by the Law of Approach (LA) technique.

TL;DR: The effect of Nd doping on Bi 1− x Nd x FeO 3 (x = ǫ 0.175, 0.20) multiferroics synthesized by chemical co-precipitation method has been investigated by Rietveld analysis of X-ray powder diffraction (XRD) data as discussed by the authors.

TL;DR: In this paper, a nano carbon containing magnesia carbon refractories has been studied to reduce the total carbon content, thereby reducing the heat loss from the metallurgical process and producing more eco-friendly refractory.

TL;DR: The combination of nanoscaled powders based on carbon nanotubes and alumina nanosheets lead to superior thermal shock performance with approximately 30% less residual carbon in comparison to commercial available material compositions as mentioned in this paper.

TL;DR: In this paper, a new filter composition based on the synthetic coal tar pitch Carbores ® P, has been explored, which allows additions of carbon black, graphite, and additives to reach a residual carbon content of up to 30wt.

TL;DR: SiC was infiltrated into porous yttria-stabilized zirconia (YSZ) felt by chemical vapor infiltration (CVI), and continuous SiC matrix layer was formed around YSZ fibre.

TL;DR: Carbon fiber reinforced carbon-silicon carbide-zirconium carbide (C/C-SiC-ZrC) composites were prepared by reactive melt infiltration (RMI) with Si0.87Zr0.13 alloy as discussed by the authors.

TL;DR: In this article, Nanocrystalline zinc oxide (ZnO) thin films were deposited onto glass substrates by a spin coating method and characterized for their structural and morphological properties by means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and atomic force microscopy.

TL;DR: Abrasive wear behavior of ZrSiO4 reinforced aluminum metal matrix composite has been investigated in the present research as discussed by the authors, which reveals that composites offer superior wear resistance as compared to the alloy irrespective of applied load and zircon particles volume fraction.

TL;DR: In this article, a phase inversion technique was used to obtain homogeneous spherical composite powders in the form of microspheres, which were then debinded and furnace sintered to produce crack-free alumina components.

TL;DR: In this paper, a transparent polycrystalline MgAl 2 O 4 spinel was fabricated by SPS with an in-line transmission of 74% and 84% for visible and NIR wavelengths respectively.

TL;DR: In this article, 3-aminopropyltrimethoxy silane (APTMS) coupling agent was used for surface grafting of Montmorillonite K-10 clay.

TL;DR: In this article, the results showed that the coating defects, such as pores and micro-cracks play important roles as effective paths for the salt penetration in hot corrosion, and the degradation mechanism of CYSZ ceramic coatings in the presence of molten sulfate-vanadate salt.

TL;DR: In this article, X-ray diffraction, Rietveld refinement, and Fourier transform infrared (FT-IR) spectroscopy were used to characterize barium zirconate (BaZrO 3 ) ceramics synthesized by solid state reaction method and sintered at 1670°C for 4h.

TL;DR: In this paper, a highly visible-light photocatalytic active Agmodified TiO2 (Ag-TiO2) was prepared by a simple sol-gel process using TiOSO4 as the starting material, AgNO3 as a silver doping source, and hydrazine as a reducing agent.