Showing papers in "Ceramics International in 2015"

TL;DR: In this paper, a review summarizes recent and very recent work on preparing substituted hydroxyapatites for a wide range of biomedical applications, including repairing and replacing diseased and damaged parts of musculoskeletal systems and also as a drug or gene delivery agent, as a bioactive coating on metallic osseous implants, biomagnetic particles and fluorescent markers.

TL;DR: In this article, the use of solid activators in the manufacture of geopolymer enhances its commercial viability as it aids the development of a one-part “just add water” mixture, similar to the conventional Portland cement-based materials.

TL;DR: In this article, the synthesis of ZnO nanoparticles (NPs) using leaf extract of Plectranthus amboinicus was demonstrated by UV-vis spectroscopy.

TL;DR: In this paper, the influence of the addition of different elements into the composition of bioactive glasses and glass-ceramics was systematically discussed, where these dopant ions fit into the glass structure and how these affect the delivery and properties of the glass as a whole.

TL;DR: In this article, the behavior of fly ash-, bottom ash and blended fly and bottom ash-based geopolymer concrete (GPC) cured at ambient temperature was investigated. And the results indicated that the selected parameters significantly affect the microstructure and behavior of GPCs, resulting in the inferior behavior of the former compared to the latter.

TL;DR: Current biomedical applications of CaPO4-based bioceramics include bone augmentations, artificial bone grafts, maxillofacial reconstruction, spinal fusion, periodontal disease repairs and bone fillers after tumor surgery, and future applications comprise drug delivery and tissue engineering purposes.

TL;DR: In this paper, the fabrication and the gas sensing properties of ZnO nanostructures were reported and the structures were obtained through electrochemical anodization and post-growth annealing of metallic Zn thin films.

TL;DR: In this paper, the wear resistance of hard nitride-based coatings obtained using physical vapor deposition, chemical vapor deposition (CVD), and thermal spraying techniques is investigated, and the results of thin film coatings deposition on the wear performance and coefficient of friction are investigated.

TL;DR: In this paper, the physical and micro-structural properties of alkali-activated binders based on blends of fly ash (FA) and blast furnace slag (BFS) were investigated.

TL;DR: In this paper, high-porosity porous ceramic scaffolds have been fabricated from a 70% SiO2-30% CaO glass powder using stereolithography and the lost-mould process combined with gel-casting.

TL;DR: In this paper, high-ordered copper doped TiO 2 nanotube arrays (CuTiO 2 NTs) thin-film were prepared in an aqueous solution containing NH 4 F and different concentrations of copper nitrate via the electrochemical oxidation of titanium substrates.

TL;DR: In this paper, the properties of BNT and BNT-BT-KNN were studied in detail, and the single perovskite phase formation was confirmed in both the samples.

TL;DR: In this paper, a binder jetting additive manufacturing of barium titanate (BaTiO 3 ) specimens was applied to 3D printed dielectric structures, ceramic capacitors and gas and pressure sensors.

TL;DR: In this article, carbon quantum dots/titanium dioxide (CQDs/TiO2) composite nanofibers were prepared via a facile one-step hydrothermal method.

TL;DR: In this article, compressive strength of metakaolin-based geopolymers with molar Si/Al ratios of 1.12, 1.77 and 2.20 was analyzed.

TL;DR: In this paper, expanded vermiculite (Yildizeli, Sivas, Turkey) was used as an additive into a brick raw material to produce the porosity of the bricks.

TL;DR: In this article, an efficient sunlight active photocatalyst for the photocatalytic degradation of Rhodamine B and 2,4,6-trichlorophenol was synthesized by a simple surfactant free sono-chemical route at ambient conditions.

TL;DR: In this paper, the structure and morphology of the synthesized biogenic nanoparticles were analyzed using transmission electron microscopy (TEM) and Fourier transform infrared (FT-IR) spectra showed O-Si-O stretching vibrations between 1056 and 1078 cm −1.

TL;DR: In this article, the authors showed that the addition of Hardystonite to NHA not only increases the mechanical properties of HA, but also improves its bioactivity behavior by increasing the Si-OH nucleation sites.

TL;DR: In this article, a simple, rapid and high-yield synthesis of Ce-doped ZnO nanoparticles using solution combustion method and its application for photocatalytic degradation was reported.

TL;DR: In this paper, pure holmium oxide ceramic nanostructures were synthesized by heat treatment in air at 600°C for 5h, utilizing [Ho L(NO3)2]NO3 (L=bis-(2-hydroxy-1-naphthaldehyde)-butanediamine Schiff base ligand), as a precursor, which was prepared via a solvent-free solid-solid reaction from different molar ratios of Holmium nitrate and Schiff base l ligand.

TL;DR: Magnetic Fe 3 O 4 /MoS 2 nanocomposites were fabricated by a simple hydrothermal route in a water-ethanol system as mentioned in this paper, which had an excellent magnetic sensitivity and exhibited excellent performance for water treatment.

TL;DR: In this article, two-dimensional Ti2C nanosheets were prepared by exfoliation of Ti2AlC powders in HF solution at room temperature, and thermal stability and structural changes during heating of the as-prepared Ti2c nanoshes were studied.

TL;DR: In this paper, an upright vortex-induced piezoelectric energy harvester (VIPEH) inspired by the vortex induced vibration (VIV) of cylinder in flowing fluid is presented.

TL;DR: In this paper, low-density foam glasses from cathode-ray-tube panel glass using carbon and MnO 2 as the foaming agents were prepared using fine glass powder.

TL;DR: In this article, a simple homogeneous precipitation method without using any surfactant, chelating or gelating agents was used to synthesize ZnO-NPs.

TL;DR: In this paper, the synthesis of rGO sheets from graphene oxide (GO) using hydrazine solvent as reducing agent through chemical reduction was explored, and a high degree of GO reduction was also realized using a high stirring speed (1200 rpm) for 72 h in a mixture of acids and potassium permanganate, resulting in rGO with a large lateral dimension and area.

TL;DR: In this article, the dry sliding behavior of a graphene/alumina composite material was studied against alumina in air, and it was found that this behavior is related to the presence of graphene platelets adhered to the surface of friction that form a self-lubricating layer which provides enough lubrication in order to reduce both wear rate and friction coefficient.

TL;DR: In this article, Triethanol amine (TEA) was used as surfactant to reduce the size of the cobalt oxide nanoparticles to 64nm, 52nm, and 32nm.

TL;DR: A composite of polypyrrole (PPy) and graphene nanoplatelets (GNs) decorated with titanium dioxide nanoparticles (TiO2@PPy-GN) was synthesized by a sol-gel process combined with in situ chemical polymerization as discussed by the authors.