Showing papers in "Ceramics International in 2016"

TL;DR: In this paper, the authors extensively review recent developments in this field, focusing the attention on the detection of some common VOCs, including acetone (C3H6O), acetylene (C2H2), benzene (C6H6), cyclohexene (Cyclohexenene) and 2-propanol (C7H8O), by means of conductometric solid state sensors based on nanostructured semiconducting metal oxides.

TL;DR: In this paper, the electromagnetic properties of Ti 3 C 2 nanosheets, prepared by immersing Ti 3 AlC 2 powders in HF and subsequent ultrasonication, were first investigated in the frequency range of 12.4-18 GHz.

TL;DR: In this article, two-dimensional Ti3C2 nanosheets were obtained by exfoliation of synthesized Ti3AlC2 powders in 40% HF solution at room temperature.

TL;DR: In this paper, the effects of Si/Al ratios on the structure, mechanical properties and chemical stability in air of the obtained geopolymer were systematically investigated, and the results showed that all the samples were XRD amorphous.

TL;DR: In this paper, fly ash based geopolymer concretes with different percentages of silica fume were made by using NaOH/sodium silicate and cured in an oven at 100°C.

TL;DR: In this paper, the effect of calcination on the structural and optical properties of nanocrystalline NiO nanoparticles were successfully synthesized by virtue of a single source precursor method at mild reaction conditions between nickel nitrate and sodium hydroxide.

TL;DR: In this paper, aluminum oxide powder was used for part fabrication and various build parameters (e.g., layer thickness, saturation, particle size) were modified and different sintering profiles were investigated to achieve nearly full-density parts.

TL;DR: In this paper, an environmentally benign, simple, cost efficient, surfactant-free and green method using Euphorbia helioscopia L. leaf extract was used for the reduction of Ag+ ions and GO to Ag NPs and RGO, respectively.

TL;DR: In this article, the effects of additives, freezing conditions, suspension solids loading and particle size on pore structure of the porous ceramics and its applications are discussed, as well as the existing issues and challenges in the fabrication porous materials by freeze a casting method.

TL;DR: In this article, the authors summarized the wear behavior of Al-composites reinforced with ceramic materials and showed that the wear resistance of these composites is similar to the matrix alloy under intermediate load conditions due to three-body abrasive wear.

TL;DR: In this paper, Al2O3 ceramics were printed by stereolithography from particles with different particle size distributions, which are the micro-sized and nano-sized alumina particles.

TL;DR: In this paper, the authors highlight recent development in the preparation of iron oxide-based magnetic nanoparticles and their applications for photocatalytic removal of organic pollutants in aqueous solution.

TL;DR: In this article, the feasibility of utilizing iron ore tailing (IOT) in porous geopolymer and intends to broaden the application of porous geo-mer in heavy metal removal aspect were investigated.

TL;DR: In this paper, an inexpensive chemical method was used to synthesize biogenic mesoporous silica (m-SiO 2 ) from rice husk ash (RHA).

TL;DR: In the 25 years since the first report of mixed ionic and electronic conducting ceramics, perovskite membranes underwent both research and development phases, with the latest works entering pilot trials for oxygen separation from air as discussed by the authors.

TL;DR: In this paper, the authors investigated the properties of thin amorphous alumina films under vacuum and partial pressure of argon, and showed that the thickness of the thin alumina films with thickness lower than 40nm exhibits a non-negligible void content that induces a decrease of the effective refractive index.

TL;DR: In this paper, the dielectric behavior, impedance spectroscopy and energy-storage properties of 0.85[(1−x)Bi0.5Na0.9NbO3 [(BNT-xBT)−NBN] ternary ceramics were investigated.

TL;DR: Li[Li 0.2 Mn 0.54 Ni 0.13 Co 0.01 ]O 2 materials doped with different Zr contents are studied using X-ray diffractometry (XRD), energy dispersive X-rays analysis (EDX), scanning electron microscopy (SEM), charge-discharge measurements, AC impedance spectroscopy as well as cyclic voltammetry as discussed by the authors.

TL;DR: In this article, a transparent porous silica coating was fabricated on glass substrate through layer-by-layer assembly of raspberry-like polystyrene@silica (PS@SiO 2 ) microparticles followed by calcination at high temperature.

TL;DR: Two-step sintering (TSS) is a promising method used to obtain high-density bodies and smaller grain sizes as mentioned in this paper, and the effect of this technique on the grain density and sizes of different ceramic materials.

TL;DR: In this article, the pore structures (i.e. mean pore size, pore distribution and various pores size proportions) were characterized by means of Micro-image Analysis and Process System (MIAPS) software and mercury intrusion porosimetry.

TL;DR: A review of microwave assisted nano-hydroxyapatite (nHA) synthesis can be found in this article, where the authors highlight the various methods and the paradigm shift of microwave-assisted techniques to synthesize nHA in the past 25 years.

TL;DR: In this paper, the potential of using granite waste (GW) as raw material for geopolymer synthesis was investigated, and the results showed that the reactivity of GW is improved by alkali fusion method.

TL;DR: In this article, the effects of adding carbon nanotubes on the densification process, microstructural development, and mechanical properties of ZrB2-SiC were investigated.

TL;DR: In this article, a defect-free cutting tool was fabricated via stereolithography process and compared to find the optimal way for the preparation of the sintered body, which showed that using PEG400 as a liquid desiccant results in a lower deformation of the body compared to the natural drying process.

TL;DR: In this article, the state of the art of industrial waste recycling in the ceramic sector is reported, with the focus on review studies related to both ceramic tiles and bricks, and two case studies conducted by the authors with the aim to formulate ceramic bodies using alternative raw materials.

TL;DR: There exists a delicate balance between mechanical and optical properties of the current commercial Y-TZP ceramics, and all three zirconias became essentially opaque when their thickness reached 1 mm or greater.

TL;DR: In this paper, the effects of rare-earth substitution on structural, magnetic and adsorption properties of cobalt ferrite nanoparticles are investigated by a facile hydrothermal method without any template and surfactant.

TL;DR: Different surface modification techniques applied to zirconia such as polishing, sandblasting, etching, biofunctionalization, coating, laser treatment, and ultraviolet light treatment are reviewed to deepen the understanding of tissue response to the implant and the tissue regeneration process.