A review on lead-free piezoelectric ceramics studies in China
There are a large number of research publications on the hot topic of environmental friendly lead-free piezoelectric materials worldwide in the last decade. The number of researchers and institutions...
View ArticleTextured (K0.5Na0.5)NbO3 ceramics prepared by screen-printing multilayer...
The screen-printing multilayer grain growth (MLGG) technique is successfully applied to alkaline niobate lead-free piezoelectric ceramics. Highly textured (K0.5Na0.5)NbO3 (KNN) ceramics with 〈0 0 1〉...
View ArticleAn introduction to box particle filtering [lecture notes]
Resulting from the synergy between the sequential Monte Carlo (SMC) method [1] and interval analysis [2], box particle filtering is an approach that has recently emerged [3] and is aimed at solving a...
View ArticleThermodynamics of gold dissolution behavior in CaO-SiO2-Al2O3-MgOsat slag system
Gold solubility in the CaO-SiO2-Al2O3-MgOsat slag system was measured at 1773 K (1500 C) under a CO2-CO atmosphere over a wide range of compositions, i.e., 8 to 40 mass pct CaO, 26 to 50 mass pct SiO2,...
View ArticleResponse of intergrown microstructure to an electric field and its...
We investigate the R3c average structure and micro-structure of the ceramic Bi 0.5Na 0.5TiO 3 (BNT) in situ under applied electric fields using diffraction techniques. Electron diffraction implies the...
View ArticleGeochemical legacies and the future health of cities: A tale of two...
The past and future of cities are inextricably linked, a linkage that can be seen clearly in the long-term impacts of urban geochemical legacies. As loci of population as well as the means of...
View ArticleDetermination of dose enhancement caused by gold-nanoparticles irradiated...
The main aims of this research was to employ alanine doped with gold-nanoparticles "AuNPs" to determine the levels of dose enhancement caused by these particles when irradiated with proton beams, low...
View ArticleStress-strain model of FRP confined concrete under cyclic loading
A stress-strain model is proposed for fiber reinforced polymer (FRP) confined concrete subjected to cyclic compression. This model employs an existing monotonic stress-strain relationship as the...
View ArticleAn analytical model for predicting the response of RC beams strengthened with...
A new plating system based on strain localization mechanism has been recently proposed for strengthening RC structures to overcome the debonding problem. With this new technique, weaker zones are...
View ArticleBernoulli filter for joint detection and tracking of an extended object in...
The problem is joint detection and tracking of a non-point or extended moving object, characterised by multiple feature points, which can result in detections. Owing to imperfect detection, only some...
View ArticleAchievable accuracy in Gaussian plume parameter estimation using a network of...
The Gaussian plume model is the core of most regulatory atmospheric dispersion models. The parameters of the model include the source characteristics (e.g. location, strength) and environmental...
View ArticleCalibration of multi-target tracking algorithms using non-cooperative targets
Tracking systems are based on models, in particular, the target dynamics model and the sensor measurement model. In most practical situations the two models are not known exactly and are typically...
View ArticleA thermodynamically consistent nonlocal damage model for concrete materials...
This paper proposes a thermodynamically consistent constitutive model for concrete materials to solve several problems encountered in the existing damage modeling. Two separated equivalent strains and...
View ArticleStructural stability in Aurivillius phases based on ab initio thermodynamics
The Aurivillius oxide family possessess various attractive physical properties and have been commercially applicable in many areas. The regular large-period phases of this family are believed to offer...
View ArticleAnisotropic dielectric properties of LiNb0.6Ti0.5O3 microwave ceramics by...
In this work, anisotropic LiNb0.6Ti0.5O3 (LNT) template particles are prepared by molten salt synthesis in LiCl flux. Plate-like particles with diameters of 5-20 μm and thicknesses of 0.5-2.0 μm...
View ArticlePlasticity-based criterion for confinement design of FRP jacketed concrete...
Fiber reinforced polymer confined concrete exhibits different stress-strain behavior under different confinement levels. Therefore, classification of confinement levels is often the first step of...
View ArticleBroadband optical absorptions in inversed woodpile metallic photonic crystals
Here we demonstrate enhanced optical absorptions within threedimensional inversed woodpile metallic photonic crystals fabricated via the combination of the direct laser writing method and the...
View ArticleAutonomous search for a diffusive source in an unknown structured environment
The paper presents a framework for autonomous search for a diffusive emitting source of a tracer (e.g., aerosol, gas) in an environment with an unknown map of randomly placed and shaped obstacles. The...
View ArticleModelling and performance analysis of a network of chemical sensors with...
The problem of environmental monitoring using a wireless network of chemical sensors with a limited energy supply is considered. Since the conventional chemical sensors in active mode consume vast...
View ArticleFerroelectric and piezoelectric properties of Aurivillius phase intergrowth...
Ferroelectric and piezoelectric properties of the La-doped intergrowth Aurivillius phase ceramics Bi 5-xLa xTiNbWO 15 and Bi 7-xLa xTi 4NbO 21 (x = 0.00-1.75) were studied. It was found that the La...
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