65 Result(s)
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Article
Band gap modulation of nanostructured WO3 nanoplate film by Ti do** for enhanced photoelectrochemical performance
Despite being a promising photoanode material for water splitting, WO3 has low conductivity, high onset potential, and sluggish water oxidation kinetics. In this study, we designed Ti-doped WO3 nanoplate arrays o...
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Fabrication of silica-based ceramic cores with internal lattice structures by stereolithography
Ceramic cores are widely used in investment casting, and ideal properties of cores are essential for high-quality castings. Under the circumstances requiring thick cores, solid cores are likely to encounter de...
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Article
Effects of wind barriers on the aerodynamic characteristics of bridge-train system for a road-rail same-story truss bridge
Wind barriers are commonly adopted to prevent the effects of wind on high-speed railway trains, but their wind-proofing effects are greatly affected by substructures. To investigate the effects of wind barrier...
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Article
Application of transparent casting moulds prepared by additive manufacturing technology in hydraulic simulation
Hydraulic simulation is one of the critical methods to research the filling mechanism of molten metal in the casting process. However, it only performs on test pieces with relatively simple structures due to t...
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Article
Effect of electromagnetic parameters on melt flow and heat transfer of AZ80 Mg alloy during differential phase electromagnetic DC casting based on numerical simulation
Based on multi-physical field coupling numerical simulation method, magnetic field distribution, melt flow, and heat transfer behavior of a Φ300 mm AZ80 alloy billet during differential phase electromagnetic DC c...
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Article
Experimental investigation on synergetic prediction of granite rockburst using rock failure time and acoustic emission energy
The frequent occurrence of rockburst and the difficulty in predicting were considered in deep engineering and underground engineering. In this work, laboratory experiments on rockburst under true triaxial cond...
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Article
Bifunctional polymer electrolyte with higher lithium-ion transference number for lithium-sulfur batteries
Lithium-sulfur (Li-S) batteries have attracted enormous interest due to their super-high theoretical energy density (2600 W · h/kg) in recent years. However, issues such as lithium dendrites and the shuttle ef...
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Article
Structure and electrochemical characteristics of Mg–Ti–Ni-based electrode alloys synthesized by mechanical milling
The vacuum induction melting was adopted to fabricating Mg50−xTixNi45Al3Co2 (x = 0, 1, 2, 3, 4 at.%) composites protected by the high-purity helium atmosphere. Subsequently, the surface modification treatment of ...
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Article
Tailoring microstructure evolution and mechanical properties of a high-performance alloy steel through controlled thermal cycles of a direct laser depositing process
Direct laser deposition (DLD), as a popular metal additive manufacturing process, shows advantages of technical flexibility and high efficiency to gain a high-performance alloy steel component. However, during...
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Article
Longitudinal profiled plate straightening process based on curvature integral method
Considering the variable cross section thickness of longitudinal profiled plate and the dynamic reductions of straightening rolls, an analytical model combining curvature integral method with linear decreasing...
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Article
Field measurement of strain response for typical asphalt pavement
In order to reveal the changing law of the mechanical response of asphalt pavements under the action of vehicle load and provide references for the design of durable pavements, three typical asphalt pavement s...
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Article
Effects of PbO poisoning on Ce–Mn/AC catalyst for low-temperature selective catalytic reduction of NO with NH3
As a common heavy metal in the sintering flue gas, Pb can exist in the form of oxide (PbO) and lead to the decrease in the denitration catalysts activity. Ce–Mn/AC (activated carbon) and PbO–Ce–Mn/AC catalysts...
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Article
Intelligent back-looking distance driver model and stability analysis for connected and automated vehicles
The connected and automated vehicles (CAVs) technologies provide more information to drivers in the car-following (CF) process. Unlike the human-driven vehicles (HVs), which only considers information in front...
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Article
Experimental investigation on predicting precursory changes in entropy for dominant frequency of rockburst
Rockburst is a dynamic phenomenon accompanied by acoustic emission (AE) activities. It is difficult to predict rockburst accurately. Based on the fast Fourier transform (FFT) method and the information entropy...
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Article
Comparison of microwave and conventional heating routes for kaolin thermal activation
The effect of activation properties of the precursors of zeolite directly prepared from kaolin influenced by microwave field and conventional heating was investigated. XRD, TG-DSC, FT-IR, SEM, particle size an...
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Article
Preparation and characterization of different surface modified SiCp reinforced Al-matrix composites
The effects of SiCp surface modifications (Cu coating, Ni coating and Ni/Cu coating) on the microstructures and mechanical properties of Al matrix composites were investigated. Surface modification of SiC part...
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Article
Experimental study of dynamic resilient modulus of subgrade soils under coupling of freeze-thaw cycles and dynamic load
Although the dynamic properties of subgrade soils in seasonally frozen areas have already been studied, few researchers have considered the influence of shallow groundwater during the freeze-thaw (F-T) cycles....
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Article
Effect of bolt inclination angle on shear behavior of bolted joints under CNL and CNS conditions
Rock bolts are widely used in rock engineering projects to improve the shear capacity of the jointed rock mass. The bolt inclination angle with respect to the shear plane has a remarkable influence on the bolt...
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Article
Kinetics of leaching lithium from lepidolite using mixture of hydrofluoric and sulfuric acid
The fluorine-based chemical method shows great potential in leaching lithium (Li) from lepidolite. Leaching kinetics of Li in a mixture of sulfuric acid and hydrofluoric acid, which is a typical lixivant for t...
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Article
Carbides precipitation and their evolution of Cr15Co10Mo5-alloyed heat-resistant bearing steel after tempering at different temperatures
The carbides precipitation and their evolution at elevated tempering temperature in Cr15Co10Mo5-alloyed heat-resistant bearing steel were investigated by means of the transmission electron microscope. The resu...
