18 Result(s)
within
**ao-xu Liu
Metallic Materials
-
Article
High-performance sodium storage for cobalt phosphide composite array electrodes
Transition metal phosphides hold great potential as sodium-ion batteries anode materials owing to their high theoretical capacity and modest plateau. However, volume changes and low intrinsic conductivity seri...
-
Article
Theoretical Exploration of Alloying Effects on Stabilities and Mechanical Properties of γʹ Phase in Novel Co–Al–Nb-Base Superalloys
The new developed γ/γʹ Co–Al–Nb-base alloys show great potentials as high-temperature materials. However, finding appropriate compositions to improve performance of alloys still poses a great challenge to the dev...
-
Article
Meshing characteristic analysis of spur gear pair with tooth surface wear fault based on improved fractal method
The three-dimensional (3D) fractal contact model of the interaction between gear teeth is established considering the actual surface morphology of gear teeth. The time-varying meshing stiffness (TVMS) model of...
-
Article
Review for the microseismic source location in surrounding rock of deep-buried tunnel
The purpose of this review is to introduce the principle and development of microseismic source localization technology in deep-buried tunnel engineering. First, it introduces the main methods of microseismic ...
-
Article
Modified constitutive behavior model of Mg-10Gd-3Y-0.4Zr alloy during high-temperature deformation process
To investigate the flow behavior of Mg-10Gd-3Y-0.4Zr magnesium alloy during high-temperature deformation, the thermal compression experiments were conducted in the temperature range of 573–773 K and strain rat...
-
Article
La0.75Sr0.25Cr0.5Mn0.5O3−δ-Ce0.8Gd0.2O1.9 composite electrodes as anodes in LaGaO3-based direct carbon solid oxide fuel cells
Direct carbon solid oxide fuel cells (DC-SOFCs) are promising, green, and efficient power-generating devices that are fueled by solid carbons and comprise all-solid-state structures. Develo** suitable anode ...
-
Article
Influence of driver’s yielding behavior on pedestrian-vehicle conflicts at a two-lane roundabout using fuzzy cellular automata
The roundabouts are widely used in China, some of which have central islands as scenic spots. The crosswalks connecting to the central islands, normally full of pedestrians, have negative impact on roundabout ...
-
Article
Experimental investigation on flow properties of cemented paste backfill through L-pipe and loop-pipe tests
With the gradual depletion of available ore at shallow depth, deep mines have been widely operated around the world and therefore need a longer distance to transport the backfill to the underground stope. In t...
-
Article
Fracture evolution and localization effect of damage in rock based on wave velocity imaging technology
By utilizing wave velocity imaging technology, the uniaxial multi-stage loading test was conducted on siltstone to attain wave velocity imagings during rock fracture. Based on the time series parameters of aco...
-
Article
3D Se-doped NiCoP nanoarrays on carbon cloth for efficient alkaline hydrogen evolution
The exploration of stable and highly efficient alkaline hydrogen evolution reaction (HER) electrocatalysts is imperative for alkaline water splitting. Herein, Se-doped NiCoP with hierarchical nanoarray structu...
-
Article
Experimental investigation on failure process and spatio-temporal evolution of rockburst in granite with a prefabricated circular hole
To study the mechanism of rockburst and its spatio-temporal evolution criterion, a rockburst simulation experiment was performed on granite specimens, each with a prefabricated circular hole, under different l...
-
Article
First-principles calculation of Aun@(ZnS)42 (n = 6–16) hetero-nanostructure system
The structure stability and electronic and optical properties of a series of Au@ZnS core–shell nanocomposites with different sizes were investigated theoretically by first-principle calculation based on densit...
-
Article
Hydrogen reduced sodium vanadate nanowire arrays as electrode material of lithium-ion battery
Vanadates and vanadium oxides are potential lithiumion electrode materials because of their easy preparation and high capacity properties. This paper reports the electrochemical lithium-storage performance of VO2
-
Article
Numerical investigations on mechanical characteristics and failure mechanism of outwash deposits based on random meso-structures using discrete element method
Outwash deposit is a unique type of geological materials, and its features such as heterogeneity, discontinuity and nonlinearity determine the complexity of mechanical characteristics and failure mechanism. In...
-
Article
Effects of intense magnetic field on digestion and settling performances of bauxite
The effects of magnetic field intensity, roasting temperature and roasting time on digestion rate and settling performance of bauxite with different iron contents were investigated systematically. The results ...
-
Article
Dynamic strength characteristics and failure criteria of anisotropically consolidated silt under principal stress rotation
In order to identify the critical properties and failure criteria of in-situ silt under vehicle or wave loading, anisotropically consolidated silt under undrained cyclic principal stress rotation was studied w...
-
Article
Preparation of titanium powders by calciothermic reduction of titanium dioxide
To develop an effective process for titanium powders production, a calciothermic reduction process of pigment titanium dioxide (w(TiO2)>98%), based on the preform reduction process (PRP), was investigated by mean...
-
Article
Preparation of nano-copper as lubrication oil additive
Nano-copper used as lubrication oil additive has good tribological property and active self-repairing effect for friction pairs. The reduction in liquid phase for preparing nano-additive is one of the most com...
