35 Result(s)
within
English
Engineering
Metallic Materials
**g-bing Wang
Article
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Article
Synergistic effect of Zr and Mo on precipitation and high-temperature properties of Al-Si-Cu-Mg alloys
This study focuses on finding a solution to the sharp decline in mechanical properties of Al-Si-Cu-Mg alloys due to rapid coarsening of traditional intermediate phases at high temperature. A new type of modifi...
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P- and S-wave arrival time combined Bayesian location method for a microseismic event
Microseismic (MS) source location is a critical technology in MS monitoring. Traditionally, P-wave or S-wave travel time-based ray-tracing algorithms are adopted for a mine MS event location. However, only a f...
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Experimental study on triaxial creep characteristics of the anthracite coal under low confining pressure
The creep characteristics of coal pillars left over from old mining directly affect the long-term stability of underground engineering. To study the creep characteristics and long-term stability of the No. 3 a...
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Sol-gel synthesis of metal ions doped TiO2 catalyst with efficient photodegradation of dye pollutant
Water pollution problem is a significant trouble in our life. The photodegradation of organic pollutants in water, which is an environmentally friendly and economically feasible approach, has attracted conside...
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A review on metal additive manufacturing: modeling and application of numerical simulation for heat and mass transfer and microstructure evolution
Metal additive manufacturing technology has been widely used in prototy**, parts manufacturing and repairing. Metal additive manufacturing is a multi-scale and multi-physical coupling process with complex ph...
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Rockburst prediction in hard rock mines develo** bagging and boosting tree-based ensemble techniques
Rockburst prediction is of vital significance to the design and construction of underground hard rock mines. A rockburst database consisting of 102 case histories, i.e., 1998–2011 period data from 14 hard rock...
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Experimental simulation investigation of influence of depth on spalling characteristics in circular hard rock tunnel
A series of true-triaxial compression tests were performed on red sandstone cubic specimens with a circular hole to investigate the influence of depth on induced spalling in tunnels. The failure process of the...
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Review of oxidant resistant coating on graphite substrate of HTR fuel element
The core components of HTR mainly consist of graphite, which is an excellent solid moderating material and structure material with good irradiation performance. However, graphite is easier to be oxidized at hi...
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Kinematic analysis of geosynthetics-reinforced steep slopes with curved slo** surfaces and under earthquake regions
A procedure of kinematic analysis is presented in this study to assess the reinforcement force of geosynthetics required under seismic loadings, particularly for steep slopes which are hardly able to maintain ...
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Red-blood-cell-like nitrogen-doped porous carbon as an efficient metal-free catalyst for oxygen reduction reaction
A red-blood-cell-like nitrogen-doped porous carbon catalyst with a high nitrogen content (9.81%) and specific surface area (631.46 m2/g) was prepared by using melamine cyanuric acid and glucose as sacrificial tem...
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Case-based reasoning model based on attribute weights optimized by genetic algorithm for predicting end temperature of molten steel in RH
Temperature control is the key of Ruhrstahl-Heraeus (RH) process in steelmaking plant. The accuracy of RH control model greatly affects the molten steel temperature fluctuation. To obtain RH control model with...
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Two-step carbon modification of NaTi2(PO4)3 with improved sodium storage performance for Na-ion batteries
NASICON-type structured NaTi2(PO4)3 has been regarded as a promising anode material for non-aqueous and aqueous Na-ion batteries, whereas its sodium storage performance was greatly restricted by its inherent infe...
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Zr55.8Al19.4(Co1−xCux)24.8 (x = 0–0.8 at.%) bulk metallic glasses for surgical devices applications
Zr–Al–Co–Cu bulk metallic glasses (BMGs) are promising surgical materials. By using the electron concentration criterion for BMG composition design, a series of Zr55.8Al19.4(Co1−xCux)24.8 (x = 0–0.8 at.%) alloys ...
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Combustion performance of nozzles with multiple gas orifices in large ladles for temperature uniformity
In order to improve the baking temperature uniformity of the large ladle in steelmaking plants, the flame combustion characteristics of nozzles with different inner structures were numerically simulated with t...
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Calculations of stability of alloyed cementite from valance electron structure
Based on the empirical electronic theory of solids and molecules (EET), the actual model for unit cell of cementite (θ-Fe3C) was built and the valence electron structures (VES) of cementite with specified site an...
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Effects of thermal treatment on physical and mechanical characteristics of coal rock
To study the physical and mechanical properties of coal rock after treatment at different temperatures under impact loading, dynamic compression experiments were conducted by using a split Hopkinson pressure b...
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A New Approach for Refining Carbide Dimensions in M42 Super Hard High-speed Steel
Obtaining small carbides is crucial but difficult for high-speed steels. A new approach for refining carbide dimensions in M42 super hard high-speed steel by increasing cooling rate and spheroidizing treatment...
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Application of multivariate statistical techniques in assessment of surface water quality in Second Songhua River basin, China
Multivariate statistical techniques, such as cluster analysis (CA), discriminant analysis (DA), principal component analysis (PCA) and factor analysis (FA), were applied to evaluate and interpret the surface w...
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Effect of carrier gas pressure on vapor condensation and mass flow-rate in sonic nozzle
Non-equilibrium vapor condensation of moist gas through a sonic nozzle is a very complicated phenomenon and is related to the measurement accuracy of sonic nozzle. A gas-liquid two-phase model for the moist ga...
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Controlling transverse cracks of slab based on edge control technology
With the wide application of the micro alloy technology in recent years, the problem of slab surface transverse crack has become more severe. Based on the analysis of the J steelworks’ X80 steel slab transvers...
