34 Result(s)
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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...
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Article
Improvement of impact properties of Al–Si–Mg alloy via solution treatment and joint modification with Sr and La
An effort to obtain superior impact properties for Al-7Si-0.35 Mg alloy is presented, where modification with 0.02 wt% Sr and 0.1 wt% La as well as solution treatment was jointly employed. The samples were sol...
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Article
Influence of oxygen-rich hot air composite gas medium on sintering performance and function mechanism
Hot air sintering technology is used to improve the quality and production efficiency of sintered ore. However, the current thick layer condition highlights the disadvantage of the low oxygen potential of the ...
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Article
Corrosion behavior of as-cast Al0.75CoFeCr1.25Ni high entropy alloy in 0.5 mol/L NaOH solution
The corrosion behavior of an Al0.75CoFeCr1.25Ni high-entropy alloy (HEA) in 0.5 mol/L NaOH solution was investigated using a series of electrochemical and analytical techniques, including X-ray photoelectron spec...
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Article
Effect of blade tilt angle on fluid flow characteristics in spray-blowing agitation composite process: a simulation
Aiming at the paddle tilt angle of the spray-blowing agitation composite process, the four-blade stirring and blowing composite desulfurization agitator was chosen as the research object, and the computational...
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Article
Propagation form of internal cracks induced by continuous casting soft reduction and control strategy for internal quality
The propagation form of internal cracks induced by continuous casting soft reduction and the control strategy for enhancing the internal quality of 45 steel through industrial trials and a three-dimensional fl...
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Article
DLF-YOLOF: an improved YOLOF-based surface defect detection for steel plate
Surface defects can affect the quality of steel plate. Many methods based on computer vision are currently applied to surface defect detection of steel plate. However, their real-time performance and object de...
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Article
Effect of slow shot speed on externally solidified crystal, porosity and tensile property in a newly developed high-pressure die-cast Al-Si alloy
The effect of slow shot speed on externally solidified crystal (ESC), porosity and tensile property in a newly developed high-pressure die-cast Al-Si alloy was investigated by optical microscopy (OM), scanning...
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Article
Migration behavior of solid fuel particles during granulation process and its influence on combustion property
Iron ore sintering process is the main CO2 emission source throughout the integrate steelworks, which primarily comes from the combustion of solid fuels. Improving the combustion efficiency and reducing the solid...
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Article
Effect of rare earth content on microstructure and corrosion resistance of hot-dip Zn–5Al alloy coated steel wire for bridge cables
The effects of the content of rare earth elements on the microstructure and properties of hot-dip Zn–5Al alloy steel wire for bridge cables were investigated. The microstructure of the hot-dip coating was anal...
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Article
Simulation of bubble breaking process in a jet mixing reactor for desulfurization of molten iron
The gas–liquid flow behavior of the stirred flow field, the different positions of a single bubble, the initial velocity, the surface tension and the agglomeration of multiple bubbles were studied by CFD numer...
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Article
Compositional study of δ-NbN film by Auger electron microscopy
The chemical stoichiometry on the surface of superconducting δ-NbN thin films is of great importance for their application. Here, we fabricated the δ-NbN thin films on SiO2/Si substrate by DC sputtering method. T...
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Article
Enhancing lithium-ion and electric conductive Li2FeSiO4 cathode through in situ boron-do** and carbon-coating strategy
The extremely low electrical conductivity and ion-diffusion coefficient of Li2FeSiO4 limits its application as a cathode material in lithium-ion batteries. Therefore, in situ boron-doped Li2FeSi1−xBxO4−δ/C (x = 0...
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Article
Interface stabilization of 1,1,2,2-tetrafluoroethyl-2,2,3,3-tetrafluoropropyl ether to high-voltage Li-rich Mn-based layered cathode materials
Non-aqueous electrolyte solvents play a pivotal role in improving the cycling performance of high-voltage Li-rich Mn-based layered cathode materials. In this study, a fluoroether (1,1,2,2-tetrafluoroethyl-2,2,...
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Article
Influence of cooling rate on phase transformation and precipitation behavior of Ti-bearing steel in continuous cooling process
The influence of cooling rate on microstructural evolution and precipitation behavior in Ti, Ti–Nb and Ti–Mo low-carbon steels during the continuous cooling process was studied by dilatometer method, optical m...
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Article
Multi-class classification method for steel surface defects with feature noise
Defect classification is the key task of a steel surface defect detection system. The current defect classification algorithms have not taken the feature noise into consideration. In order to reduce the advers...
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Article
Unbalanced classification method using least squares support vector machine with sparse strategy for steel surface defects with label noise
Least squares support vector machine (LS-SVM) plays an important role in steel surface defects classification because of its high speed. However, the defect samples obtained from the real production line may b...
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Article
Oxygen transfer phenomenon between slag and molten steel for production of IF steel
FeO-containing slag originated from the basic oxygen furnace to the ladle is a major reoxidation source during the following secondary refining. Ladle slag reduction treatment (slag treatment) is one of the co...
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Article
End-point dynamic control of basic oxygen furnace steelmaking based on improved unconstrained twin support vector regression
In order to improve the end-point hit rate of basic oxygen furnace steelmaking, a novel dynamic control model was proposed based on an improved twin support vector regression algorithm. The controlled objects ...
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Article
Effect of volume fraction and mechanical stability of austenite on ductility of medium Mn steel
A hot-rolled medium Mn (0.2C5Mn) steel is annealed at 650 °C to produce an ultrafine-grained duplex microstructure with different austenite volume fractions by austenite reverted transformation (ART) annealing...
