67 Result(s)
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Article
Effect of carbon concentration on melting behavior of steel scraps in hot metal baths
To reveal the intricate mechanisms underlying the melting and dissolution processes of scraps in the iron ladle, the melting characteristics of three carbon steels with different C concentrations at the bath t...
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Article
Effect of oxide inclusions on MnS precipitates and tensile mechanical property of high-strength low-alloy steel
The key role of oxide inclusions on the microstructure and mechanical property of a high-strength low-alloy steel was investigated. The field emission scanning electron microscope equipped with energy-dispersi...
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Article
Formation of free-surface vortex and vortex suppression by rotating stopper-rod at end of tundish casting
A rotating stopper-rod technique was proposed to suppress the formation of free-surface vortex in the tundish. The large eddy simulation model coupled with volume of fluid model was developed to study the stee...
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Article
Estimation of probable maximum aspect ratio of MnS inclusions in non-quenched and tempered steel after isothermal compression
To clarify the deformation behavior of MnS inclusions in a non-quenched and tempered steel at three different positions (edge, 1/2 radius and center) in the cross-section of the billet in the course of hot rol...
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Article
Interface characteristics and mechanical properties of titanium/aluminum composites with an interlayer fabricated by explosive welding
In this work, the interface morphology and element distribution of the TC1/AA1060/AA6061 composite plate were studied. The grain information was investigated by electron backscattered diffraction and interface...
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Article
Mechanisms of interfacial reactions between 316L stainless steel and MnO–SiO2 oxide during isothermal heating
Diffusion couple experiments were performed to study the thermodynamic and kinetic mechanisms of interfacial reactions between the 316L stainless steel and the composite MnO–SiO2 oxide during isothermal heating a...
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Article
Safe and intelligent mining: Some explorations and challenges in the era of big data
To improve discipline systems and address shortcomings of traditional mining theory, this work defines the safe and intelligent mining using the advanced theory and technology in the era of big data. It gives ...
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Article
Transformation of nanoscale inclusions in 316L stainless steel processed by laser beam powder bed fusion during isothermal heating
Transformation mechanisms and reaction kinetics for formation of nanoscale inclusions in as-built 316L stainless steel produced by laser beam powder bed fusion (LB-PBF) during subsequent isothermal heating pro...
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Article
Morphological transformation of elongated MnS inclusions in non-quenched and tempered steel during isothermal heating
Elongated MnS inclusions in rolled non-quenched and tempered steel tend to cause the mechanical anisotropy of steel, deteriorate the mechanical properties and degrade the quality and service life of the steel ...
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Article
Buckwheat core derived nitrogen- and oxygen-rich controlled porous carbon for high-performance supercapacitors
We propose a simple and effective one-step activation route to prepare a hierarchically porous carbon with buckwheat core acting for precursor. The as-obtained porous carbon (BCPC-3) shows high specific surfac...
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Article
Improving cleanliness of 30Cr2Ni4MoV low-pressure rotor steel by CaO–SiO2–MgO–Al2O3 slag refining
The optimal composition of a CaO–SiO2–Al2O3–MgO slag in the ladle furnace refining process was investigated to precisely control the contents of [O] and [Si] and improve the cleanliness of 30Cr2Ni4MoV steel. The ...
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Article
Physical and mechanical properties of Beishan granite after different high temperature treatments
In China, Beishan granite is chosen as a potential host surrounding rock of a high-level radioactive waste (HLW) repository. For this research, Beishan granite specimens were heated up to 300 °C, 400 °C and 50...
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Article
High-temperature modification and air-quenching granulation of steel slag
To solve the problem of difficult utilization of steel slag, the liquid steel slag was modified and the air-quenching granulation process was carried out to make steel slag into a value-added end product: air-...
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Article
Forming properties and microstructure of Al-Cu alloy prepared by liquid-die forging
The Al-Cu wheel adopting the new Al alloy was prepared by the liquid-die forging, and the mechanical properties, composition distribution, microstructure and fracture behavior were investigated. The results sh...
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Article
Regulative effect of Mg/Si ratio on microstructure evolution and mechanical properties of cast Al-Li-Mg-Si alloys
The effect of the Mg/Si ratio of Al-2.5Li-1Cu-0.8Mg-0.8Si, Al-2.5Li-1Cu-1.6Mg-0.8Si, and Al-2.5Li-1Cu-2.4Mg-0.8Si alloys on the microstructure evolution and mechanical properties was investigated. The results ...
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Article
Effect of Li addition on mechanical properties and ageing precipitation behavior of extruded Al−3.0Mg−0.5Si alloy
The effect of Li (2.0 wt%) addition on mechanical properties and ageing precipitation behavior of Al−3.0Mg−0.5Si was investigated by tensile test, dynamic elasticity modulus test, scanning electron microscopy ...
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Article
Softening–melting–drip** characteristics and evolution mechanism of vanadium-bearing titanomagnetite carbon composite briquette used as novel blast furnace burden
Vanadium-bearing titanomagnetite carbon composite briquette (VTM-CCB) was proposed as an innovative and promising blast furnace burden to realize low-carbon and high-efficiency ironmaking. To optimize the comp...
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Article
Preparation of stainless steel mesh-supported ZnO and graphene/ZnO nanorod arrays with high photocatalytic performance
A series of zinc oxide (ZnO) nanorods arrays with different morphologies are synthesized on stainless steel mesh via a facile electrodeposition method. The influences of electrodeposition parameters on the dia...
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Article
Structure characterization and grinding performance of gas-quenched steel slag abrasive
Gas-quenched steel slag abrasive was obtained by gas quenching with high-temperature liquid steel slag as raw material. The phase composition, thermal properties, micromorphology, magnetic properties, and mech...
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Article
Effect of process parameters on dry centrifugal granulation of molten slag by a rotary disk atomizer
Dry centrifugal granulation (DCG) experiments for blast furnace slag (BFS) were performed by means of a rotary disk atomizer since water quenching method can create a series of problems. The results showed tha...
