39 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
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
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
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
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
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...
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Article
Crystallization behavior of blast-furnace slag by single hot thermocouple technique
The crystallization behavior of blast-furnace slag under isothermal and continuous-cooling conditions was studied using the single hot thermocouple technique. The crystallization phases were obtained using Fac...
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Article
Influence of delta phase precipitation on static recrystallization of cold-rolled Inconel 718 alloy in solid solution treatment
Due to the improvement in fatigue strength of cold-rolled blades, the static recrystallization behavior of cold-rolled Inconel 718 alloy in the solid solution treatment was investigated with the methods of opt...
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Article
Improved hydrogen storage performance of as-milled Sm–Mg–Ni alloy by adding CeO2
To investigate the influence of adding CeO2 on the hydrogen storage characteristics of Sm–Mg–Ni-based SmMg11Ni-type alloy, mechanical milling was utilized to synthesize SmMg11Ni and SmMg11Ni + 5 wt.% CeO2 (named ...
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Article
Effects of Ti addition on corrosion behavior of Zr-based metallic glass in chloride medium
The effects of Ti element on the corrosion resistance of the metallic glass Zr51.3Al10Ni6Cu31.8Ag0.1Y0.8 in aqueous solution with various chloride concentrations were investigated, and the effect mechanism was di...
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Article
Deformation behavior of Ta wire-reinforced Zr-based bulk metallic glass composites
A Ta wire-reinforced Zr-based bulk metallic glass composite with a new type of structure was prepared successfully by the method of liquid metal infiltration. Ta wires distribute uniformly in the metallic glas...
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Article
Separation and comprehensive utilization of valuable elements in Ti-bearing electric arc furnace molten slag
A novel route to comprehensive utilization of valuable elements such as Ti, Al, Si and Mg in Ti-bearing electric arc furnace molten slag (Ti-bearing EAF slag) was proposed. The route can be expressed as a thre...
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Article
Thermodynamic analysis of improvement of converter gas by injecting pulverized coal into vaporization cooling flue
In order to improve the calorific value and the recovery yield of converter gas during the steelmaking process, a novel and thermodynamically admissible process was proposed. This method involved injecting pul...
