50 Result(s)
within
De-** Wang
Applied and Technical Physics
Physical Chemistry
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Article
Quantitative characterization of reaction behavior between La-bearing FeCrAl melt and CaO–Al2O3–La2O3-based slags and its guidance for design of mold flux
The reaction behavior between CaO–Al2O3–La2O3-based slags and La-bearing FeCrAl melt was quantitatively characterized, which was further compared with the reaction behavior of CaO–SiO2-based slags. Based on this,...
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Article
Wettability and corrosion behavior between alkaline slag from sodium smelting of vanadium–titanium magnetite and refractory substrates
The sodium smelting of vanadium–titanium magnetite can achieve the comprehensive utilization of Fe, V, and Ti. However, the generation of alkaline slag during this process may cause damage to refractory materi...
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Article
Effects of Mg–Ca treatment and Ca treatment on impact toughness and morphology of sulfides in 45MnVS non-quenched and tempered steel
An industrial experiment was conducted at a certain steel plant in China to compare and analyze the effects of Ca treatment and Mg–Ca treatment on inclusions in 45MnVS non-quenched and tempered steel. Through ...
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Article
Microstructure and microtexture evolution characteristics of a powder metallurgy Ni-based superalloy during static recrystallization
Static recrystallization (SRX) characteristics of a powder metallurgy superalloy were investigated by isothermal compression at 1080–1170 °C under strain rates of 0.01–0.1 s−1, strains of 0.1, 0.22, or 0.5, and h...
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Article
Mechanical properties and microstructure of Mg-treated and Ca-treated industrial H13 steel after quenching and tempering
The effect of magnesium treatment and calcium treatment on the microstructure and mechanical properties of industrial H13 steel after quenching and tempering was investigated. The impact toughness and tensile ...
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Article
Effective utilization of dolomitic lead–zinc waste rock by replacing dolomite as flux in iron ore sintering process
With increasingly stringent environmental protection policies, cost-effective and value-added treatment of massive lead–zinc waste rock (LZWR) generated from the preconcentration process has attracted substant...
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Article
Phase precipitation and corrosion properties of copper-bearing ferritic stainless steels by annealing process
The effects of different annealing processes on the phase precipitation behavior and corrosion properties of copper-bearing 430 ferritic stainless steel were systematically investigated. The shape, quantity an...
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Article
Chemical patterning enhanced by increasing quenching temperature in a medium-Mn steel
Chemical heterogeneity in high-temperature austenite is an effective way to tune the austenite-to-martensite transformation during cooling. The effect of quenching temperature on microstructure evolution is in...
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Article
Physical and numerical investigation on fluid flow and inclusion removal behavior in a single-strand tundish
Aiming at the problem that the existence of inclusions in the tundish continuous casting process can easily lead to quality defects of the slab, the stainless steel continuous casting tundish was taken as the ...
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Article
Difference of sintering performance of different types of limonitic nickel laterite
To achieve the more extensive utilization of limonitic nickel laterite, the difference of sintering performance of different types of limonitic nickel laterite including high-gangue and low-gangue nickel ores ...
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Article
Achieving efficient utilization of limonitic nickel laterite and CO2 emission reduction through multi-force field sintering process
Strengthening limonitic nickel laterite sintering and reducing CO2 emission were performed by the application of multi-force fields including external thermodynamic and pressure fields. Sinter pot tests of limoni...
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Article
A high-efficiency separation process of Fe and Zn from zinc-bearing dust by direct reduction
It is urgent to dispose of zinc-bearing dust from steel plants, and direct reduction process is an effective method to remove hazardous metals and recycle iron from the dust. The reduction behavior of carbon-c...
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Article
Evolution of microstructures and mechanical properties with tempering temperature of a pearlitic quenched and tempered steel
Instead of conventional quenching and tempering, fast austenitization from an initial microstructure of lamellar pearlite followed by quenching and tempering was carried out, leading to the formation of inhomo...
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Article
Interface characteristics between TiN and matrix and their effect on solidification structure
Heterogeneous nucleation is an effective way to promote the dispersion and precipitation of second-phase particles in steel and refine the grain size of the solidification structure. Not only refining as-cast ...
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Article
Physicochemical properties of coconut husk activated carbon modified by Fe(NO3)3 and Mn(NO3)2
Fe-loaded activated carbon (AC) has high surface acidity and more active sites, while manganese-loaded AC has high oxygen content. Coconut husk AC modified by Fe–Mn was studied with the aim of revealing the mo...
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Article
Effect of trace Si on MgO·Al2O3 inclusion in ultra-low-carbon steel
There are four types of Mg–Al–Si–O inclusions observed in the Mg-treated Al-deoxidized ultra-low-carbon steel containing trace Si, including SiO2, 2MgO·SiO2, 3Al2O3·2SiO2, and 2MgO·2Al2O3·5SiO2 and their composit...
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Article
Two-dimensional comprehensive mathematical model for electroslag remelting process with pipe electrode
Taking the electroslag remelting with pipe electrode (ESR-PE) and electroslag remelting with solid electrode (ESR-SE) as the research objects, a two-dimensional steady-state mathematical model of coupled elect...
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Article
Experimental study and industrial demonstration on utilization of Fe, Ti and V from vanadium-bearing titanomagnetite ore sands
In order to achieve highly efficient utilization of three valuable elements Fe, Ti and V simultaneously from vanadium-bearing titanomagnetite ore sands, an improved carbothermic reduction method was proposed a...
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Article
A comparison study on viscosity and heat transfer property of fluorine-bearing and fluorine-free mold flux for casting silicon steel
A comparison study was conducted on viscosity and heat transfer property of the traditional fluorine-bearing (F-bearing) mold flux and the newly designed fluorine-free (F-free) mold flux for casting silicon st...
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Article
Effect of CaO/Al2O3 ratio on viscosity and structure of CaO–Al2O3-based fluoride-free mould fluxes
The effects of CaO/Al2O3 ratio on viscosity and structure of the CaO-Al2O3-based fluoride-free mould fluxes were investigated with the CaO/Al2O3 ratio varied from 1 to 4 and the content of SiO2 fixed at 7 wt.%. T...
