91 Result(s)
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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
Microwave uniformity regulation and its influence on temperature field distribution of composite materials
Microwave heating technology is currently a prominent area of research in the field of composites curing due to its advantages, including selective heating, energy saving and high efficiency. However, the unev...
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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
Energy dissipation characteristics of high-temperature granites after water-cooling under different impact loadings
Studying the energy dissipation characteristics of high-temperature rock after cooling with water during geothermal drilling construction is crucial to improving rock crushing efficiency. The energy dissipatio...
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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
Fabrication of Fe3C nanoparticles encapsulated in undoped graphite carbon and their catalysis for oxygen reduction
In recent years, nitrogenous metallic-complex catalysts for oxygen reduction reaction (ORR) have been extensively reported, but the exact role of Fe3C in the catalytic process is not clear due to the interference...
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Article
Continuous dynamic recrystallization nucleation mechanism and annealing twin evolution with respect to grain growth in a nickel-based superalloy
The hot compression deformation behavior of a nickel-based superalloy was characterized by electron backscattered diffraction (EBSD) and transmission electron microscopy (TEM) techniques. The main microstructu...
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Article
Microstructure characteristics and mechanical properties of NbMoTiVWSix refractory high-entropy alloys
Refractory high-entropy alloys are considered as potential structural materials for elevated temperature applications. To obtain refractory high-entropy alloys with high strength, different amounts of Si were ...
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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
Design and optimization of exhaust gas aftertreatment system for a heavy-duty diesel engine
Diesel engines meeting the latest emission regulations must be equipped with exhaust gas aftertreatment system, including diesel oxidation catalysts (DOC), diesel particulate filters (DPF), and selective catal...
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Article
Pore structure formation and hydration characteristics of cement paste with temperature rising inhibitor
The early-age thermal cracking easily generates and severely impairs the durability of concrete. The temperature rising inhibitor (TRI) was utilized to regulate the temperature evolution by controlling the cem...
