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Article
Tin oxide nanocrystals embedded in nanopore arrays on stainless steel surface for photocatalytic applications
The immobilization of SnO2 nanocrystals on solid substrates for practical photocatalytic applications suffers from poor adhesion that will lead to loss of photocatalytic activity and short service life. An effici...
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Article
Enzyme-free glucose sensing based on Fe3O4 nanorod arrays
An enzyme-free electrochemical sensor for glucose was prepared by electrochemical anodization of iron foil, followed by in situ annealing under a flow of hydrogen to give a one-dimensional Fe3O4 nanorod array (NR...
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Article
Solid-State Reaction Between Fe-Al-Ca Alloy and Al2O3-CaO-FeO Oxide During Heat Treatment at 1473 K (1200 °C)
The aim of this study was to control the physicochemical characteristics of inclusions in steel through appropriate heat treatment. Using a confocal scanning laser microscope (CSLM) and pipe furnace, the solid...
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Article
Ag nanowire-modified 1D α-Fe2O3 nanotube arrays for photocatalytic degradation of methylene blue
An in-situ photoreduction strategy is applied to coat Ag nanowires (NWs) directly onto the surface of one-dimensional (1D) α-Fe2O3 nanotube arrays (NTAs) fabricated by anodization treatment, and their chemical co...
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Article
Effect of Ladle Changeover Condition on Transient Three-Phase Flow in a Five-Strand Bloom Casting Tundish
The transient three-phase flow behavior in a five-strand bloom casting tundish during the ladle changeover process considering a constant casting speed was investigated by the VOF model, and the effect of ladl...
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Article
Effect of Argon Blowing Rate on Multiphase Flow and Initial Solidification in a Slab Mold
The multiphase flow, heat transfer, and initial solidification behaviors in a 230 × 1300 mm2 continuous casting slab mold under different argon blowing rates were investigated by a multi-physical model. Water mod...
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Article
Effect of Silicon Concentration on Melting Behavior of Scraps in Hot Metal
To clarify the effects of Si concentration, temperature, and time on melting of the silicon steel, three silicon steels with different Si concentrations were used to conduct an experimental investigation of th...
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Article
Effect of Electromagnetic Stirrer Position on Mold Metallurgical Behavior in a Continuously Cast Bloom
The multiphase flow, initial solidification and solute diffusion and their interactions in a mold region of 380 × 280 mm2 casting bloom under different installation positions of in-mold electromagnetic stirring (...
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Article
Transformation of Inclusions in 430 Stainless Steel During Heat Treatment at 1473 K (1200 °C)
To investigate the evolution mechanism of inclusions in solid 430 stainless steel during heat treatment, in this study, two kinds of experiments were performed: one was a heat treatment experiment conducted at...
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Article
Effects of Refining Slag on Transformation and Removal of Inclusions in Type 430 Stainless Steel
Laboratory “steel–slag” equilibrium experiments at 1873 K (1600 °C) were conducted to study the effects of basicity (CaO/SiO2) and the C/A ratio (CaO/Al2O3) in CaO–SiO2–Al2O3–MgO slag on the inclusions in Si–Mn-d...
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Article
Mechanism of Interfacial Reactions Between Type 430 Stainless Steel and Complex MgO–Al2O3–SiO2–CaO–MnO Oxide During Isothermal Heating
To quantitatively study the mechanism of interfacial reactions between type 430 stainless steel and complex MgO–Al2O3–SiO2–CaO–MnO oxide during the soaking process before hot-rolling, diffusion couple experiments...
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Article
Behavior and Mechanism of Inclusion Deformation in Type 430 Stainless Steel During Isothermal Compression
To clarify the deformation behaviors and mechanism of various kinds of inclusions in type 430 stainless steel during hot rolling, isothermal compression experiments using Gleeble-3500 thermo-mechanical simulat...
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Article
Precipitation and Growth of MnS Inclusions in Non-quenched and Tempered Steel Under the Influence of Solute Micro-segregations During Solidification
Precipitation and growth behaviors of MnS inclusions during the solidification of non-quenched and tempered steel have been experimentally and thermodynamically investigated. Effects of cooling method and cool...
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Article
Multimodel Predictions on Converter Raw Material Addition Under GRNN Optimization: A Comparative Study
Due to the complexity of the steelmaking process, establishing predictive models for raw material addition has been a challenging problem. While statistical models and artificial neural networks have been exte...
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Article
Effect of Ce on the Segregation and Secondary-Phase Precipitation During the Solidification of S31254 Super-Austenitic Stainless Steel
The influence of different amounts of cerium on inclusion evolution, solidification structure, elemental segregation, and intermetallic precipitation in super-austenitic stainless steel S31254 were systematica...
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Article
Optimization of Multiphase Flow and Initial Solidification Behaviors in a Stainless Steel Mold by SEN Design
The flow, level fluctuation, and initial solidification in a 1248 × 200 mm2 slab mold of stainless steel under the bifurcated SEN with diverse divergent angle, inclination angle, and immersion depth were numerica...
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Article
Suppression of Free-Surface Vortex in Tundish by Rotating Stopper-Rod and Its Impact on Multiphase Flow in Mold
The free-surface vortex at the end of tundish casting sequence induces slag carryover into the mold, which can induce reduction in metal yield, deterioration in billet quality, and disruption to production. In...
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Article
Effect of Asymmetric Bottom Blowing on Melting Behavior of Steel Scrap in a Converter
The stirring energy of bottom blowing is one of the most important factors affecting the steel scrap melting in converter. In this paper, a three-dimensional turbulent-multiphase-solidification/melting-solute ...