112 Result(s)
within
Materials Science, general
Physical Chemistry
**ao-**a Jiang
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Article
Corrosion behavior of Al2O3–C bricks in MnO-containing mold slag
In order to explore the corrosion mechanism of Al2O3–C refractories in the mold flux bearing MnO, the immersion test of Al2O3–C refractories in CaO–SiO2–CaF2–MnO slag with different MnO contents was carried out a...
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Article
Magnesium-containing pellet regulating blast furnace ferrous burden interaction: softening–melting behavior and mechanism
MgO participates in all stages of sintering, pelletizing, and blast furnace ironmaking, and synergistically optimizing the distribution of MgO in ferrous burden can effectively enhance the interaction within t...
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Article
Effect of short-time low-temperature austenitizing on microstructure and mechanical properties of DT300 ultra-high strength steel fabricated by laser powder bed fusion
To address the inhomogeneous microstructure and improve the mechanical properties of DT300 ultra-high strength steel specimens fabricated by laser powder bed fusion, different post-heat treatment schedules are...
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Article
Dissolution kinetics and reaction mechanism of Al2O3 in molten CaF2–CaO–Al2O3 slag
The dissolution behavior of Al2O3 in molten CaF2–CaO–Al2O3 slag, a basic slag system of electroslag remelting process, was investigated by rotating cylinder method using corundum rods to simulate Al2O3 inclusions...
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Article
O2 adsorption on Fe3O4 (110) surface and effect of gangue element Al do**: combined study of binding experiment and ab initio molecular dynamics
At high temperature, the chemical reaction mechanism at the interface of magnetite and the influence mechanism of gangue element Al on the oxidation performance of magnetite are not clear. In addition, due to ...
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Article
Interface interaction between SiO2 and magnetite under high temperature: particle migration and inhibition mechanism
Silicon is one of the main gangue components in iron ore, usually in the form of quartz and olivine. Numerous studies have shown that SiO2 has a two-sided effect on the consolidation of pellets during high-temper...
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Article
Adverse effect of niobium and boron on hot deformation behavior of sulfur-containing steel
The hot deformation behaviors of sulfur-containing gear steel 20MnCr5 containing three different contents of Nb and B (0, 0.021%Nb, and 0.024%Nb–0.0022%B) were investigated. Hot compression and tenssion tests ...
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Article
Effect of pH and applied stress on hydrogen sulfide stress corrosion behavior of HSLA steel based on electrochemical noise analysis
The influence mechanism of pH and the externally applied stress on sulfide stress corrosion cracking behavior based on the joint analysis of the in situ electrochemical noise and microstructure was studied. Th...
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Article
Mitigating corrosion of deposit-covered carbon steel in solution containing sulfate-reducing bacteria by purging nitrogen
The corrosion behavior of a carbon steel covered by sand deposits in the solution containing sulfate-reducing bacteria (SRB) under nitrogen purging conditions was studied by electrochemical measurements and su...
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Article
Review on monitoring and prevention technologies of splashing induced by inappropriate slag foaming in BOF
Basic oxygen steelmaking (BOS) is the most frequently used method to produce molten steel, which is being developed to meet the requirements of being safe, efficient, clean, and intelligent. During the BOS pro...
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Article
Hot corrosion behaviors of 921A alloy and HVAF-sprayed Fe-based amorphous coating covered with KCl–ZnCl2 salts
Hot corrosion behaviors of the 921A alloy and Fe-based amorphous coating induced by KCl–10% ZnCl2 and KCl–55% ZnCl2 salts at 450 °C in air for 40 h were investigated. Results show that the 921A alloy suffers more...
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Article
Multiphase flow inside a four-strand continuous casting tundish using three types of ladle shrouds
Numerical and physical models have been built and validated to study the multiphase flow inside three ladle shrouds and a four-strand tundish. A conventional straight ladle shroud and two types of trumpet-shap...
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Article
XGBoost-based model for predicting hydrogen content in electroslag remelting
An Xtreme Gradient Boosting (XGBoost)-based endpoint hydrogen content prediction model was proposed for the electroslag remelting process, the data collected in the field were pre-processed, and the characteri...
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Article
Cellular automata simulation of grain growth of powder metallurgy Ni-based superalloy
Primary γ′ phase instead of carbides and borides plays an important role in suppressing grain growth during solution at 1433 K of Ni-based FGH98 superalloys. Results illustrate that as-fabricated FGH98 superal...
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Chapter
Electrocatalytic Seawater Splitting
Seawater electrolysis opens a new opportunity to lower the cost of hydrogen production from current water electrolysis technologies. However, due to the different characters such as the existence of chloride i...
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Article
Stabilization technology and corrosion mechanism of rust layer on Q370 weathering steel surface
A newly developed rust layer on Q370qENH weathering steel (sample C) was studied under dry–wet cycle test of 3.5 wt.% NaCl solution and salt spray test, compared with the bare weathering steel (sample A) and t...
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Article
Prediction model of end-point phosphorus content for BOF based on monotone-constrained BP neural network
Dephosphorization is essential content in the steelmaking process, and the process after the converter has no dephosphorization function. Therefore, phosphorus must be removed to the required level in the conv...
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Article
Effects of strain rate on austenite stability and mechanical properties in a 5Mn steel
The austenite stability and the mechanical properties in a typical medium Mn grade steel, i.e., 5Mn steel, were investigated under a wide range of strain rates through the combination of experimental and theor...
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Article
Microstructure evolution and mechanical properties of PESR 55Cr17Mo1VN plastic die steel during quenching and tempering treatment
55Cr17Mo1VN high nitrogen martensitic stainless steel is usually applied to the high-quality mold, which is largely produced by the pressurized electro slag remelting process. The microstructure evolution of q...
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Article
Growth mechanism for zinc coatings deposited by vacuum thermal evaporation
The vacuum thermal evaporation technique was used to simultaneously deposit zinc coatings onto interstitial free steel plates and single-crystal silicon wafers in a high vacuum environment. The effect of subst...
