232 Result(s)
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Article
Formation mechanism and prediction of new phases in binary metallic liquid/solid interface
Diffusion and solution phenomena of heterogeneous atomics in binary metallic liquid/solid interface has a very wide range of applications in materials engineering, the structures and properties of the diffusio...
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Article
Hydrogen Pick-Up During Electroslag Remelting Process
The pick-up of hydrogen during electroslag remelting process for several slags consisting of CaF2-Al2O3−CaO-SiO2−MgO had been investigated. The laboratory-scale remelting experiments had been carried out in open ...
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Article
Effects of Niobium and Vanadium on Hydrogen-Induced Delayed Fracture in High Strength Spring Steel
Influence of vanadium and/or niobium additions on delayed fracture behavior in high strength spring steel was studied by hydrogen permeation method and slow strain rate technique (SSRT), and its mechanism was ...
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Article
Effect of Calcium Treatment on Non-Metallic Inclusions in Ultra-Low Oxygen Steel Refined by High Basicity High Al2O3 Slag
The influence of calcium treatment on non-metallic inclusions had been studied when control technology of refining top slag in ladle furnace was used in ultra-low oxygen steelmaking. A sufficient amount alumin...
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Article
BP Neural Network of Continuous Casting Technological Parameters and Secondary Dendrite Arm Spacing of Spring Steel
The continuous casting technological parameters have a great influence on the secondary dendrite arm spacing of the slab, which determines the segregation behavior of materials. Therefore, the identification o...
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Article
High-Temperature Oxidation Behavior of Vanadium, Titanium-Bearing Magnetite Pellet
By means of isothermal oxidation and chemical analysis, great importance was attached to the parameters that made effects on the oxidation degree of vanadium, titanium-bearing magnetite pellet in high-temperat...
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Article
Effect of Heat Treatment on Microstructure and Property of Cr13 Super Martensitic Stainless Steel
The microstructures and mechanical properties of Cr13 super martensitic stainless steel after different heat treatments were studied. The results show that the structures of the steel after quenching are of la...
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Article
A Coupling Dynamic Model for Dissolution and Reduction of Chromium Ore in a Smelting Reduction Converter
For describing and resolving the process of chromium ore smelting reduction in a converter preferably, the coupling dynamic model was established based on the kinetic models of chromium ore dissolution and int...
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Article
Effects of Sc do** on electrical conductivity of BaZrO3 protonic conductors
BaZr1−x Sc x O3−0.5x (x=0.07, 0.10, 0.13, 0.16) powders were prepared by solid-state reaction method, and ZnO was used as sintering aid. Samples ...
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Article
Secondary Hardening, Austenite Grain Coarsening and Surface Decarburization Phenomenon in Nb-Bearing Spring Steel
The secondary hardening, the austenite grain coarsening and the surface decarburization phenomenon of Nb-bearing spring steel were investigated, and the effects of niobium on tempered microstructure was studie...
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Article
Electronic structures of new tunnel barrier spinel MgAl2O4: first-principles calculations
The electronic structures of spinel MgAl2O4 and MgO tunnel barrier materials were investigated using first-principles density functional theory calculations. Our results show that similar electronic structures ar...
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Article
Antibacterial Property of Cu Modified Stainless Steel by Plasma Surface Alloying
Stainless steel (SS) is not recommended to be used in hospital environments for work surfaces and door furniture due to the lack of antibacterial properties. To this end, a novel SS surface modified layer with...
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Article
Effect of Hydrogen Addition on Low Temperature Metallurgical Property of Sinter
Hydrogen-enrich iron making process is certainly to be an effective method to reduce greenhouse gases emission. However, the effect of hydrogen addition on the low temperature metallurgical property of sinter ...
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Article
TANDEM and GMAW Twin Wire Welding of Q690 Steel Used in Hydraulic Support
Compared with using semi-automatic gas shielded arc welding, using automatic TANDEM twin wire welding and twin wire gas metal arc welding (GMAW) to weld Q690 steel, a low-alloy high-strength structural steel u...
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Article
Slag Melting Characteristic of Slag Forming and Slag Splashing for BOF Less Slag Smelting
The slag melting characteristic of slag forming and slag splashing for 300 t BOF less slag process is researched by combining the methods of the slag chemical composition, the melting point determination and t...
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Article
Numerical Simulation for Effect of Inlet Cooling Rate on Fluid Flow and Temperature Distribution in Tundish
The fluid flow in tundish is a non-isothermal process and the temperature variation of stream from teeming ladle dominates the fluid flow and thermal distribution in tundish. A numerical model was established ...
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Article
Decomposition process of zircon sand concentrate with CaO-NaOH
The decomposition process for zircon sand concentrate using mixed base of sodium hydroxide partly replaced by calcium oxide was inrestigated. It is found that the decomposition rate of zircon gradually increas...
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Article
Mechanical Property and Microstructural Characterization of C-Mn-Al-Si Hot Dip Galvanizing TRIP Steel
Mechanical properties and microstructure in high strength hot dip galvanizing TRIP steel were investigated by optical microscope (OM), transmission electron microscope (TEM), X-ray diffraction (XRD), dilatomet...
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Article
Thermal, Microstructural and Mechanical Coupling Analysis Model for Flatness Change Prediction During Run-Out Table Cooling in Hot Strip Rolling
Non-uniformity of temperature distribution across strip width direction is the ultimate reason why the flatness defect occurs on the strip after cooling process although the strip is flat at the exit of finish...
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Article
Effect of Modification Treatment for Reduction of Dephosphorization Slag in Hot Metal Bath
To extract the valuable elements from the steel slag, a novel approach has been proposed by modification treatment to provide the stronger driving forces and accelerate the reduction. Three types of dephosphor...
