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Thermodynamic Evaluation of Element Transfer Behaviors for Fused CaO-SiO2-MnO Fluxes Subjected to High Heat Input Submerged Arc Welding

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

Submerged arc welding has been performed by employing fused CaO-SiO2-MnO fluxes of varying MnO and CaO contents on EH36 shipbuilding steel grade. Tran......

Reduction Mechanism of Fine Hematite Ore Particles in Suspension

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

In order to understand the pre-reduction behaviour of fine hematite particles in the HIsarna process, change of morphology, phase and crystallography ......

Recycling of Chromium-Containing Waste Oxide as Alloying Addition in Ladle Metallurgy

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

Recycling of chromium-containing waste oxide (from spent catalyst) in ladle metallurgy would both dispose of hazardous waste and save alloying cost. W......

Statistical Analysis of the Inclusions in Rare Earth-M (M = Ca and Ti) Treated Steel

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

The size, quantity, morphology and structure of inclusions in steel treated with rare earth (RE) with different deoxidizers (calcium and titanium) wer......

Yttria-Stabilized Zirconia Assisted Green Electrochemical Preparation of Silicon from Solid Silica in Calcium Chloride Melt

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (3)

A novel integrated cell with O2-|YSZ|Pt|O-2(air) reference and counter electrodes was constructed using a short yttria-stabilized zirconia solid elect......

Numerical Simulation of 3D Asymmetric Inner States of an Ironmaking Blast Furnace Resulting from Tuyere Closure

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

Non-uniform blast injection often occurs in blast furnace (BFs) ironmaking process, but the consequences in the inner state remain unclear under indus......

Grain Refinement of the CrMnFeCoNi High Entropy Alloy Cast Ingots by Adding Lanthanum

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (3)

The effect of lanthanum addition on the grain refinement of CrMnFeCoNi high-entropy alloys (HEAs) was investigated experimentally. When 9.3 pct lantha......

Blast Furnace Ironmaking Process with Super-High TiO2 in the Slag: Sulfide Capacity

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

To increase the utilization of V-Ti-Magnetite ore in the burden of a blast furnace, we investigated replacing CaO with MgO. The high fraction of TiO2-......

Effect of Prior Oxidation on the Reduction Behavior of Magnetite-Based Iron Ore During Hydrogen-Induced Fluidized Bed Reduction

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

Magnetite-based iron ore usually shows a high sticking tendency and a poor reducibility in the fluidized bed because of its dense structure. To enhanc......

Air Gap Measurement During Steel-Ingot Casting and Its Effect on Interfacial Heat Transfer

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

Air gap formation during solidification greatly affects interfacial heat transfer and both must be understood quantitatively for accurate numerical si......

Simulation and Application of Ruhrstahl-Heraeus (RH) Reactor with Bottom-Blowing

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

To increase the refining efficiency of the Ruhrstahl-Heraeus (RH) reactor used in steelmaking, extra gas was blown into the molten bath through the bo......

Three-Dimensional Macrosegregation Model of Bloom in Curved Continuous Casting Process

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

In the current study, a three-dimensional semi-coupling macrosegregation model was established for a curved bloom continuous casting strand. The fluid......

Behaviors of Supersonic Oxygen Multi-jets with Various Preheating Temperatures

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

The oxygen supply process is a key operation in the metallurgy field, as it injects oxygen in addition to dynamic energy into the molten bath using an......

Formation Mechanism of AlN Inclusion in High-Nitrogen Stainless Bearing Steels

期刊: METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 2021; 52 (4)

The existence of angular and hard AlN inclusions would seriously deteriorate the service life of high-nitrogen stainless bearing steels (HNSBSs). In t......

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