In order to elucidate the mechanism of the effect of Ta content on the high temperature behaviour of the alloys, the high temperature oxidation and thermal corrosion experiments were carried out on the three alloys with different Ta contents …

Refill friction stir spot welding (RFSSW) provides a novel method to join similar and/or dissimilar metallic materials without a key-hole in the center of the joint. Having the key-hole free characterization, the similar/dissimilar RFSSW joint …

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 performed. With the increase in …

The evolution of microstructure, texture, and magnetic properties with random texture, near-copper texture, weak near-cube texture, and strong λ fiber (<001>//ND (normal direction)) before rolling of non-oriented electrical steel was studied.

NiCoFe alloy, a medium-entropy alloy, shows potential for applications in extreme environments. However, there is a theoretical barrier concerning the unclear understanding of its high-temperature dislocation motion mechanism. The load response …

To clarify the deformation behavior of MnS inclusions in a non-quenched and tempered steel at three different positions (edge, 1/2 radius and center) in the cross-section of the billet in the course of hot rolling, isothermal compression …

A three-dimensional mathematical model has been established for a novel metallurgy process coupling an annular gas curtain with swirling flow at tundish upper nozzle. The discrete phase model and volume of fluid model were applied to simulate the …

The rapid development of iron and steel metallurgy technology has promoted the continuous innovation and iteration of carbon-containing refractories for clean steel smelting. To meet the high-quality requirements for clean steel production and …

The high strength and stability of the full-lamellar structure guarantee the industrial application of the β-solidifying γ-TiAl alloys. However, it is a huge challenge to design an alloy with good hot-deformability as well as the full-lamellar …

A three-dimensional mathematical model coupling electromagnetic, flow, heat transfer, and solidification has been developed to investigate the effect of eccentric mold electromagnetic stirring (EM-EMS) on the flow and heat transfer of molten steel …

To achieve stable rolling, the influence of a tension mechanism of a large diameter ratio roll system on the rolling process of a strip flatness electromagnetic control rolling mill is studied. Through the analysis of the rolling deformation zone …

The experiments studying on the components of pure erosion, pure corrosion and their synergism were performed in multiphase systems containing sand particles, NaCl solution and condensate oil. The influence of condensate oil content on damage …

To solve the problem of poor high-temperature service performance caused by low carbonization of MgO–C refractories, low-carbon MgO–C refractories with excellent thermal shock, oxidation and corrosion resistances were successfully designed by …

The mechanical properties of the sample and the stability of retained austenite were studied by designing two kinds of ultra-fine bainitic steel with different heat treatment methods (austempering above and below Ms (martensite start …

Si3N4–TiN–SiC composites were prepared by partial substitution of the Ti–Si–Fe alloy extracted from high-titanium blast furnace slag for Si under nitrogen atmosphere. The nitridation, microstructure and mechanical properties of the composites were …

The distribution of inclusions at the bottom of a Ce-treated heavy steel ingot was detected and calculated. The three-dimensional morphology and spatial distribution of CeAlO3 clusters were characterized using the electrolytic extraction and …

The effect of nano-carbon black content (0, 8 and 12 wt.%) on the wettability of molten steel on Al2O3–C substrates was investigated by the sessile drop wetting method at 1500 °C under argon atmosphere. At the beginning of the wetting experiment …

Aiming at the paddle tilt angle of the spray-blowing agitation composite process, the four-blade stirring and blowing composite desulfurization agitator was chosen as the research object, and the computational fluid dynamics numerical simulation …

A model combining kernel principal component analysis (KPCA) and Xtreme Gradient Boosting (XGBoost) was introduced for forecasting the final oxygen content of electroslag remelting. KPCA was employed to reduce the dimensionality of the factors …

Steels are widely used as structural materials, making them essential for supporting our lives and industries. However, further improving the comprehensive properties of steel through traditional trial-and-error methods becomes challenging due to …