269 Result(s)
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Article
Cracking on a nickel-based superalloy fabricated by direct energy deposition
Cracks have consistently been a significant challenge limiting the development of additive manufactured nickel-based superalloys. It is essential to investigate the location of cracks and their forming mechani...
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Article
Effect of two-pass rolling of textured roll and polished roll on surface topography and mechanical properties of 316L stainless steel ultra-thin strip
The textured roll and polished roll were applied instead of the ground roll in a 20-high mill to conduct two-pass rolling of 316L stainless steel strip with thickness of 0.027 mm. After the two-pass rolling wi...
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Article
Effect of initial microstructure on microstructure evolution and mechanical properties of 0.12C martensitic steels during quenching and tempering
The microstructure evolution and mechanical properties of a Fe–0.12C–0.2Si–1.6Mn–0.3Cr–0.0025B (wt.%) steel with different initial microstructures, i.e., hot rolled (HR) and cold rolled–annealed (CRA), were st...
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Article
High-temperature wetting behavior between slag and refractory
Slag corrosion is one of the main factors of the damage of refractory, and its primary manifestations involve the melting of refractory in slag and the slag penetration into refractory, both of which are highl...
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Article
Energy saving analysis for CO2–O2 mixed injection technology in converter steelmaking
Energy-saving in China's iron and steel industry still relies on the development and improvement of short-term energy saving technologies. Therefore, a special converter smelting technology incorporating energ...
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Article
I-DCGAN and TOPSIS-IFP: A simulation generation model for radiographic flaw detection images in light alloy castings and an algorithm for quality evaluation of generated images
The intelligent detection technology driven by X-ray images and deep learning represents the forefront of advanced techniques and development trends in flaw detection and automated evaluation of light alloy ca...
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Article
Effect of isothermal martensite and bainite transformation on microstructure and properties in a medium-carbon high-strength Q&P steel
The effect of the amount of isothermal martensite and bainite on the microstructure and properties in a medium-carbon quenching and partitioning (Q&P) steel was investigated by designing the different Q&P trea...
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Article
Viscosity and structure of CaO–BaO–SiO2–Al2O3-based mold slags for continuous casting of high titanium steel with different TiO2 absorption
The effect of TiO2 absorption into two different CaO–BaO–SiO2–Al2O3-based mold slags from the steel plant on the viscosity, melting performance and microstructure of slags was investigated through the measurement...
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Article
Optimal proportioning of iron ore in sintering process based on improved multi-objective beluga whale optimisation algorithm
Proportioning is an important part of sintering, as it affects the cost of sintering and the quality of sintered ore. To address the problems posed by the complex raw material information and numerous constrai...
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Article
Fabricating functionally graded Fe–Cr–Co permanent magnetic alloys via laser powder bed fusion
Laser powder bed fusion (LPBF) in-situ alloying technology offers the possibility to construct gradient materials with varied structures and properties. Functionally graded Fe–Cr–Co permanent magnetic alloys w...
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Article
Oxidation behavior of 4774DD1 Ni-based single-crystal superalloy at 980 °C in air
The oxidation behavior of a novel Ni-based single-crystal 4774DD1 superalloy for industrial gas turbine applications was investigated by the isothermal oxidation at 980 °C and discontinuous oxidation weight ga...
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Article
Mechanism of high-energy pulsed current-assisted rolling of 08AL carbon steel ultra-thin strip
To improve the plastic deformation performance of a 08AL carbon steel ultra-thin strip, a pulsed electric field was integrated into the plastic processing of the ultra-thin strip, and the effects of high-energ...
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Article
Thermal and pressure performance of heat collection tube group in backfill body added with phase change material
Combined with the backfill mining, the heat collection tube group (HCTG) in the backfill body can extract geothermal energy, which can effectively alleviate heat damage caused by high ground temperature. This ...
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Article
Roof control mechanism and partition compensation support technology of gob-side entry formed by N00 mining method in thin coal seam
To achieve scientific and accurate support for the roadway roof in the N00 mining method for thin coal seams, the roof-cutting self-forming roadway is divided into two stages: the advanced chamber stage (Stage...
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Article
Optimization of the microstructure, mechanical properties, and wear resistance of nacre-inspired TiB2/Al-Cu composites via gelatin addition
Nacre-inspired TiB2/Al-Cu composites were prepared by freeze casting and squeeze casting. This study focused on the effect of gelatin content on microstructure, mechanical characteristics, and wear resistance of ...
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Article
Numerical investigation on thermomechanical behavior of alumina–calcium hexaluminate refractories for purging plug
Alumina–spinel refractories used in slit-type purging plugs are susceptible to cross-sectional damage, resulting in a serious mismatch between their service life and that of ladle. Alumina–calcium hexaluminate...
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Article
Solidification crack characteristics and sensitivity of peritectic steel
The characteristics and sensitivity of solidification cracks in peritectic steels were investigated using directional solidification technology. Interdendritic cracks were observed in both hypoperitectic steel...
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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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A review of use of metallurgical slag for its carbonation products: processes, crystallization behavior, and application status
In response to the pressing global issue of reducing carbon emissions and the crucial technical challenges of fully utilizing steel slag, researchers have been studying an accelerated carbonation process that ...
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Article
Stiffness theory of rockburst: Research progress and trends
The stiffness theory of rockburst plays a crucial role in understanding and preventing rockburst events. This theory evaluates the severity of rockbursts through the difference in stiffness. As a fundamental t...
