294 Result(s)
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Article
Design parameter optimization method for a prestressed steel structure driven by multi-factor coupling
To achieve efficient structural design, it is crucial to reduce the cost of materials while ensuring structural safety. This study proposes an optimization method for design parameters (DPs) in a prestressed s...
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Article
Assessing the effect of layered spatial variability on soil behavior via DEM simulation
Motivated by the spatial variability observed in geological profiles, this study explored the feasibility of using discrete element method (DEM) to capture the effect of layered spatial variability into overal...
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Article
Quantitative characterization of reaction behavior between La-bearing FeCrAl melt and CaO–Al2O3–La2O3-based slags and its guidance for design of mold flux
The reaction behavior between CaO–Al2O3–La2O3-based slags and La-bearing FeCrAl melt was quantitatively characterized, which was further compared with the reaction behavior of CaO–SiO2-based slags. Based on this,...
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Article
Wettability and corrosion behavior between alkaline slag from sodium smelting of vanadium–titanium magnetite and refractory substrates
The sodium smelting of vanadium–titanium magnetite can achieve the comprehensive utilization of Fe, V, and Ti. However, the generation of alkaline slag during this process may cause damage to refractory materi...
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Article
Effects of Mg–Ca treatment and Ca treatment on impact toughness and morphology of sulfides in 45MnVS non-quenched and tempered steel
An industrial experiment was conducted at a certain steel plant in China to compare and analyze the effects of Ca treatment and Mg–Ca treatment on inclusions in 45MnVS non-quenched and tempered steel. Through ...
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Article
Microstructure and microtexture evolution characteristics of a powder metallurgy Ni-based superalloy during static recrystallization
Static recrystallization (SRX) characteristics of a powder metallurgy superalloy were investigated by isothermal compression at 1080–1170 °C under strain rates of 0.01–0.1 s−1, strains of 0.1, 0.22, or 0.5, and h...
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Article
Performance evaluation of underground pipelines subjected to landslide thrust with fiber optic strain sensing nerves
High-accuracy deformation monitoring is crucial for investigating landslide–pipeline interaction problems, in which the fiber optic nerve system (FONS) holds enormous potential. This paper presents a theoretic...
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Article
Highly efficient modified phosphogypsum building gypsum powder and environmentally friendly utilisation in self-levelling mortar
The stockpiling of phosphogypsum is a waste of land resources and also causes serious pollution to natural resources such as water and atmosphere. This paper explores the mechanism of efficiently modified phos...
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Article
Open AccessEntire mechanical analysis of prestressed CFRP strengthened RC beams under different prestressed introduced methods
In order to clarify the effect of mechanical tensioning and SMA wire heating recovery on introducing prestress into CFRP sheet strengthened reinforced concrete (RC) beams, an experimental research on the bendi...
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Article
Numerical simulation of liquid sloshing in a spherical tank by MPS method
This paper investigates the sloshing phenomena in a spherical liquid tank using the moving particle semi-implicit (MPS) method, a crucial study in fluid dynamics. Distinct from previous research focused on rec...
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Article
Mechanical properties and microstructure of Mg-treated and Ca-treated industrial H13 steel after quenching and tempering
The effect of magnesium treatment and calcium treatment on the microstructure and mechanical properties of industrial H13 steel after quenching and tempering was investigated. The impact toughness and tensile ...
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Article
Effective utilization of dolomitic lead–zinc waste rock by replacing dolomite as flux in iron ore sintering process
With increasingly stringent environmental protection policies, cost-effective and value-added treatment of massive lead–zinc waste rock (LZWR) generated from the preconcentration process has attracted substant...
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Article
Coupling effect of micro-textured tools and cooling conditions on the turning performance of aluminum alloy 6061
Micro-texturing has been widely proven to be an effective technology for achieving sustainable machining. However, the performance of micro-textured tools under different cooling conditions, especially their c...
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Article
Towards Salomon’s hypothesis via ultra-high-speed cutting Ti-6Al-4V alloy
Cutting temperature is a crucial factor in high-speed machining processes. In 1931, Dr. Carl Salomon proposed the fascinating hypothesis that the cutting temperature increases with the cutting speed to a criti...
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Numerical analysis of turbulent fluctuations around an axisymmetric body of revolution based on wall-modeled large eddy simulations
Wall-modeled large eddy simulation (WMLES) is used to investigate turbulent fluctuations around an axisymmetric body of revolution. This study focuses on evaluating the ability of WMLES to predict the fluctuat...
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Phase precipitation and corrosion properties of copper-bearing ferritic stainless steels by annealing process
The effects of different annealing processes on the phase precipitation behavior and corrosion properties of copper-bearing 430 ferritic stainless steel were systematically investigated. The shape, quantity an...
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Article
Nonlinear dynamic modeling and global instability analyses of planetary gear trains considering multi-state engagement and tooth-contact temperature effects
Gear disengaging, back-side tooth contact or poor dynamic behavior during operating leads to dynamic instability in planetary gear trains (PGTs). A novel nonlinear dynamic model of PGTs with internal and exter...
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Article
Chemical patterning enhanced by increasing quenching temperature in a medium-Mn steel
Chemical heterogeneity in high-temperature austenite is an effective way to tune the austenite-to-martensite transformation during cooling. The effect of quenching temperature on microstructure evolution is in...
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Article
CFD simulations targeting the performance of the NTNU BT1 wind turbine using overset grids
In the present study, the performance of the NTNU Blind Test 1 wind turbine is analyzed in the computational fluid dynamics (CFD) simulations by using the CFD code FANS with structured overset grids. First, th...
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Article
A CNC-Machined WR-2.2 Band Orthogonal Mode Transducer for a Radiometer
This paper presents a WR-2.2 band waveguide orthogonal mode transducer (OMT) for an ice cloud remote sensing radiometer. A holistic approach is proposed to the design and manufacturing. Given the difficulties ...