88 Result(s)
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Article
A novel route to enhance high-temperature mechanical property and thermal shock resistance of low-carbon MgO–C bricks by introducing ZrSiO4
Conventional MgO–C bricks (graphite content > 14 wt.%) produce a great deal of greenhouse gas emission, while low-carbon MgO–C bricks have serious thermal shock resistance during high-temperature service. To e...
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Article
Role of texture before rolling: a research based on texture and magnetic properties of 4.5 wt.% Si non-oriented electrical steel
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-orien...
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Article
Mechanical performance of 22SiMn2TiB steel welded with low-transformation-temperature filler wire and stainless steel filler wire
TX-80 low-transformation-temperature (LTT) welding wire was used to replace the traditional ER 307Si welding wire to realize the connection of 22SiMn2TiB armor steel in manual overlay welding. The previously e...
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Article
Variation of humic carbon and microbial communities in bauxite residue following co-application of straw and phosphogypsum
Humification is one of the critical processes in the ecological restoration of bauxite residue deposit areas. Straw addition is widely used strategy to increase organic carbon in bauxite residue. However, the ...
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Article
An experimental study on effects of temperature gradient on microstructure of a 308L stainless steel manufactured by directed energy deposition
The effect of spatial temperature gradient on the microstructural evolution of a 308L stainless steel during the directed energy deposition (DED) process was experimentally investigated. A novel cooling system...
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Article
Mechanoluminescence of metal complexes: Progress and applications
Mechanoluminescence (ML) is a light emission phenomenon caused by mechanical force on a substance. Recently, metal complexes mechanoluminescence materials are attracting widespread attention owing to their dis...
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Article
Effect of oxygen enrichment on sintering behavior of high proportion vanadium–titanium magnesite concentrates
To achieve high-efficiency utilization of complex and unmanageable iron-containing minerals, the effects of oxygen enrichment on productivity, yield, flame front speed, exhaust gas peak temperature, and desulp...
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Article
Novel insights into the mechanism of lime method based on calcium dioleate and mineral surface transformation
The lime method is one of the most common flotation processes, which can achieve flotation separation of scheelite, fluorite and calcite. The large amount of calcium ions released by lime easily formed calcium...
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Article
Flow characteristics of an air chamber in a rail tunnel
In this paper, the flow characteristics of an air chamber inside a tunnel when subjected to train-nose-entry wavefronts were analyzed using numerical simulation. The results demonstrate that there exists a spe...
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Article
Localized corrosion process of Al-Zn-Mg-Cu-Zr alloy: Transitions from pitting corrosion to intergranular corrosion
The localized corrosion mode and process dependence on ageing conditions for Al-7.82Zn-1.99Mg-2.41Cu-0.12Zr alloy were investigated. Intergranular corrosion (IGC) is the dominant corrosion mode for UA temper a...
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Article
Experimental and CFD simulation study on interphase interaction of the fluidization behavior for spherical and irregular coarse particles
Currently, fluidization techniques have been widely applied to separate and recover coarse particles (>74 μm) in mineral processing. Studies show that the main parameters affecting this regard are hydrodynamic...
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Article
Thermodynamics of (Ca(OH)2-)NaOH-Na2WO4-H2O and (Ca(OH)2-)NaOH-Na3PO4-H2O systems and their application
The caustic soda autoclaving process for digesting scheelite (CaWO4) is a unique and widely used tungsten (W) metallurgy technology in China. However, some experimental phenomena still need a proper theoretical e...
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Article
Intensive carbon combustion in sintering packed bed via steam spraying: An experimental study on carbon monoxide emission reduction
Improving the combustion efficiency of solid fuels is important for reducing carbon monoxide emissions in the iron ore sintering process. In this paper, the surface steam spraying technology is introduced in t...
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Article
Effect of wide-spectrum pulsed magnetic field on grain refinement of pure aluminium
A wide-spectrum pulsed magnetic field (WSPMF) was obtained by adjusting the number of current pulses and the pulse interval between adjacent pulses. The effect of WSPMF on the grain refinement of pure aluminiu...
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Article
Spatiotemporal evolution of high-aspect-ratio filamentary trace in sapphire of picosecond pulse burst-mode for laser lift-off
The influence of the picosecond (ps) pulsed burst with a nanosecond scale of temporal separation (50 ns) on filamentary traces in sapphire substrate is investigated. The spatiotemporal evolution of the filamen...
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Article
Review on niobium application in microalloyed steel
With the rapid development of high-strength low-alloy (HSLA) steel, Nb as an important microalloying element has received more and more attention in recent years. The application and behavior of Nb in HSLA ste...
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Article
Mechanical properties and microscopic failure process of exemplary argillaceous interlayer from east China
The landslide disaster caused by the argillaceous interlayer not only destroys buildings, cultivated land, and roads but also seriously endangers human life and safety. This study concerns the mineral composit...
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Article
Application of response surface methodology in optimization of bioleaching parameters for high-magnesium nickel sulfide ore
The response surface methodology (RSM) was used to optimize the operating parameters during the bioleaching of **chuan high-magnesium nickel sulfide ore. The particle size, acid addition, pulp density and ino...
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Article
Three-dimensional displacement characteristics of adjacent pile induced by shield tunneling under influence of multiple factors
Shield tunneling inevitably passes through a large number of pile foundations in urban areas. Thus, an accurate assessment of tunneling-induced pile displacement and potential damage becomes a critical part of...
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Article
Determination of real-time oxygen transfer rate based on an electrochemical method
The interfacial oxygen transfer rate is one of the main factors to control the composition of alloys. The commonly employed method of studying the interfacial oxygen transfer rate is the chemical composition a...
