50 Result(s)
within
English
Applied and Technical Physics
Manufacturing, Machines, Tools, Processes
De-** Wang
Engineering
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Article
Magnetic properties of nanocrystalline powder cores fabricated by mechanically crushed powders
Fe73.5Cu1Nb3Si15.5B7 nanocrystalline powder cores with different particle sizes ranging from 10 to 125 µm were fabricated by cold-pressing techniques. The cores exhibited increased core loss Pcv and decreased ini...
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Article
Nickel release rate of several nickel-containing stainless steels for jewelries
Nickel-containing stainless steels have been widely applied in watch and jewelry production, and their responses to the Nickel Directive become a universal concern in the industry. The nickel release rates and...
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Article
Influence of Mechanical Activation on Acid Leaching Dephosphorization of High-phosphorus Iron Ore Concentrates
High pressure roll grinding (HPRG) and ball milling were compared to investigate the influence of mechanical activation on the acid leaching dephosphorization of a high-phosphorus iron ore concentrate, which w...
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Article
Wear Mechanism of Iron-based Alloy Coating by Arc Spraying
The arc spraying technique was adopted to prepare three types of iron-based coatings including 08Mn2Si, 4Cr13, and 65Mn. Meanwhile, the metallurgical microscope and scanning electron microscope (SEM) were used...
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Article
Chromium Recycling from Argon-oxygen Decarburization Dust in Hot Metal Pre-dephosphorization Process
The chromium recycling from the stainless steel dust of an argon-oxygen decarburization (AOD) furnace during a hot metal pretreatment process was investigated. Experiments at different temperatures or with dif...
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Article
Deformation Behavior of Ti-5.6A1-4.8Sn-2.0Zr-1.0Mo-0.35Si-0-85Nd Alloy in β/Quasi-β Forging Process
The hot deformation behavior of Ti-5.6A1-4.8Sn-2.0Zr-1.0Mo-0.35Si-0.85Nd alloy in β/quasi-β forging process was studied using isothermal compression tests over temperature range from 1040 °C to 1100 °C and str...
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Article
Microstructure and texture evolution during recrystallization of low-carbon steel sheets
Aluminum killed low-carbon steel sheets were cold rolled at different reduction ratios and annealed using different temperatures and holding time. The Vickers hardness was examined. The results show that when ...
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Article
Effect of vacuum level on microstructure and mechanical properties of titanium–steel vacuum roll clad plates
Vacuum roll cladding (VRC) was used to bond pure titanium (Ti) plate to a plain low carbon steel (Q345) with the aim of obtaining a high-quality Ti–steel clad plate. The effect of interfacial compound on the m...
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Article
Insights on pretreatment of Indian hematite fines in grate–kiln pelletizing process: the choice of grinding processes
Indian hematite fines are normally characterized by high iron grade and minor impurities, which are usually used for sinter fines. With macroscale operations technology of blast furnace in Indian, pellets, as ...
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Article
Aluminum, titanium and oxygen control during electroslag remelting of stainless steel based on thermodynamic analysis
Experimental investigation and thermodynamic calculation were carried out to study the effect of slag on alloying elements during electroslag remelting with develo** a thermodynamic model to control titanium...
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Article
A comparison study on viscosity and heat transfer property of fluorine-bearing and fluorine-free mold flux for casting silicon steel
A comparison study was conducted on viscosity and heat transfer property of the traditional fluorine-bearing (F-bearing) mold flux and the newly designed fluorine-free (F-free) mold flux for casting silicon st...
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Article
Effect of CaO/Al2O3 ratio on viscosity and structure of CaO–Al2O3-based fluoride-free mould fluxes
The effects of CaO/Al2O3 ratio on viscosity and structure of the CaO-Al2O3-based fluoride-free mould fluxes were investigated with the CaO/Al2O3 ratio varied from 1 to 4 and the content of SiO2 fixed at 7 wt.%. T...
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Article
Experimental study and industrial demonstration on utilization of Fe, Ti and V from vanadium-bearing titanomagnetite ore sands
In order to achieve highly efficient utilization of three valuable elements Fe, Ti and V simultaneously from vanadium-bearing titanomagnetite ore sands, an improved carbothermic reduction method was proposed a...
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Article
Two-dimensional comprehensive mathematical model for electroslag remelting process with pipe electrode
Taking the electroslag remelting with pipe electrode (ESR-PE) and electroslag remelting with solid electrode (ESR-SE) as the research objects, a two-dimensional steady-state mathematical model of coupled elect...
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Article
Effect of trace Si on MgO·Al2O3 inclusion in ultra-low-carbon steel
There are four types of Mg–Al–Si–O inclusions observed in the Mg-treated Al-deoxidized ultra-low-carbon steel containing trace Si, including SiO2, 2MgO·SiO2, 3Al2O3·2SiO2, and 2MgO·2Al2O3·5SiO2 and their composit...
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Article
Physicochemical properties of coconut husk activated carbon modified by Fe(NO3)3 and Mn(NO3)2
Fe-loaded activated carbon (AC) has high surface acidity and more active sites, while manganese-loaded AC has high oxygen content. Coconut husk AC modified by Fe–Mn was studied with the aim of revealing the mo...
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Article
Interface characteristics between TiN and matrix and their effect on solidification structure
Heterogeneous nucleation is an effective way to promote the dispersion and precipitation of second-phase particles in steel and refine the grain size of the solidification structure. Not only refining as-cast ...
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Article
Evolution of microstructures and mechanical properties with tempering temperature of a pearlitic quenched and tempered steel
Instead of conventional quenching and tempering, fast austenitization from an initial microstructure of lamellar pearlite followed by quenching and tempering was carried out, leading to the formation of inhomo...
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Article
A high-efficiency separation process of Fe and Zn from zinc-bearing dust by direct reduction
It is urgent to dispose of zinc-bearing dust from steel plants, and direct reduction process is an effective method to remove hazardous metals and recycle iron from the dust. The reduction behavior of carbon-c...
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Article
Achieving efficient utilization of limonitic nickel laterite and CO2 emission reduction through multi-force field sintering process
Strengthening limonitic nickel laterite sintering and reducing CO2 emission were performed by the application of multi-force fields including external thermodynamic and pressure fields. Sinter pot tests of limoni...
