Abstract: The cyclic metallurgy process refers to a metallurgical process that can economically and efficiently extract valuable metals and realize the recycling of the chemical raw materials and water used in the process,and can reduce or avoid the generation of waste water,waste gas and waste residue.With t...
Abstract: Vanadium and chromium are hard to be leached out directly from the high chromium vanadium slag since they co-exist in spinel in the slag.CaF2 and MnO2 were applied to intensify the leaching process of vanadium and chromium from high chromium vanadium slag.The dosage of CaF2,the dosage of MnO2 and re...
Abstract: Titanium tetrachloride was used as raw material to prepare hydrated titanium dioxide by alkali neutralization method,and then anatase nano-TiO2 and rutile nano-TiO2 were prepared by heat treatment at different temperatures.The effects of heat treatment on the crystal structure,specific surface area,...
Abstract: In this work,spectrophotometry was used to characterize the grey point of hydrolysis during titanium dioxide preparation via sulphate process.Employing the self-developed on-line grey point determination instrument,the effects of scanning wavelength at a certain range and dilution ratio on the trans...
Abstract: The oxidation reaction is the key process of titanium dioxide preparation by chlorination process,while scarring is a bottleneck restricting long-term operation of oxidation reactor.Therefore,grasping the crux of scar formation is the foundation and key to extend the operation period of oxidation re...
Abstract: Vanadium production of China ranks the first in the world,and the market prospect will be more optimistic due to the rising price of vanadium in recent years,which will be expected to greatly promote the development for the industry of vanadium extraction from stone coal.As a kind of advantageous va...
Abstract: The theory and experiment results for vacuum magnetic levitation refining of titanium aluminum alloy（TiAl alloy） indicate that increasing the vacuum degree and heating current can help to decrease the oxygen content in the alloy,while it suffers from Al volatilization with a drastic process which is...
Abstract: In this paper,lithium titanate anode materials were prepared by high temperature solid state synthesis.The phase and morphology of the obtained lithium titanate were characterized by X-ray diffraction（XRD） and scanning electron microscopy（SEM）,respectively.Three different electrode formulations were...
Abstract: According to the problem of high viscosity with high concentration of zinc salt initial titanium dioxide slurry,factors such as the amount of salt treatment agent,the S content of the initial titanium dioxide,surfactant,slurry temperature and pH were systematically studied.The results show that with...
Abstract: High strain rate forging tests for AZ80 Ti titanium-containing mechanical shell magnesium alloy specimens were carried out,and the microstructure and mechanical properties were compared and analyzed.The results show that the content of titanium,forging temperature and strain rate have important effe...
Abstract: Electron beam welding is more suitable for titanium alloy than traditional methods,but the corrosion behaviors of the welded joints have been rarely reported for electron beam welding,which restricts its development and applications.In this paper,the microstructure of welded joints was analyzed by m...
Abstract: Ti-Al based alloys were prepared for the first time by aluminothermic reduction-remelting method using scrap selective catalytic reduction（SCR） catalyst as raw material.The effects of Cr on the microstructure,phase compositions and properties of the alloys were also studied by adding different conte...
Abstract: The thermodynamic software Factsage 7.1 was used to calculate the effects of reduction temperature and aluminum amount of the TiO2-CaO-CaF2-Na2O-SiO2 slag system during the direct alloying process of the abandoned denitration catalyst.When the reduction temperature reaches 1 550 ℃,titanium in the st...
Abstract: The annual output of Baima crude residue is 1.3 million tons,with average 3.09% of TiO2 content.At present,the residue is directly discharged into tailing pond,resulting in waste of titanium resources.In order to recover ilmenite from the residue,the combined processes of pre-discarding the tailings...
Abstract: Strong magnetic separation-flotation becomes the best separation circuit for vanadium-titanium magnetite.The feeding of titanium flotation is the tailing of iron separation.The titanium flotation process is featured by high input TiO2 content,high solid content（50%～65%）,high specific gravity of ore ...
Abstract: In order to restrain the agglomeration and loss of flow of iron ore powder in fluidized reduction process,the method of bituminous coal coated magnetite powder was adopted.The reduction behavior of bituminous coal coated magnetite powder was studied the morphology based on ore powder during reductio...
Abstract: The fatigue life of bearing steel is closely related to the total oxygen content in the steel.Aimming at the control of T[O]in the bearing steel during refining process,a calculation model of optimal basicity for the refining slag CaO-SiO2-MgO-Al2O3-FeO at 1 853 K is established,based on the ion and...
Abstract: The adsorption of impurities in molten steel under deoxidation conditions of aluminum and titanium was studied by thermal experiments.The experimental results show that the magnesia-calcium adsorption rod has strong adsorption capacity for inclusions in different deoxidation steels from the three as...
Abstract: Based on CLYNE-Kurz model,segregation model of grain-oriented silicon steel during solidification of continuous casting was established,segregation of Mn and S elements in liquid phase during solidification of continuous casting was calculated,and the relationship between actual concentration produc...
Abstract: Comparison experiments were carried out to find out the effects of M-EMS stirring intensity on the homogeneity of rail steel.The results show that homogeneity of bloom which produced without stirring is the best,the range value of carbon segregation degree is 0.13～0.20,the mean square deviation of c...
Abstract: Based on the measured vibration curve data of continuous casting mould,the motion characteristics of two sides of crystallizer were analyzed,and the vibration process of the crystallizer was simulated by finite element method using Ansys software,and the stress distribution of the slab was obtained....
Abstract: As one of major burdens of blast furnace,the metallurgical performance of high basicity iron ore sinter is highly related to the ironmaking process in blast furnace..In this study,the effect of Al2O3 on the composition and microstructures of crystal products of CaO-Fe2O3 melt was investigated by cha...
Abstract: A coupled dynamic model is established to simulate the dynamic characteristic of vanadium extraction process in combined blown converter.The model consists of oxygen transfer model and slag-metal interfacial reaction model.The model canbe used to simulate the kinetic characteristics of hot metal con...
Abstract: The target-oriented researches on the Vanadium-containing weathering steels were conducted in this paper.Methods such as thermal simulation test,precipitate phase quantitative analysis,tensile test and so on were used to investigate the vanadium precipitation behavior and aging properties of higher ...
Abstract: Based on the basic principles of thermodynamics and the theory of mismatch degree, the formation process of MG-Al Spinel in Gr 45 steel is calculated and analyzed.When the temperature is below liquid line,given certain oxygen activityAlO form prior to MgO.At a given elemental content,Magnesia-alumin...
Abstract: In this paper,Dynaform was used to simulate the hole expanding test,and the influence of changingfriction coefficient of the plate surface on hole expansion behavior was studied. When the friction coefficient between plate and die increases,hole expansion ratio decreases,and finally cracks in the wa...
Abstract: By adopting suitablefinishing,roller coating and drying process,and combining the film-forming mechanism of passivation solution and feature of steel plate,we developed galvanized fingerprint resistant steel sheet for high-end home appliances which meet the corrosion resistance,high temperature resi...
Abstract: The experiment was conducted to improve the properties of the high magnetic induction 50 WG470 grade electrical steel by using the chemical composition design of elevating Si content and reducing Mn content based on the original composition 1.4%Si-0.3%Al-0.8%Mn.The composition of the experimental st...
