Abstract: The rutile TiO2 white pigment was prepared via short sulfate process of diluted thermal hydrolysis with self-generating crystal seeds using unenriched low concentration of industrial titanyl sulfate solution as titanium source. The regression relations and influences of the hydrolysis parameters,inc...
Abstract: Based on the thermodynamic calculation,the process of preparing vanadium nitride by carbon thermal reduction was explored by analyzing the thermogravimetric-differential thermal experiment,and the effect of carbon ratio of raw material and reaction temperature on the phase and composition of the pro...
Abstract: The electrochemical deposition behaviors of titanium ions in titanium extraction by molten salts electrolysis were investigated.Different electrolytes were firstly prepared by adjusting the ratio of TiCl4 to titanium sponge in NaCl-KCl melts then the electrochemical deposition behaviors of titanium ...
Abstract: Transition metals （Cr,Fe,Ni and Zn） doped TiO2 nanoparticles were synthesized by sol-gel method using 2-hydroxyimidazole formate ionic liquid as microstructure control reagent.The prepared samples were calcined at 500 ℃,and then were characterized by BET,XRD and DRS,etc. The photocatalytic propertie...
Abstract: The crude titanium tetrachloride obtained from the titanium recovering process of Pangang blast furnace slag has a high vanadium content （4.9‰）,which cannot be effectively removed by the existing process with aluminum powder. To solve this problem,this paper proposes a pretreatment method by organic...
Abstract: The cooling treatment of titanium slag has an important influence on the subsequent titania pigment production.In this paper,the effect of cooling method for titanium slag,including granulating,water cooling and air cooling,on the compositions,phase and acidolysis performances of titanium slag was i...
Abstract: This article investigated the feasibility of chlorination of titanium oxides to TiCl3 in liquid phase using AlCl3 as chlorinating agent in the molten NaCl-KCl system.Compared with the chlorination results of TiO,Ti2O3 and TiO2 and based on the thermodynamic analysis of reactions of AlCl3 with TiO,Ti...
Abstract: The reaction kinetics of preparation of vanadium-aluminum alloy by thermite method was studied by DSC.Reaction activation energy was obtained by Flynn-Wall-Ozawa equation,and Kissinger equation was used to verify the reliability of the calculated reaction activation energy by Flynn-Wall-Ozawa equati...
Abstract: Based on the TG-DSC analysis for the thermal decomposition of ammonium metavanadate（NH4VO3,AMV for abbreviation） in air,The phases of the final products for the thermal decomposition of AMV in air and the morphologies of the pyrolysis products of AMV at the inflection point temperatures in correspon...
Abstract: The microstructure,oxygen and hydrogen content,nano hardness trend of α-contaminant layer on the surface of Ti-6Al-4V titanium alloy by vacuum smelting（ZTC4 for abbreviation）were investigated,and the effects of α-contaminant layer on the tensile properties of ZTC4 titanium alloy were also analyzed.T...
Abstract: Ti-6Al-4V-0.5In titanium alloy auto parts samples were prepared by discharge plasma sintering at various sintering temperatures and sintering pressures,and the effects of sintering process on the wear resistance and impact property of the samples were studied.The results show that with the increase ...
Abstract: The extruded 5754 aluminum alloy high strength plate specimens for automobile with various contents of alloying elements vanadium and strontium had been used to carry out tensile and thermal fatigue tests.The results show that vanadium and strontium additions could improve the tensile properties and...
Abstract: Through the research of the mineral structure of vanadium-titanium magnetite and the mineral process technology of titanium concentrate in Panxi area,the distribution of the main elements and the state of the impurity elements were concluded by deeply profiling of the titanium concentrate using XRD ...
Abstract: From the view of feasibility study on steel slag as coarse aggregate of concrete,morphology,chemical composition and mineral composition and other characteristics of steel slag had been investigated through the XRF,XRD and SEM microscopic observation. Different coarse aggregates had been prepared wi...
Abstract: Using Panzhihua ilmenite tailings as raw materials and borax as fluxing reagent,the microcrystalline foam glass was prepared successively through melting,water quenching,foaming,microcrystallization and annealing processes.The effects of foaming agent species and amount,foam stabilizer amount,foamin...
Abstract: The cold consolidation pellets were made by bag ash,electric furnace ash,coke powder and cement,and the high temperature self-reduction experiment was carried out on the pellet.Pure cement samples had been used for differential thermal experiments.Finally,the self-reduction experiment was carried ou...
Abstract: The analyzing method directly and simultaneously detecting silicon（Si）,iron（Fe）,molybdenum（Mo）,potassium（K） and sodium（Na） with the content of 0.001%~0.100% in vanadyl oxalate（VOC2O4） using inductively coupled plasma atomic emission spectrometry（ICP-OES） was established.The influences of matrix effe...
Abstract: The effect of vanadium microalloying on the microstructure and properties of a high strength dual phase steel was studied.Compared to the Fe-0.186C-1.5Mn-0.3Si-0.008 N reference alloy it was found that the addition of 0.14 %wt.V resulted in:①A very significant ferrite grain size refinement in the co...
Abstract: In this paper,the development history of titanium microalloyed high strength steel is briefly reviewed. The research and development status of titanium microalloyed high strength steel expounded in detail,more attention is paid to the precipitation behavior of nano-carbide （stain-induced precipitati...
Abstract: In order to make better use of all kinds of iron ores,the effects of TiO2 content on melting behavior of titanium-containing ilmenite powder were studied by the seat drop method. The results showed that the sample shrinkage process was divided into two stages:slow and fast steps.The melting temperat...
Abstract: The difference of performance index between vanadium titanium sinter and ordinary sinter was studied under simulated blast furnace in the laboratory. The experiment result indicates that the softening start temperature of vanadium titanium sinter are higher than that of ordinary sinter; the softenin...
Abstract: Blast furnace slag belongs to multiple sillicate system and can meltat high temperature. The material microstructure determines its macroscopic properties.This paper summarizes the research status of blast furnace slag microstructure,and analyzes their influence on slag fluidity and desulfurization ...
Abstract: The effect of hot metal temperature,hot metal amount,initial sulfur content,end-point sulfur content,etc,on the consumption of Mg powder was analyzed.It is found out that the consumption of magnesium powder increased with elevation of hot metal temperature,and obviously increased with decrease of en...
Abstract: In this paper the transition temperature and viscosity of mould powder with different B2O3,TiO2 and CaF2 had been measured,and the corresponding lnη-1/T curve had been plotted.Viscous flow activation energy had been calculated through fitting method.The effect of CaF2,TiO2 and B2O3 contents on the r...
Abstract: The interaction between inclusion and refractory wall and the stability of inclusion in the continuous casting nozzle had been studied,and the inclusion adhering model had been developed. Analysis results show that when the inclusions are attached to the refractory wall,the inclusions exert positive...
Abstract: Effects of Mn content on microstructure and mechanical properties in Fe-Mn alloys containing various Mn ranging from 3% to 12% （mass%） have been studied by scanning electron microscopy（SEM）,transmission electron microscopy（TEM）,electron back scattered diffraction（EBSD）,tensile and Charpy impact test...
Abstract: In order to investigate the decarburization law of 1.5 mm thick iron-carbon alloy strip,an iron carbon steel strip with initial carbon mass fraction of 3.2% was used and placed into a decarburization furnace under weak oxidizing atmosphere created by Ar-H2-H2O mixed gas and heated. The samples were ...
Abstract: In this paper the surface scale formation of ferrite rolling to Ti-IF steel on hot semi-continuous rolling line had been discussed.Through the SEM and XRD experiment analysis the composition and microstructure of the scale along the steel strip width direction under processes of ferrite rolling had ...
