Abstract: Used as an additive for the negative electrolyte of vanadium battery,the effects of Na2MoO4 on electrochemical performances and stability of the electrolyte,and properties of the battery were studied. The results indicate that electrochemical activity of the negative electrolyte and diffusion coeffi...
Abstract: Aiming at the problems of high power consumption and low production capacity of titanium slag produced by direct use of titanium concentrate in smelting titanium slag.A new process for preparing metallized pellets from Panzhihua titanium concentrate,"internal carbon containing titanium concentrate p...
Abstract: Using the alkaline V-Cr solution obtained from sodium roasting of V-Cr slag as raw material,the contents of main elements like V and Cr,impurities such as Si and P in the solution were analyzed.The removal mechanisms of Si and P using aluminum salt in alkaline solution were discussed.The effects of ...
Abstract: The influence of particle size ranging from 210 to 260 nm on the pigment properties and hiding power of rutile titanium dioxide was studied.Scanning electronic microscopy(SEM) was utilized to characterize the particle size and morphology of titanium dioxide. The experimental results show that the ti...
Abstract: Using low concentration of industrial titanyl sulfate solution as raw material,metatitanic acid was prepared via the self-seeded thermal hydrolysis sulfate process.The effects of pre-adding water on structure of metatitanic acid were investigated.The as-prepared samples were characterized by pigment...
Abstract: Magnéli phase is a series of titanium sub-oxides with the general formula of TinO2n-1(4≤n≤10),which have excellent conductivity and great significance for battery research.At present,the main method for preparing Magnéli phase titanium oxides is high temperature reduction of TiO2 or its precursors.S...
Abstract: Nano-TiO2 layer was prepared by in-situ growth on pure titanium matrix via anodic oxidation method,then the bioactive glass coating(BGC) was clad on the nano-TiO2 layer through sol-gel method.Employing SEM,XRD,scratch test and human body fluid simulation test,the morphology and phase,biological acti...
Abstract: Using antibacterial silver as the alloying element and ammonium bicarbonate as the pore-forming agent respectively,porous titanium-silver alloys(Ti-Ag alloys) with different silver contents were prepared by powder metallurgy method.The effects of silver content on microstructure and mechanical prope...
Abstract: To further promote the photocatalytic performance of g-C3N4,TiO2 quantum dots were loaded on g-C3N4 by a pore impregnating method.The results show that the TiO2 quantum dots modification significantly influences the XRD patterns,surface parameters,particle size distribution and the visible light ads...
Abstract: TiNi hydrogen storage electrode alloy was prepared respectively by four methods to improve its properties,and the cycling stability and electrochemical corrosion resistance of the alloys obtained were tested and analyzed.The results show that compared with the conventional induction melting,the vacu...
Abstract: The microstructure,wear and corrosion resistance of magnesium alloy shell with different vanadium content were tested and analyzed.The results show that with increasing vanadium content from 0 to 0.7% of the sample,the grains are refined,and the wear volume decreases firstly and then increases.Meanw...
Abstract: The microstructure,mechanical properties and wear resistance of automotive titanium alloy at different friction stir processing parameters were studied.The results show that compared with those of titanium alloy before friction stir processing,the crystalline grains of the automobile titanium alloy ...
Abstract: In this paper,the method of gravity separation by spiral chute was used to separate the anosovite phase from titanium-bearing slag,thereby realizing the selective separation of titanium components and laying the foundation for comprehensive utilization of the titanium resources.The titanium-bearing ...
Abstract: Using Ti-bearing blast furnace slag as the adsorbent for total phosphorus removal from waste water,the performances and mechanisms for total phosphorus adsorption of the slag were studied by combination of the kinetics equation and isothermal adsorption equation. The results show that the adsorption...
Abstract: With polycyclic aromatic hydrocarbons(PAHs) in coking wastewater as research object,activated carbon,steel slag and silicon carbide as absorbing media,PAHs in the coking wastewater was qualitatively and quantificationally analyzed by ultrasonic extraction and high performance liquid chromatography.T...
Abstract: In order to analyze the effect of MnO on viscosity of slags under the conditions of titanium ore retaining furnace and manganese ore washing furnace,the low magnesium titaniferous slags had been used as basic slag system.The relationship between MnO content and slags viscosity,melting temperature,ac...
Abstract: The study of gas-solid reactions is performed in order to investigate the impact of weak oxidizing atmosphere Ar-H2O-H2 on the 1 mm thick 4. 25% C iron-carbon alloy sheet. A serious of orthogonal experiments have been performed to investigate the influence of bath temperature,initial H2 content and ...
Abstract: To investigate the pore structure of the fluxed pellets and the effect of basicity on the properties of the fluxed pellets,based on the mercury theory intrusion and the fractal theory,the multifractal spectrum fitting curve of the pore size distribution of the pellets was obtained by numerical simul...
Abstract: Based on a vanadium extraction converter,the semi-steel secondary dephosphorization process had been investigated,in order to improve the dephosphorization process without affecting the production schedule,thus reducing the dephosphorization pressure of the converter and decreasing the phosphorus co...
Abstract: Based on the ion and molecule coexistence theory,the calculating model of action concentration for CaO-MgO-FeO-SiO2-P2O5 slag was established. Based on this,the influence of slag compositions on the Gibbs free energy of decarburization and dephosphorization was analyzed,the feasibility of dephosphor...
Abstract: Q195 steel is mainly used for strip production.In order to reduce the cost,the LF refining process is removed on the basis of the original process 80 t converter→argon blowing→LF→continuous casting.In order to ensure the slab quality does not affect the product performance,the composition and source...
Abstract: This study on the evolution behavior of the the Non-metallic inclusion in the steel was conducted systematically by the means of the oxygen and nitrogen analysis,microscopic inclusion statistics and SEMEDS energy spectrum.The CaS-CaO-Al2O3 tenary phase diagram in 1 600 ℃ was calculated and plotted b...
Abstract: To investigate effects of inclusions modification in steel,the morphology and composition distribution of inclusions in liquid steel from tundish,and composition changes of molten steel in the production of oil casing steel by BOF→LF→RH→CC flow of three different calcium treatment routes were observ...
Abstract: The high strength weathering steel Q450 NQR1 contaning vanadium was developed through TMCP process. Laboratory test results indicate that the microstructure of plate is ferrite-pearlite and grain size rating is ASTM No. 12,the yield strength,tensile strength,yielding-to-tensile ratio and specific el...
Abstract: In this paper,influence of cooling rate and austenite grain on intragranular ferrite in non quenched and tempered medium carbon steel had been investigated by using high temperature quenching and high temperature phase change machine confocal microscope.Furthermore,the nucleation and growth of intra...
Abstract: The effect of finishing rolling temperature on the microstructure and mechanical properties of Si-Mn-Nb hot-rolled dual-phase steel were investigated by using TEM,SEM technology and optical microscopy.The results showed that with finishing rolling temperature decreasing,the size of ferrite grains de...
Abstract: The effects of rolling temperature on microstructure transformation and mechanical properties of medium carbon martensitic steel were investigated by means of SEM,EBSD and tensile tests. The results show that when sample are subject to 80% deformation,with the rolling temperature increased from 500 ...
Abstract: The center segregation and banded structure of the tested steels with three different carbon contents were investigated by original position analyzer for metal,direct reading spectrometer,optical microscope and electron probe microanalyzer. The results showed that the center segregation in the slab ...
Abstract: Aiming at the defect inspection alarming of U75 V60 kg/m rail in small radius curve section of heavy-haul railway,the tests of macroscopic appearance,non-metallic inclusion grade,macrostructure and microstructure examination of the alarmed rail were carried out and the results were analyzed. The ana...
Abstract: The surface morphology,section morphology,thickness and microstructure of oxide scale on the surface of U75 V hot rolled rail were observed by optical microscope,scanning electron microscope and energy spectrum.The causes for the difference of thickness and morphology of oxide scale on rail and stri...