Abstract: The flotation of ilmenite in the onkilonite of vanadium-titanium magnetite using MOH as the collector was investigated.The effects of dosage of MOH,H2SO4 and sodium silicate on separation of ilmenite and gangue minerals were studied.The open and closed circuit experiments for ilmenite flotation were...
Abstract: Synthetic rutile as a good substitute for natural rutile is greatly used for production of titanium dioxide by chlorination process and sponge titanium.According to the physical and chemical properties of Yunnan titanium concentrate,pre-oxidation and hydrochloric acid leaching method was used to pre...
Abstract: Roasting of vanadium slag pellets containing sodium carbonate were investigated in this paper.This technology can avoid sintering of raw materials during roasting without addition of residual slag of vanadium extraction,and substantially increases calcination efficiency of vanadium slag coupled with...
Abstract: The "dispersing and grinding"combined process was studied for dispersing TiO2.The dispersity of TiO2 particles was characterized as viscosity and particle size.The particle size and morphology of TiO2 before and after dispersing were observed using TEM.Effects of the dispersing agents and their addi...
Abstract: According to the higher arsenic content in the leaching solution of roasted vanadium slag produced in steel making with vanadium titanium magnetite from Hongge south mining area,ferric salt was used for arsenic removal to prepare high purity V2O5.The effects of initial pH,reaction temperature and ti...
Abstract: According to the lower leaching rate of vanadium-containing clinker by calcified roasting in industrial production,effects of the clinker particle size,magnetic materials content and temperature on the leaching rate of vanadium were investigated.The results show that the decrease in leaching rate is...
Abstract: Front end bending is a common phenomenon in the hot rolling process of plate and strip.Aiming at this problem,in this work,the finite element method was used to study the metal flow of the rolling deformation zone for hot rolling pure titanium coil.The results show that the metal flow of pure titani...
Abstract: The microstructures and mechanical properties of cold rolled commercial pure titanium after second annealing was studied.The results show that:the second annealing has no effect on grain size of the factory state pure titanium belt,but it plays an important role in improving the commercial pure tita...
Abstract: The new-typed TiNi-based shape memory alloy TiNi45V8In0.2 for micro electro mechanical system was successfully prepared by the method of two-step.The alloy was analyzed by XRD,SEM and so on.And the mechanical properties,stress relaxation resistance and corrosion resistance were tested and analyzed.T...
Abstract: Fe-TiC1-xNxcomposites were successfully prepared directly from titanomagnetite concentrate by carbothermal reduction in air atmosphere.The influences of reduction temperature and carbon content on the reaction process and phase evolution during carbothermal reduction of titanomagnetite concentrate w...
Abstract: TiO2 nanotube array(TNA) was prepared by electrochemically anodizing titanium sheet.Metal manganese was deposited on the surface of TNA by electrochemical reduction to enhance its photoelectrochemical response to visible light.The influences of deposition voltage,time and concentration of Mn(II) ion...
Abstract: Terahertz is the last researched band of the electromagnetic waves,which occupies an important position in the field of stealth and anti-stealth research in the future.TiO2,Fe-TiO2 and Ba TiO3 nanoparticles were prepared by sol-gel method,and then they were doped into short carbon fiber/epoxy resin ...
Abstract: Vanadium-titanium composite infiltration coating was produced on the surface of Cr12MoV cold working die steel for different time respectively with V2O5 and TiO2 as vanadium and titanium donor,and the microstructure,phase structure,corrosion and wear resistance were tested and analyzed.The results s...
Abstract: Based on models for heat transfer and solid mechanics of linear elastic materials with consideration of characteristics that the thermal physical properties of the titanium alloy change with temperature,the thermo-mechanical coupling model for friction stir welding(FSW) of high melting point alloy w...
Abstract: A new CaO-Al2O3-SiO2 glass-ceramics were prepared using natural cooling titanium blast furnace slag,and the effects of different systems of nucleating agents on the crystallization,microstructure and properties of the glass-ceramics were also studied by DSC,XRD,SEM,etc.The results indicate that high...
Abstract: The heating self-reduction process of blast furnace(BF) gas slime was studied by non-isothermal thermogravimetric(TG) analysis and isothermal heating in Muffle Furnace.The equilibrium compositions and metallization rate of iron and zinc oxides for BF gas slime in reduction process were calculated by...
Abstract: In order to understand the impact of carbon ratio on metallurgical properties and physical effects of vanadium titanium sinterthe strength,yield and particle size composition and metallurgical properties of resulting vanadium titanium sinter at various carbon ratio of 2.5%,2.75%,3.0%,3.25%,3.0%,3.75...
Abstract: In order to provide a more comprehensive guide to sinter production and to determine the appropriate parameters of low sintering titanium sinter in Xuanhua Steel,the impact of basicity,carbon content,MgO content,SiO2 content,moisture on burden load softening properties had been investigated by RUL t...
Abstract: Experiments were carried out in the lab to simulate dropping zone of blast furnace by a high temperature oven,and the effect of Al2O3 on charge softening temperature range,melting temperature range,maximum pressure and other high temperature physical properties had been investigated.The results show...
Abstract: The low toughness and poor weldability of the higher carbon steel grades restricted their acceptability for line pipe steel,and therefore,created good demand of low carbon micro-alloyed steels for line pipe steel for both onshore and offshore applications.In low carbon micro-alloyed steels,alloy des...
Abstract: The chemical compositions,mechanical properties,microstructure and precipitates of the weldable wire rod ER50-G produced by Shougang were detected and analyzed statistically in this study.The influence of titanium on the microstructure and precipitates of ER50-G and therefore the tensile strength wi...
Abstract: Effect of Ti on austenite grain growth behavior in medium carbon manganese steel at different heating temperature and time were studied.The results show that Ti-bearing steel exhibited a much sluggish growth rate of austenite grain compared with Ti-free counterpart at higher heating temperature,whic...
Abstract: The inclusions in bearing steel continuous casting bloom were observed,and the large size TiN inclusions were found in the bloom.The effects of Ti and N elements segregation at the solidification front on precipitation of TiN inclusion was studied on the basis of thermodynamics and dynamics.The ther...
Abstract: The evolution of non-metallic inclusions in the GCr15 bearing steel during solidification with different content of[Ca],[Al],[O]and[Mg]was investigated by Fact Sage software which is based on minimum Gibbs free energy principle.The results showed that the inclusion types changed from CaO·2MgO·8Al2O3...
Abstract: Different annealing temperature and annealing time were adopted for annealing treatment of M2-1.0Si silicone modified M2 high speed steel.Through the test and analysis of the microstructure and high temperature mechanical properties,it is found that the annealing temperature and annealing time had i...
Abstract: Quality defects such as edge crack,roll,strip edge uplift,oxide scale indentation usually occurred in the strip produced in a 1700 hot strip line.In order to eliminate these defects,the main morphology characteristics and causes were analyzed.A series of measures had been taken through adjustment,op...
Abstract: During continuous casting,the mineralogical structure of flux film and heat transfer of mold flux play important roles in strand quality.In this paper,the thermal conductivity and mineralogical structure of flux film with different F-content were analyzed by the high temperature coefficient of therm...
Abstract: In this paper two hot-rolled steel wire rods for ultra-high strength PC steel wire and strand,i.e.,87A and 90A have been studied by the method of gleeble thermal-mechanical simulation,tensile test,metallographic phase and scanning electron microscopy,the microstructure and mechanical properties of t...
Abstract: In this paper softening-dripping experiment was carried out according to Xuanhua Steel blast furnace structure.Single mine drop test results show that the commonly used two kinds of plant of xuanhua steel sinter have good softening performance but poor drop performance where at 1 520℃ it is still dr...
