Abstract: Layered lithium vanadium oxide LiV3O8 was synthesized by solid phase coordination method,and the reaction mechanism was studied by TG-DTA and XRD.The results show that LiV3O8 with a single phase can be obtained at 550 ℃ of heat treatment temperature for 24 h.The initial discharge capacity of the mat...
Abstract: In order to realize the smelting of V-Ti magnetite concentrate at lower temperature,the direct reduction-smelting separation process was studied by coal-based direct reduction technique with NaOH as the alkali fusion agent.Effects of NaOH addition on metallization rate and smelting separation of V-T...
Abstract: High purity TiO2 was prepared via authigenic seed thermal hydrolysis route by using industrial low concentration titanyl sulfate solution as titanium source.The as-prepared metatitanic acid and TiO2 powders were characterized by XRD,particle size distribution,BET analysis and TiO2 content determinat...
Abstract: Using industrial metatitanic acid as raw material,rutile TiO2 was prepared via bleaching,washing,salt treatment and calcination.The effects of heating rate on the crystal structure and pigment properties of titanium dioxide particles were investigated.The samples were characterized by XRD,SEM,laser ...
Abstract: The effects of types and addition amount of slagging agent on the recovery rate of vanadium（V） and qualification rate of products during vanadium aluminum alloy（V-Al alloy） preparation by electro-aluminothermic process were studied.The results show that during the selected agents of calcium vanadate...
Abstract: Using metatitanic acid from titanium white production by sulphate process as the raw material,the aluminum salt and zinc salt were used as salt treatment agents to treat the metatitanic acid,and initial product of titanium white was obtained after calcination.The difference of viscosity and zeta pot...
Abstract: In this paper,the mechanical properties and microstructure of TC4 titanium alloy,prepared by selective laser melting（SLM）,at room temperature（RT） to 550 ℃ were studied by universal tensile testing machine,optical microscopy,scanning electron microscopy,and transmission electron microscopy.The result...
Abstract: Ti-ZrO2 bilayered composite was synthesized by vacuum hot pressing sintering under 1 200 ℃ and 10 MPa through interfacial doping of graphene.The interfacial bonding was characterized by tensile strength.The interfacial phase compositions and element distributions were analyzed by X-ray diffraction（X...
Abstract: Ti（C,N）-based cermets were prepared by powder metallurgy using TiC,TiN,Mo2C,WC,Co and Ni as raw materials.The effects of Mo2C/（WC+Mo2C） ratio on the microstructure and mechanical properties of Ti（C,N）-based cermets were investigated by XRD,SEM and mechanical properties test.The results show that wit...
Abstract: The Al/Ti/Al sheet was prepared by cold rolling and it was annealed under different processes.The morphology of the Ti/Al interface before and after annealing was observed with a scanning electron microscope.The microhardness of the titanium layer was measured with a microhardness,and the growth rul...
Abstract: V-25 Ti-10 Ni and V-25 Ti-10 Ni-0.5 Ce alloys for new energy automobile batteries were prepared by self-propagating method,and their microstructures,hydrogen absorption properties and corrosion resistance were tested,compared and analyzed.The results show that the grain of V-25 Ti-10 Ni-0.5 Ce alloy...
Abstract: In order to establish and optimize the rolling process of TC4 titanium alloy plate with moderate thickness and develop the TC4 titanium alloy plate with excellent comprehensive mechanical properties,the rolling industrial test of TC4 titanium alloy plate with moderate thickness was carried out in a ...
Abstract: The nano-TiO2 composite photocatalysts,i.e.activated carbon supported TiO2（TiO2/AC）,Tween-80,Cu2+and Fe3+doped TiO2,were separately prepared by sol-gel method,and the samples were characterized by X-ray powder diffraction（XRD） and ultraviolet-visible spectrometer（UV-VIS）.The photocatalytic performan...
Abstract: Considering the three main factors of fiber content,water-binder ratio and fly ash content,20 sets of high titanium heavy slag fiber-reinforced concrete specimens were designed using orthogonal experiments.The effect of fiber content,water-binder ratio and other factors on mechanical properties of t...
Abstract: To efficiently utilize the vanadium–titanium magnetite tailing in Chengde area,ordinary portland cement clinker was prepared by high temperature calcination using the tailing,limestone and quartz sand as raw materials.The evolution of phase compositions and microstructure of the cement clinker durin...
Abstract: The carbonization resistance and mechanical properties of concrete containing iron tailings sand under carbonization environments were investigated in this paper.Three factors including water-binder ratio,iron tailings sand content and binder content were analyzed and discussed by orthogonal tests.T...
Abstract: In order to reduce the direct reduction temperatures of vanadium titano-magnetite and improve the metallization ratio of pellets,sodium-treatment was adopted to the direct reduction of vanadium titano-magnetite.The vanadium titano-magnetite was direct reduced with coal and NaOH,and the influences of...
Abstract: In order to investigate the influence of different TiO2 content and basicity level on the technical and economic indexes of V-Ti sintering and the metallurgical properties of V-Ti sinter,so as to determine a better sintering and blast furnace material mixture,an experimental study was carried out to...
Abstract: In order to solve the common problem of Al2O3 inclusion modification in aluminum deoxidized steel,the deoxidation of steel by Al-Mg alloys was explored and practiced.Al-Mg deoxidation can achieve slightly better result than that of aluminum deoxidization.The oxygen activity after Al-Mg deoxidization...
Abstract: The effect of TiO2 in the refining slag on the inclusions in Ti-containing stainless steel was investigated under laboratory conditions during Al deoxidation.The results indicate that the inclusions initial Al2O3 forms then change into MgO-Al2O3 type inclusions with the dimention of 4 μm when the to...
Abstract: In order to determine the effect of interaction between superheat degree and combined EMS on dendritic structure and C,Mn homogeneity of heavy rail steel bloom,comparing experiment for different superheat degrees were carried out based on the specific combined EMS process.The effects of superheat de...
Abstract: In this paper,the Ti-Al inclusions in ultra-pure ferritic stainless steel were studied.The Ti-Al inclusions in steel were observed by two-dimensional metallographic method and three-dimensional anhydrous electrolysis.Tungsten filament and field emission scanning electron microscope were used to obse...
Abstract: In this paper,a comparative experiment was carried out to prepare titanium/steel rolled composite plates under different heating temperature conditions with Ni as intermediate layer.Scanning electron microscope,energy spectrometer,X-ray diffractometer and Instron universal tensile testing machines a...
Abstract: The effects of Ti on the formation of austenite and carbides during solidification and cooling in Cr12 MoV die steel were investigated by calculating the solubility products of carbides such as Ti,V,Mo and Cr in different temperature ranges.The results show that TiC can be precipitated only when Ti ...
Abstract: The microstructure of Fe-0.4 C-2 Mn-4 Al experimental steel in as-cast and hot-rolled state was analyzed by SEM,XRD and EBSD.The mechanical properties of the experimental steel before and after rolling were studied.The results show that the TRIP steel contains a large amount of δ-ferrite in the micr...
Abstract: The corrosion resistance of low-chrome ferritic stainless 409 L,409 M,410 L,410 S were evaluated by the chemical immersion erosion test,electrochemical corrosion test and intergranular corrosion test,and morphology and component analysis of corrosion film on the tested stainless steels’ surface were...
Abstract: The effect of coiling temperature after hot rolling and annealing temperature on the microstructure and properties of vanadium micro-alloy cold-rolled dual phase steels was studied in laboratory.Microstructure and property were compared between the as-hot rolled and after annealing strip,strength me...
Abstract: The kinetics of precipitation of AlN in austenite of oriented silicon steel was calculated by the theory of second phase precipitation.The results show that the critical nucleation sizes of AlN in austenite under different nucleation mechanisms are identical and the critical nucleation size increase...
Abstract: The precipitation behaviors of the second phase in Er-containing stainless steel were investigated by means of optical microscope（OM） and scanning electron microscope（SEM）.The second phase in stainless steel is mainly Ni-Er system,there are two second phases with the same elements but showing obviou...
Abstract: The as-cast structure and mechanical properties of Fe-12 Mn-8.5 Al-0.8 C low density steel were studied by means of optical microscopy（OM）,scanning electron microscopy（SEM）,energy dispersive spectrometer（EDS）,X-ray diffraction（XRD）.The results show that the as-cast structure is mainly composed of fe...
