Abstract: Due to high vanadium content in Chenggang blast furnace slag,in order to improve the reduc-tion rate of vanadium,the relationship between blast furnace slag properties and reduction of vanadium ox-ide was investigated in this paper The results show that when the combined conditions of basicity of sl...
Abstract: The rule of step-by-step indirect reduction of vanadium oxides was calculated theoretically.It is concluded that the indirect reduction of vanadium oxides follows the rule of V2O5→VO2→V3O5→V2O3→VO→V at 273~987 K while V2O5→VO2→V2O3→VO→V at 987~2 500 K.The temperature intervals for steady existence o...
Abstract: The thermodynamics calculation and analysis for oxidation-reduction roasting of titanium slag produced by electric furnace in Panzhihua were carried out in this paper,based on which the phase com-positions of the oxidized products at different roasting temperatures for the titanium slag were determi...
Abstract: Chemical and phase compositions of the titanium slag with different FeO contents were analyzed, and the effects of FeO content on the heat release, quantity and compositions of collected slag, molten salts compositions and product quality in molten salt chlorination process were researched.The resul...
Abstract: By scanning electron microscopy(SEM) and energy dispersive spectrometer(EDS), the process mineralogies of titanium-containing carbonized blast furnace slag before and after chlorination, es-pecially the influence of the mineralogical characteristics of titanium carbide on the chlorination, were stud...
Abstract: This paper respectively discussed the influences of vacuum level, distillation temperature, dis-tillation load and spray water system on vacuum distillation process of titanium sponge, according to the characteristics of titanium sponge production by half-combined I-type furnace.A higher vacuum leve...
Abstract: Ultra-high strength steel sheets have been subjected to heat treatments that simulate the thermal cycles in hot-dip galvanising and galvannealing processes and evaluated with respect to their resulting mechanical properties and microstructures. The steels contained suitable contents of carbon(~0.2%)...
Abstract: The microstructures and properties of vanadium-alloyed cold rolled TRIP steel were investigated by salt-bath heat treatment and methods of property testing and microstructure observation. The results show that all the tensile strength of the samples can reach 700 MPa in the certain heat treatment, a...
Abstract: The reaction process for preparation of V-4Cr-4Ti crude alloy by Mg and Ca co-reduction was thermodynamically analyzed. The feasibility of the reactions as well as the oxidation vulnerability of Ti was confirmed by the st and ard Gibbs free energies of chemical reactions. Experiments were designed b...
Abstract: Mo2C is normally added to improve the wettability between Ti(C,N) and Ni in Ti(C,N)-based cermets.Due to the increasing price of Mo2 C,much attention has been paid to Ti(C,N)-based cermets with WC addition.In this paper,effect of WC content on the microstructure of Ti(C0.7N0.3)-xWC-15%Ni cermets fre...
Abstract: In order to study the effects of titanium on the properties of Mg2Ni hydrogen storage materials,various contents of alloying element titanium was added in the hydrogen storage alloy Mg2Ni, and the mi-crostructure,hydrogen absorption and desorption performances and cycle stability of the material wer...
Abstract: In order to optimize the extrusion process parameters of Mg-8Al-0.5Zn-0.5Ti magnesium alloy plates containing titanium and magnesium alloy, and to provide experimental data and reference for the in-dustrial production,the extrusion experiments had been carried out on the extrusion line with various ...
Abstract: The crystallization behaviors of blast furnace slag under different cooling modes including fur-nace cooling,air cooling and water cooling were investigated by Fact Sage simulation software,XRD and SEM,to explore the influence of cooling modes on the crystallization quantity of blast furnace slag.Th...
Abstract: In this paper the effect of furnace dust on the HCl removal in the top gas of blast furnace had been investigated.When ash content in gas baghouse increases within the level less than 5 mg/m3,the HCl removal can be improved.When the particle size of dust is less than 38 μm,increasing size can slight...
Abstract: In order to study the effects of diluent on the performances of the coatings prepared by converter dust,high solid anti-corrosion coatings were prepared by the converter dust with an average particle size of 59.33 μm.Using benzyl alcohol as the diluent,its effect of addition amount on the properties...
Abstract: Titanium gypsum is a by-product of titanium dioxide production by sulphate process,with calcium sulfate dihydrate as the main phase accompanying a small quantity of dolomite.The main impurities of titanium gypsum include Fe2O3,Al2O3,SiO2,MgO and TiO2,which will affect the condensation properties of ...
Abstract: The vanadium titano-magnetite slag from Chengde iron & steel company is characterized by high viscosity,difficult in separation of the slag-iron higher hardness.The study has been done to decrease the viscosity and hardness of the vanadium titano-magnetite slag.The results show that the viscosit...
Abstract: According to the dealkalization capacity of blast furnace(BF) slag with low titanium content in an integrated iron and steel company were tested and analyzed, the effects of wCaO/wSiO2,wMgO,wAl2O3,wTiO2 and initial alkali content on dealkalization capacity of BF slag were studied.The results show th...
Abstract: Based on field experiments,the amount of rephosphorization quantity,the P content of alloy and auxiliary materials and the quantity of tapping slag were calculated in order to effectively control liquid steel rephosphorization.The effects of slag composition and temperature on the rephosphorization ...
Abstract: In order to achieve high gasification dephosphorization of high-phosphorus iron ore after sintering,promote the development and utilization of high-phosphorus iron ore,the influence of material com-position on the gasification dephosphorization rate had been investigated via microwave heating. When ...
Abstract: Due to the frequent surface defect happened to the peritectic steel slab, the effects of raw mineral materials on the properties and crystallization characteristics of mold flux were investigated using process mineralogy in this study. Mold flux were mainly prepared using cement clinker and industri...
Abstract: The macro-segregation of alloying elements during continuous casting steel has adverse effect on the quality of steel product.The nature of macro-segregation in casting is physical movement of liquid phase or solid phase during solidification.The causes of molten steel flow in continuous casting pro...
Abstract: According to the practical conditions of 65 t ladle,the effects of bottom blowing design and process parameters on slag entrapping,turbulent kinetic energy and lining Erosion of the ladle has been investigated by Fluent s of tware.Under the condition of 100 L/min bottom blowing,slag entrapping will ...
Abstract: In the paper, C-Si-Mn steels were soaked at 800℃ for 120 s, and then rapidly cooled to 350℃ and held for 100~1 000 s to simulate the bainite isothermal transformation process. The influence of bainite isothermal time on the microstructure and mechanical properties of ultra-high strength cold-rolled ...
Abstract: The microstructure of transformation induced plasticity steel(TRIP) is composed by ferrite,martensite and retained austenite, and have high qualified steel plate with high strength and good plastici-ty.To study super-cooled austenite transformation under the condition of continuous cooling,the deter...
Abstract: In this paper the effects of Ti on the hardenability of boron-bearing track steel had been inves-tigated through Jominy end quench test and microstructure observation. It is found out that when Ti/N ra-tion is less than 5.2, the hardenability of boron steel increase with Ti/N increasing. The hardena...
Abstract: The temperature-expansion curves under different of cooling rates of DH36 steels had been measured by high temperature phase transformation quenching instruments.The CCT curves of the steels had been determined by using the expansion method and observing the microstructure of the steels.The influenc...
Abstract: Using the quick cooling device located at the exit of final bar mill st and,The influence of main process parameters on the properties of reinforcing steel bar was tested and analyzed.The results show that the interval time between the final st and and the initial cooling can be shortened to increas...
