Abstract: Metallurgical characteristics of the aluminothermic reaction between vanadium oxides and aluminum,which is suitable for ferrovanadium smelting in tilting furnace by one-step and two-step approach,was studied. The effects of vanadium oxides ratio and aluminum coefficient were investigated on smelting...
Abstract: The morphologies,phase contents,existing forms and trace of vanadium in the roasted vanadium slag before and after leaching were comparatively analyzed. The results show that the morphology of the spinel transforms from compact and smooth surface to porous structure with unsmooth surface by roasting...
Abstract: In the present work,vacuum carbothermal reduction of Panzhihua ilmenite concentrate at various temperatures,system pressures and carbon addition was simulated using Fact Sage software. The results show that the total mass of the gas phase is increased and the mass of impurities in the slag phase is ...
Abstract: Characteristics of the traditional heat preservation lining and the novel condensing lining were analyzed,and application of the condensing lining was put forward to prolong the service life of lining in the melting electric arc furnace for titanium slag. Wall temperature gradient and heat flux were...
Abstract: Titanium dioxide （TiO2） doped with nitrogen and tungsten,having a high photocatalysis performance,was prepared by sol-gel method with tetra-n-butyl titanate as raw material. Magnesium hydroxide （Mg（OH）2）-titanium oxide composite materials were obtained by bubbling ammonia in mixture of the prepared ...
Abstract: The precipitation dynamics of vanadium in HRB500 rebar after rolling deformation was investigated experimentally by stress relaxation method. The test results show that two turning points appear in the stress relaxation curves under constant temperature and strain after rolling,which correspond to t...
Abstract: The influence of the addition of Nb and Ti on the hot ductility and the precipitation of continuous casting 700 MPa Nb-Ti-bearing high strength steel slabs was researched. Its high temperature mechanical properties were tested by Gleeble -3500. The morphology characteristics of fracture surface of t...
Abstract: The V3TiNi0.56 series vanadium-based solid solution hydrogen storage alloys were prepared with different contents of alloying elements of Sc or Y,and the microstructure,electrochemical corrosion resistance and charge-discharge cycling stability of the alloys were tested and analyzed. The results sho...
Abstract: This work preliminarily studied chloride recycle from residue of fused salt chlorination and the effect of recycled chloride on hydrochloric acid leaching of ilmenite. The results show that the soluble chloride and insoluble oxides in residue of fused salt chlorination can be effectively separated b...
Abstract: Titanium gypsum is a by-product in producing titanium dioxide （TiO2） by sulfuric acid method. 4~5 tons of titanium gypsum is produced for the production of every one ton of titanium dioxide. The environment pollution of the titanium gypsum can be efficiently resolved by adding the pretreated titaniu...
The application of vanadium microalloying to advanced high strength steels （AHSS） is discussed. Some of thepotential benefits to a wide range of steel grades including dual phase （DP）,transformation induced plasticity （TRIP） and twinning induced plasticity （TWIP） are illustrated and examples are giv...
Abstract: Base on the characteristics of Cheng Steel vanadium titanium ore and actual production conditions,the shunt granulating sintering process under different material layer thickness conditions （conventional sintering,acid mixed sintered） had been investigated. Compared with conventional sinter （600mm）,...
Abstract: The solidification process of Ti-bearing low carbon steel was controlled by self-developed pulsed magnetic field generator. With the help of metallographic microscope,scanning electron microscope and energy spectrum,the influence rules of the precipitation behavior of inclusions and solidification s...
Abstract: The effects of different conditions on the equilibrium species about high-phosphorus hematite were investigated by Fact Sage6.4 thermodynamic analysis software. And some experiments were made to verify the thermodynamic analysis data. The results show that the existence forms of gas phosphorus were ...
Abstract: The reduction experiment was carried out on carbon-bearing pellets made of iron concentrate,pulverized coal and limestone. Morphology observation and separation degree of slag-metal had been analyzed. Based on these investigations an optimum experimental program for reduction and separation process ...
Abstract: In this paper thermodynamics analog calculation has been made for tube bloom in order to obtain a deoxidization technology and refining slag system. Industrial tests showed that if optical basicity and CaO /Al2O3 could be controlled at 0.75~0.80 and 2.0~2.5 respectively,then T[O]＜ 20 × 10-6 in molte...
Abstract: In order to investigate devitrification behavior of continuous casting mold flux in the process of annealing,glassy flux was annealed by single hot thermocouple technique,and then observed by scanning electron microscope and XRD. It is found out that the devitrified phenomenon occurred from the glas...
Abstract: On basis of the quaternary slag system used for bearing steel refining,the influence of basicity,Al2O3 and MgO content on the viscosity of CaO-MgO-Al2O3-SiO2 slag system has been investigated by Fact Sage software,and the calculation was compared with the measured value for actual system,for the pur...
Abstract: In this paper,comprehensive analysis had been carried on the macro inclusion with regard to the type,source,composition and quantity and the main factors influencing the cleanliness of casting slab had been identified. Composition analysis shows that the [O] and [N] contents of the first slab are 82...
Abstract: The effect of potassium chlorate （KClO3） as oxidants on pickling behaviour in HCl-based electrolyte and the surface quality of original hot-rolled and blasted 430 stainless steel （430-SS） were studied,by means of weight-loss tests,microstructure analyses,potentiodynamic polarization curves and elect...
Abstract: In this paper texture evolution of high grade non-oriented silicon steel produced by 20 mm thin slab in the course of hot rolling,normalizing,cold rolling and annealing process was investigated. The texture of samples was measured by EBSD. The results show that the texture intensity through thicknes...
Abstract: The desulfurization of silicon steel in the course of KR-BOF-RH-CC process were analyzed by industrial practice verification and statistics. The results show that the resulfurization quantity of hot metal is lower when the rate of slag skimming increases above 98%. The combing measure of using high ...
Abstract: Through microwave magnetizing roasting the Jiugang’s specularite in the high temperature microwave reactor,the heating characteristic of specularite under microwave treatment,phase transformation before and after magnetic roasting and the effect of microwave heating on the microstructure were invest...
Abstract: To achieve chromite fines resources utilization effectively,the new process of preparation of low-carbon ferrochromium from chromite fines by microwave silicothermic reduction was investigated.FactSage software was used to simulate the ternary slag （SiO2-CaO-Cr2O3） and the binary slag （SiO2-CaO）,in ...
Abstract: According to magnetization reduction roasting of limonite in a fluidized bed,a vertical partition plate is installed in fluidized bed to improve particle behavior,reduce dead region and short circuit condition and average RTD. In this paper the impact of superficial gas velocity,feed rate,particle s...
