Abstract: Extracting-stripping process was used to separate vanadium from other elements in the acid leaching solution of vanadium slag without roasting.The effects of extraction temperature,extraction time,pH value,composition of extraction agent,extraction phase ratio,stripping time,acid concentration and s...
Abstract: The rutile titanium white pigment was prepared by thermal hydrolysis sulfate process without adding external seed crystals,using low concentration of industrial titanyl sulfate solution as raw material.The effects of pre-adding water,feed rate and aging time on particle morphologies,particle size di...
Abstract: The shaft furnace for vanadium extraction from stone coal is the roasting equipment with independent intellectual property rights,which has the advantages of smaller initial investment,higher vanadium conversion rate and lower energy consumption,etc.The research on thermal behaviors of the shaft fur...
Abstract: The exploratory experiments of precipitating vanadium which simulated the process conditions in a vanadium plant with the indexes of vanadium loss and cost were respectively tested with industrial sulfuric acid and flue-gas sulfuric acid in laboratory.The technology optimizations were studied by sel...
Abstract: In order to improve the properties of V-based solid solution hydrogen storage materials,ultrasonic stirring assisted casting method was used to prepare a new V-based solid solution hydrogen storage material V3 TiNi0.56Co0.1Al0.2.The phase compositions,microstructure,hydrogen absorption and desorptio...
Abstract: Microstructure and properties of TC4 alloy bars under various treatment processes were investigated.Results show that with increasing of single annealing temperature,the microstructure of TC4 alloy bar changes from equiaxed to bi-modal type and the tensile strength decreases while elongation and red...
Abstract: Single-side friction stir butt welding tests for automotive titanium alloy Ti-6Al-4V-0.2Y plate with thickness of 6 mm were conducted,and the macroscopic morphology,X-ray nondestructive flaw detection,microstructure,surface hardness and mechanical properties of the joints were tested and analyzed in...
Abstract: In order to improve the mechanical properties of the titanium alloy SP700(Ti-4.5Al-3V-2Mo-2Fe) used for automobile,the influences of faraday effect,charging time,additive and temperature on the hydrogenation of SP700 were investigated by electrolytic hydrogenation under acidic conditions (1N H2SO4)....
Abstract: The recovery of Ti from titanium slag by alu minum was investigated.After smelting,Ti-Si-Al alloy and slag with high content of alumina were obtained.It is indicated from the experimental results that the recovery of Ti from titanium-bearing blast furnace slag by aluminum is technically feasible.The...
Abstract: The rapid cooling tailings produced in the process of silicon-titanium alloy extraction from high titanium blast furnace slags by plasma fusion technique were used as raw materials to prepare calcium aluminate cement.The chemically combined water content analysis,pore size distribution test,XRD and ...
Abstract: Vanadium as an important alloying element in steels was initially associated with the properties achieved following tempering.Interest in the microstructure was stimulated by the advent of transmission electron microscopes with a resolution of y1 nm together with selected area electron diffraction t...
Abstract: The activity model of vanadium slag was established according to the coexistence theory of slag structure,based on which the influence of CaO addition on the dephosphorization of liquid iron containing vanadium during the process of producing vanadium slag was conducted in this paper.The equilibrium...
Abstract: The factors influencing liquid phase generation of vanadium titanium-sinter with moderate titanium content had been investigated by sintering cup test combining with thermodynamic calculations and sinter microstructure observations.The results show that increasing alkalinity promotes Fe2O3 reaction ...
Abstract: The influence of the ratios of limonite on properties of vanadium-titanium sinter was investigated in this paper.The results show that the tumbler index and RDI+3.15 of vanadium-titanium sinter increases first and then decreases with the increase of the ratio of limonite.The RI and T10% of vanadium-...
Abstract: The burden components and smelting practice with high PCI rate under low grade vanadium titano-magnetite at No.1 blast furnace of Ironmaking Plant of Panzhihua Steel and Vanadium Co.,Ltd had been discussed in the paper.For the purpose of increasing PCI rate and decreasing coke rate,some measures lik...
Abstract: The non-isothermal kinetics study is implemented on micro fine lean hematite to investigate the rate-determining system of chemical reaction and the effect of alkali salt on the reduction process.The results show that the reduction process is decided by the interface reaction and catalyzed by alkali...
Abstract: Using limonite and anthracite mined in Baotou region as main raw materials to manufacture pellets containing carbon which is used to produce iron nugget by direct reduction technique.The impacts of nC/nO,particle size,temperature and heating time on the reduction and melting has been investigated.Th...
Abstract: Considering this fact that the slag skull on copper cooling stave is unstability and scales off frequently due to the worsen material condition and the increased combustion intensity of blast furnace (BF) ironmaking,the softening melting properties of BF primary slag and medium-term slag of had been...
Abstract: Based on electromagnetic force calculation and industrial test,slab equiaxed crystal ratio and hot-rolled plate microstructure of 50W800 non-oriented silicon steel under different stirring parameters and combination modes of two pairs of electromagnetic stirrer in secondary cooling zone were studied...
Abstract: The influence of the molar ratio of Al to N and Mn to S on precipitation behavior of the inclusions and hot rolled microstructure of grain-oriented silicon steel has been studied in this paper.The results show that the inclusions in steel with different content of Al,N and Mn,S nucleate with Al2O3,w...
Abstract: Low carbon Si-Mn steel was processed through intercritical insulation-quenching-partition,and effect of quenching temperature on microstructure and mechanical properties of Q&P steel was studied by means of field emission scanning electron microscopy,X-ray diffraction and tensile tests.The resul...
Abstract: High frequency welding,hot stretch reducing,full body heat treatment and high temperature straightening"process was adopted to produce BSG-110 TT high collapse resistance oil casing.The evolution of microstructure and property of casing steel at different process stage was analyzed.The mechanical pr...
Abstract: Based on the failure model of rebars under seismic loading,the high strain and low cycle fatigue (HSLCF) behaviors of HRB500E rebar were tested systematically under constant strain condition.The statistical processing of HSLCF life tested were carried out using a double parameters Weibull probabilit...
Abstract: The formation and modification mechanism of MgO·Al2O3 spinel in oil casing steel during secondary refining process was studied by industrial experiments and thermodynamic calculations.The results show that when dissolved Al are 0.02% and 0.05% respectively,the required amount of dissolved Mg for the...
