Abstract: The hydrothermal reaction behavior of rich-titanium material in the hot Na OH solution was studied in this paper,and the effects of alkali concentration,temperature,reaction time on the conversion rate of TiO2 were investigated by Box-Behnken central composite design and response surface analysis. T...
Abstract: The chloridizing experimental studies in molten salts were carried out,and the temperature of chlorination furnace,composition control of molten salts and product quality were investigated with 74% titanium slag in Panzhihua as raw materials. The technical and economic index for chlorination of tita...
Abstract: The effect of aluminum sulfate as salt treatment agent on the properties of titanium dioxide initial products,mainly including the rutile conversion rate,achromatic energy,whiteness and particle morphology,was studied. The results show that aluminum sulfate is inhibitor of rutile transformation and ...
Abstract: Sodium metavanadate with more than 99.5% purity was prepared through dissolution for impurities and ammonia removal and dilution crystallization,with ammonium polyvanadate as raw material.The results show that the pH value at terminal point is the main influence factor for the time of ammonia remova...
Abstract: TiO2/MCM-41 photocatalysts with different titania content were prepared by loading titania onto the mesopores of MCM-41 molecular sieves via a sol- gel method. The photocatalytic activities of TiO2/MCM-41 photocatalysts were evaluated by the photocatalytic degradation of Rhodamine B aqueous solution...
Abstract: The effect of cooling process after deformation on V micro-alloyed and V-free rebar was studied. The thermal simulation experiments were carried out with different cooling processes after deformation. The transmission electron microscopy and energy spectrometer were employed to observe and analyze p...
Abstract: The elastic limit and 0.2% yield strength of nonlinear elastic materials were confirmed by cyclic loading-unloading tensile tests. The mechanical parameters of Ti- 23Nb- 0.7Ta- 2Zr- 1O,Ti-23Nb- 0.7Ta- 2Zr- 1.2O,Ti- 23Nb- 0.7Ta- 2Zr- 0.7O and Ti- 25Nb- 0.7Ta- 2Zr- 1.2O alloys were obtained by using t...
Abstract: High and low cycle fatigue performance of micro-alloyed and TMT rebars are compared through experimental investigation. Micro-alloyed rebar shows better fatigue performance than TMT rebar. It is experimentally observed in both micro-alloyed and TMT rebars that for high and low cycle fatigue,crack in...
Vanadium and vanadium compounds,of which about 95% are applied to steel and alloy smelting and about 5% are used in chemical engineering and other industries,are more widely used in nonsteel fields with the development of technologies. The preparation methods and research progress of vanadium materi...
Abstract: The utilization status of titanium slag and ilmenite resources was discussed,and the domestic and overseas technologies for producing rich titanium materials by titanium slag and ilmenite were expatiated in this paper. Through comparing,it is found that the production of synthetic rutile by further ...
Abstract: The reaction mechanism and track of vanadium were analyzed by theoretical calculation and sample detection during titanium extraction from blast furnace slag in Pangang by processes of high temperature carburization and low temperature chlorination. The results show that vanadium enters into the car...
Abstract: The influences of iron tailings,basicity,contents of MgO and Al2O3 on the viscosity and melting temperature of the blast furnace slag were investigated in adjustment of the slag for preparation of slag wool. The results show that with increase in content of added iron tailing the characteristics of ...
Abstract: The mineralogical characteristics of iron concentrates in vanadium titano-magnetite of Panzhihua Hongge area have been investigated by the methods of optical microscope,SEM,XRD,XRF etc.The measurement and observation reveal that iron concentrates mainly contain Fe,Ti,V,Cr,Si,Mg,Ca,Al,Cu,Ni,Mn,S,and ...
Abstract: According to Xuan steel’s blast furnace conditions,a RTW melt properties analyzer was used to to measure slag viscosity and then to research the effect of different basicity,MgO and Al2O3 content on flow properties of high titanium-bearing slag of blast furnace. The results show that the slags with ...
Abstract: According to Cheng steel blast furnace conditions,RTW melt properties analyzer had been used to measure slag viscosity,and the effect of solid carbon and slag TiC content on the performance of high titanium-bearing slag of blast furnace had been investigated. The results show that solid carbon and s...
Abstract: In order to exploit Indonesian ilmenite sands more effectively,the properties of the ore and the process of grinding and magnetic separation test were studied by using X ray diffraction （XRD）,laser particle size analysis,scanning electron microscope energy spectrum （SEM- EDS） and other methods. The ...
Abstract: Based on the high temperature optical microscope,in-situ observation on precipitation of nonmetallic inclusion in non-oriented silicon steel with different manganese concentration had been carried out.The observation showed that the numbers of non-metallic inclusions was 1 000 × 104/mm3 and 1 600 × ...
Abstract: In order to investigate the effects of impurities elements on the electromagnetic properties,the relationship among total inclusions amount,microstructures and electromagnetic properties of the finished steel sheets was discussed under 83 × 10-6 and 105 × 10-6 total amount of impurities elements C,S...
Abstract: According to the user’s process and the actual usage of the products,a series of parallel experiments have been done to explore the suitable test method and evaluation index of corrosion resistance,high temperature resistance and adhesion of environment-friendly insulation coatings on cold rolled no...
Abstract: The wH2/wCO ratio on the influence of reduction rate of Baiyun obo iron concentrate pellets was studied by homoiothermy thermogravimetric analysis （TG） method in order to solve the low utilization rate of gas and insufficient supply of heat problems in gas- solid direct reduction process.. The resul...
Abstract: The heat transfer and thermal plastic models had been established based on industrial 65 Mn rectangular billet,and been used to simulate solidification temperature field and stress field in straightening point,in order to determine the effect of the distribution of temperature field and thermal stre...
Abstract: The pot grate sintering tests were carried out with the variation of sintering fuel structure and the effect of semicharcoal substituting for coke breeze on sintering performance was investigated. The experimental result showed that the proper substitution ratio of semicharcoal for coke breeze varie...
Abstract: The eccentric argon stirring in stainless steel production has been studied by using geometric similarity 1:3 water model and plug model which has the same porosity to plug used in production. The mixing time,velocity of liquid steel surface and open-eye are optimized. Experiment results show that w...
