Abstract: The lithium titanate precursor sol was prepared by inorganic precipitation-peptization method with titanium sulfate as titanium source, lithium acetate as lithium source, followed by adding bentonite as modifier. Bentonite modified Li2TiO3 powder was obtained after stirring, aging, drying and calcin...
Abstract: Titanium from waste denitrification catalyst was recovered by salt roasting-acid leaching method. The leaching kinetics of titanium in sulfuric acid was studied by nuclear shrinkage model of liquid-solid multiphase reaction. The effects of sulfuric acid concentration and acid leaching temperature on...
Abstract: Using hydrolyzed metatitanic acid as raw materials, the effect of Al-Zn composite salt treatment on the quality of rutile TiO2 was studied. Rutile TiO2 samples were prepared by adjusting the calcination temperature. The effects of the addition of Al2O3 and ZnO on the calcination temperature required...
Abstract: Using ammonium nitrate, ammonium metavanadate, lithium nitrate, glucose, citric acid and glycine as raw materials, LiVO3 powder as cathode material for lithium-ion battery was successfully prepared by solution combustion synthesis. The effects of calcination temperature and calcination time on the p...
Abstract: The specific titanium dioxide, a catalyst carrier for denitration, was prepared from metatitanic acid in the process of sulfuric acid titanium dioxide production, via ammonia neutralization, active element complexing, calcination and pulverization. The crystal structure and morphology of the powders...
Abstract: In view of the decline of acid hydrolysis performance of titanium concentrate directly dried by biomass, the influence of different drying methods on acid hydrolysis performance of titanium concentrate were found by comparing the difference of acid hydrolysis performance of titanium concentrate, and...
Abstract: Based on the analysis of the density, specific heat and thermal conductivity of TC4 and TA17 titanium alloys by using JMATPRO thermodynamic software, the vacuum electron beam welding experiments of TC4 and TA17 titanium alloys with a thickness of 50 mm were carried out. The parameters of high and me...
Abstract: TiB2/Al composites were fabricated by spark plasma sintering using aluminum powders as matrix and TiB2 particles as reinforcement. The effects of different sintering temperatures (500, 525 ℃ and 550 ℃) on the phase composition, relative density, microhardness and tensile/compressive properties of th...
Abstract: In this study, A-TiO2 was prepared by a Sol-Gel method, and then Ag2C2O4 was deposited on the surface of TiO2 to construct Ag2C2O4/TiO2 heterojunctions by a precipitation method. The textural properties, crystal structures and light response capacity were studied by Brunauer-Emmett-Teller (BET) meth...
Abstract: Using pure Ti powder and Ti(C0.5N0.5) particles as raw materials, Ti(C0.5N0.5) particle reinforced Ti matrix composites were prepared by powder metallurgy process. The effects of Ti(C0.5N0.5) content on the microstructure and mechanical properties of titanium matrix composites were studied. The resu...
Abstract: In this paper, the application performance of titanium dioxide in ink was studied. Through the process of grinding, dispersing and inorganic coating of titanium dioxide crude products under different conditions, the study of pigment performance and application performance of ink was carried out, the...
Abstract: In this investigation, the friction stir processing (FSP) method was used to modify the surface layer of an as-cast Ti8LC automotive titanium alloy using different spindle rotation speeds and travel speeds. In addition, the microstructure and mechanical properties of the alloy samples were tested an...
Abstract: In this paper, the optimization test of ilmenite flotation reagents was carried out for an iron dressing tailing in Panxi. With a TiO2 grade of 16.6%, this tailing is mainly composed of ilmenite, titanomagnetite, pyroxene and olivine, and the secondary minerals are plagioclase and chlorite. The type...
Abstract: An experimental study on iron separation of Indonesian beach placer and Panxi vanadium titanomagnetite was carried out by comparing the dry-cast tailings of a vanadium titanomagnetite from Panxi. The results show that the technological process of iron separation for Indonesian beach placer is simple...
Abstract: There is a beach placer ore abroad, which is rich in ilmenite, zircon, monazite and other valuable minerals. Oxidation alteration of ilmenite and some contaminated zircon surface with iron change the magnetic and electrical properties of the minerals, which makes it difficult to separate. In view of...
Abstract: A primary ilmenite ore from overseas has a TiO2 grade of 8.23% and a Fe2O3 grade of 16.47%. The mainly titanium-containing minerals contain ilmenite, a small amount of rutile and sphene, and a trace amount of titanium-containing magnetite. The gangue minerals are mainly hornblende and feldspar, foll...
Abstract: In order to further improve the grade of vanadium-titanium-iron concentrate and realize the policy of blast furnace concentrate, the process mineralogy of vanadium-titanium magnetite concentrate produced by a concentrator in Baima mining area of Panxi was studied. It is pointed out that the presence...
Abstract: The TiO2 content of a low grade ilmenite in Panxi is 6.15% and its mineral composition is complex. In order to fully recover ilmenite, mineral processing experiments were carried out. According to the occurrence state and particle size distribution characteristics of titanium, the combined technolog...
Abstract: The results from micro sintering test on high temperature properties of Pangang iron ore power show that the assimilation temperature of high V-Ti magnetite used in Pangang exceeds 1 320 ℃, while the liquid phase fluidity index is only 0.1 and the bonding phase strength is greater than 3 500 N. It i...
Abstract: The high-temperature carburized SCM420H gear steel was modified with vanadium microalloying, and the structure and hardenability of the steel were studied. The results show that the V and N contents in SCM420H gear steel should be controlled within the range of 0.03%~0.05% and 0.012%~0.018%, respect...
Abstract: Continuous cooling transformation thermal simulation experiment of weathering steel with various V or Ti contents was conducted, and effects of cooling rate and V or Ti element on microstructure transformation and property of weathering steel were investigated. When V content increases from 0.03% to...
Abstract: 0.17C-0.30Si-1.40Mn steels with different titanium contents were prepared by smelting process. After hot rolling into hot-rolled coils, samples were taken for mechanical property test and metallographic structure inspection. Thin-film samples were made by the carbon replica extraction method for tra...
Abstract: 5CrNiMoVx (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5) with different vanadium contents were prepared by adding different amounts of alloying element vanadium into the 5CrNiMoV die steel. The microstructure of the sample was analyzed by optical and scanning electron microscopes, and the hot cracking resistance ...
Abstract: To investigate the variation of elements in ingots produced by electroslag remelting in low-fluorine slag system, based on Incoloy825 different contents of TiO2 and deoxidizer were added into slag to carry out four sets of electroslag remelting experiments. A thermodynamic model was established base...
Abstract: Thermo-Calc thermodynamic software was used to calculate the phase diagram of 6Cr13Mo stainless steel. The heating, cooling, and solidification processes of 6Cr13Mo stainless steel were simulated via an ultra-high temperature confocal microscope, and the evolution of carbide was observed and analyze...
Abstract: The evolution of inclusions in steel of the continuous casting process of IF steel produced by a plant was studied by systematically sampling including molten steel and casting billet. The methods of analysis mainly include analysis of total oxygen and nitrogen content, ASPEX scanning electron micro...
Abstract: Titanium is widely used in national defense and civil fields due to its various excellent properties. In order to continuously produce large coils of heavy titanium strip with high efficiency and low cost, conventional hot tandem rolling production lines for co-linear production of titanium, titaniu...
Abstract: The effect of annealing time on the hydrogen embrittlement sensitivity of martensitic steel was studied by slow strain rate tensile and hydrogen permeation tests. The results show that the hydrogen embrittlement sensitivity decreases first and then increases with the extension of tempering time. Whe...
Abstract: Effects of heating temperature, rolling process, and cooling rates on microstructure variation and mechanical properties for low-cost L485M were studied. The results show that the austenite grains grow continuously with increasing temperatures. The average austenite grains can be controlled within 5...
