Abstract: The progresses of Japan’s titanium metal preparation technologies in recent years,such as preparation of titanium sponge,new titanium metal extraction technologies,titanium scrap recovery and purification,were summarized in this paper. The technical progresses in adjustment of raw materials structur...
Abstract: In order to realize the comprehensive utilization of vanadium-titanium magnetite concentrate at lower temperature,carbothermal sodium-treatment was adopted to reduce the reduction and smelting-separation temperatures,and the enrichment recycling of iron,vanadium as well as titanium was investigated....
Abstract: Reduction is the key technological process of preparing titanium-rich material from ilmenite.This paper studied the action mechanism of pre-oxidation on reduction behavior of rock ilmenite in detail,using Panzhihua ilmenite as the experimental subject.The results show that the reduction rate of untr...
Abstract: Aiming at the shortcomings of high energy consumption,heavy pollution and low recovery rate for the traditional vanadium production technologies,a new process for vanadium extraction by acid leaching using the waste acid in titanium white production under the pressure without roasting was proposed.I...
Abstract: The hydrodynamic characters,disturbance of bubble motion to bed and relationship between bubble size and distributed plate position under the initial fluidization velocity in fluidized chlorination of high-titanium slag in Yunnan was studied based on the Euler Two-fluid Model and Critical Fluidizati...
Abstract: Titanium oxycarbid consumable anode was prepared by single sintering process with asphalt as additive agent.Electrochemical dissolution behaviors of titanium oxycarbid consumable anode in NaCl-KCl-TiClx molten salt system was researched.The results show that titanium oxycarbid consumable anode with ...
Abstract: The purified alkaline vanadium solution obtained from the process of sodium roasting for vanadium slag was used as the raw material in this experiment,and the content of V and Na,and impurities content of Si and P were analyzed.A new process of vanadium precipitation under acidic condition was inves...
Abstract: In order to study the hot deformation behaviors and deformation characteristics of TA17 titanium alloy,the thermal compression experiments were carried out on Gleeble-3800 thermal simulator at the deformation temperature ranging from 700 to 1 100 ℃,strain rate ranging from 0. 1 to 40 s-1 with 60%hei...
Abstract: β-Li2 TiO3 was synthesized as precursor of the lithium-ion adsorbent via solid-phase reaction using Ti-rich material as titanium source,which was prepared by purification of melt-separated titanium slag.H2 TiO3 lithium-ion adsorbent was finally obtained after extracting Li+ from the precursor Li2 Ti...
Abstract: The nitrogen-doped nano-TiO2 （N-doped nano-TiO2） was prepared by sol-gel method with urea as nitrogen source and tetrabutyl titanate as titanium source. The crystal structure and morphology of the samples were characterized by FT-IR,XRD,UV-Vis and SEM,respectively. The photocatalytic activity of the...
Abstract: The effect of multilayer graphene and Fe2O3 nanoparticles on the wear behavior of TC11 alloy was investigated by adding the mechanical mixtures of multilayer graphene and Fe2O3 nanoparticles to the friction interface of the alloy.As a comparison,the wear tests with no additive and adding pure multil...
Abstract: In order to reveal the behaviors of aluminum ion deposition in inorganic coating process for titanium white,the spectrophotometric method was used to confirm the pH range of deposition for different aluminum salts,and the number of particles and particle size were monitored by the online particle de...
Abstract: Ti-Al-V-In new-typed titanium alloy thin-walled tube samples by hydraulic bulging were heat treated with different heat treatment systems,and the mechanical properties and corrosion resistance of the tubes were tested and analyzed. The results show that compared with common annealing,both isothermal...
Abstract: According to the adjustment of molten blast furnace slag for preparation of mineral wool,the influence of iron tailings,basicity contents on the viscosity and melting temperature of the slag system has been investigated.Based on the basic composition of slag cotton,a certain amount of modifier was a...
Abstract: To solve problems that recycling wastewater pH、SS、Mn2+、NH4+ concentration change greatly to cause vanadium precipitation and low yield of vanadium during calcified roasting clinker leaching with sulfuric acid and ammonium salt precipitation of vanadium process in clean production,the effect of recyc...
Abstract: Using the coal gangue after acid leaching and alumina oxide as raw material,the effect of synthetic on mullite phase was researched under different experimental conditions.When the heating temperature is 1 200 ℃ a rod like mullite crystal appears,.With the temperature exceeding 1 500 ℃,significant a...
Abstract: The temperature field of a 100 t ladle during static process was calculated by using Fluent software,and he temperature drop curves of with and without adding lid were obtained.Influence of lid on the temperature field of ladle was analyzed.The static time was set at 10 min and 60 min respectively,a...
Abstract: In this paper Vivtorinox indentation had been used to detect micro-hardness of the common minerals in vanadium-titanium sinter and ordinary sinter,and the micro hardness of different minerals had been compared as well as indentation crack initiation and propagation had been analyzed. Micro-hardness ...
Abstract: The texture of sinter with different basicity had been investigated by means of polarization microscope.The result shows that the metal phase of the sinter with hematite ore and magnetite ore is magnetite and hematite,but the hydrotitanite appears in the sinter with vanadium titano-magnetite ore,the...
Abstract: In order to utilize the lean ore resources rationally and optimize mixture,experimental schemes of sinter mixture were designed and carried out under different basicity,different carbon content as well as different fuel particle size by the sintering cup.The results show that the sinter strength dec...
Abstract: Firstly,thermodynamic analysis of carbon dissolution had been made.It proved that carburization process was provided with good thermodynamic condition,however,carburization process was restrained by oxidation of carbon.Based on these research results,carburization experiment of laboratory level had ...
Abstract: The 160 MPa low-yield strength steel plate with 40 mm and 80 mm thicknesses for building aseismicity was developed through reasonable composition design and rolling technology.The LY160 steel could meet the requirements of GB/T28905—2012.The microstructure of the LY160 steel plate （40 mm） consists o...
Abstract: For the variation of inclusions in the surface layer of IF slab,the size,quantity,distribution,composition and source of inclusions were investigated by means of total oxygen and nitrogen content analysis,optical microscopy,scanning electronic microscopy （SEM） and energy dispersive X-ray spectroscop...
Abstract: The number,size,chemical composition and morphology of inclusions in the sour service pipeline steel samples taken from individual steelmaking process stages and billet were analyzed using SEM and bulk sample electrolysis. The results indicate the area fraction of micro inclusions in the liquid stee...
Abstract: Through measuring type-A non-metallic inclusion of sample taken from different depths and location in the steel rail,we found out that that the result is contingent.In this paper taking U75V steel rail as researching object,the separation of MnS in rail steel had been predicted by Factsage software ...
Abstract: The pearlite microstructure and mechanical properties of 65 Mn hot rolled narrow strip was tested by OM、SEM、tensile testing machine and Rockwell hardness tester under different finishing temperature,cooling rate after finish rolling and cooling rate after coiling for formulation of small range quali...
Abstract: Sliver defect is one of the most common defects in IF steel cold rolled sheet.In this paper,the genesis of cold rolled IF steel sheet sliver defects in Handan Iron Steel Group have been studied,and some methods of reducing sliver defects have been proposed. SEM-EDS result indicates that there are a ...
Abstract: In order to identify the reason forwrinkling defects at Q195 cold rolled galvanized steel strip,the large size and micro-size inclusions of samples taken from the various process steps of steelmaking had been characterized by utilizing large sample electrolysis,metallographic microscope,scanning ele...
