2014 Vol. 35, No. 5

Separating and Extracting of Vanadium and Titanium
Study on Extraction Separation of Non-roasting Acid Leachate of Vanadium Slag
Yu Bin, Sun Chaohui, Xian Yong, Tang Hongjian
2014, 35(5): 1-6. doi: 10.7513/j.issn.1004-7638.2014.05.001
Abstract(75) PDF(1)
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...
Effects of Hydrolysis Conditions on Rutile Titanium White Pigment Prepared by Low Concentration of Titanyl Sulfate Solution
Chen Hua, Tian Congxue, Liang Anbing
2014, 35(5): 7-11,30. doi: 10.7513/j.issn.1004-7638.2014.05.002
Abstract(96) PDF(2)
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...
Research on Thermal Behaviors of Shaft Furnace for Vanadium Extraction from Stone Coal
Feng Junsheng, Dong Hui, Wang Aihua, Zhang Jingfan, Hu Jia
2014, 35(5): 12-16. doi: 10.7513/j.issn.1004-7638.2014.05.003
Abstract(68) PDF(2)
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...
Technology Research on Vanadium Precipitation with Flue-gas Sulfuric Acid
Wu Zhenxiu, Sun Chaohui, Chen Wenlong, Du Guangchao
2014, 35(5): 17-20. doi: 10.7513/j.issn.1004-7638.2014.05.004
Abstract(73) PDF(0)
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...
Application of Vanadium and Titanium
Preparation of New Vanadium Based Solid Solution Hydrogen Storage Material by Ultrasonic Stirring Assisted Casting
He Chunshan
2014, 35(5): 21-24. doi: 10.7513/j.issn.1004-7638.2014.05.005
Abstract(65) PDF(0)
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...
Microstructures and Properties of TC4 Alloy Bar with Different Heat Treatments
Huang Deming, Liang Shenglong, Tang Jing, Yang Xiongfei, Jiang Rengui
2014, 35(5): 25-30. doi: 10.7513/j.issn.1004-7638.2014.05.006
Abstract(381) PDF(30)
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...
Research on Friction Stir Welding of New Type of Titanium Alloy
Duan Yali
2014, 35(5): 31-34. doi: 10.7513/j.issn.1004-7638.2014.05.007
Abstract(96) PDF(1)
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...
Research on Electrolytic Hydrogenation of Titanium Alloy for Automobile
Hou Shiyuan
2014, 35(5): 35-39. doi: 10.7513/j.issn.1004-7638.2014.05.008
Abstract(81) PDF(1)
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)....
Resources Environment and Energy Saving
Recovery of Ti from Titanium-bearing Blast Furnace Slag by Aluminum
Zhen Yulan, Zhang Guohua, Zhou Guozhi
2014, 35(5): 40-44. doi: 10.7513/j.issn.1004-7638.2014.05.009
Abstract(118) PDF(2)
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...
Effect of Li2CO3 on Hydration Capability of High Titanium Blast Furnace Slag after Extracting Titanium
Wang Peng, Han Bingqiang, Ke Changming, Li Nan
2014, 35(5): 45-50. doi: 10.7513/j.issn.1004-7638.2014.05.010
Abstract(57) PDF(1)
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 ...
Technical Review
Processes,Microstructure and Properties of Vanadium Microalloyed Steels
T N Baker
2014, 35(5): 51-64. doi: 10.7513/j.issn.1004-7638.2014.05.011
Abstract(98) PDF(3)
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...
Ferrous Metallurgy and Materials
Dephosphorization during the Process of Vanadium Extraction from Vanadium-bearing Hot Metal Based on the Coexistence Theory of Slag Structure
Song Wenchen, Li Hong, Wang Yannan
2014, 35(5): 65-71. doi: 10.7513/j.issn.1004-7638.2014.05.012
Abstract(98) PDF(1)
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...
Study on Liquid Phase Generation of Vanadium-titanium Sinter with Moderate Titanium Content
Liu Ran, Liu Chaoqing, Lü Qing, Liu Xiaojie, Qie Yana, Li Chao
2014, 35(5): 72-77. doi: 10.7513/j.issn.1004-7638.2014.05.013
Abstract(88) PDF(0)
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 ...
Influence of the Ratios of Limonite on Properties of Vanadium-titanium Sinter
Lü Qing, Liu Donghui, Zou Leilei, Chen Shujun
2014, 35(5): 78-82. doi: 10.7513/j.issn.1004-7638.2014.05.014
Abstract(68) PDF(0)
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-...
Practice of Vanadium Titano-magnetite High Coal Injection Ratio Blast Furnace Process under Low Grade Condition
Du Sihong, Huang Bin, Ceng Huafeng
2014, 35(5): 83-87. doi: 10.7513/j.issn.1004-7638.2014.05.015
Abstract(64) PDF(0)
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...
Study on Catalytic Reduction Kinetics of Micro-fine Lean Hematite by Thermal Analysis Method
Wang Tianming, Guo Peimin, Pang Jianming, Wang Lei, Zhao Pei
2014, 35(5): 88-92. doi: 10.7513/j.issn.1004-7638.2014.05.016
Abstract(70) PDF(0)
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...
Production of Iron Nuggets Using Limonite by Direct Reduction
Chen Weipeng, He Chao, Zhao Zengwu, Wu Wenfei
2014, 35(5): 93-97,109. doi: 10.7513/j.issn.1004-7638.2014.05.017
Abstract(61) PDF(0)
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...
Study on Softening Melting Properties of BF Primary Slag and Medium-term Slag
Zhang Fang, An Shengli, Luo Guoping, Wang Yici
2014, 35(5): 98-102. doi: 10.7513/j.issn.1004-7638.2014.05.018
Abstract(123) PDF(2)
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...
Effect of Two Pairs of Electromagnetic Stirrer in Secondary Cooling Zone on Slab Equiaxed Crystal Ratio and Hot-rolled Plate Microstructure of Non-oriented Silicon Steel
Wan Yong, Wu Shaojie, Chen Weiqing
2014, 35(5): 103-109. doi: 10.7513/j.issn.1004-7638.2014.05.019
Abstract(105) PDF(13)
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...
Influence of Elements Used as Inhibitor on Precipitation Behavior of the Inclusions and Hot Rolled Microstructure of Grain-oriented Silicon Steel
Zhou Bowen, Li Guangqiang, Zhu Chengyi, Zheng Jianxin, Fu Yong, Zhang Feng
2014, 35(5): 110-116. doi: 10.7513/j.issn.1004-7638.2014.05.020
Abstract(93) PDF(1)
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...
Effect of Quenching Temperature on Si-Mn Steel Microstructure and Mechanical Properties after Intercritical Insulation+Q&P Process
Chen Liansheng, Zhao Yuan, Tian Yaqiang, Song Jinying, Yang Dong
2014, 35(5): 117-121. doi: 10.7513/j.issn.1004-7638.2014.05.021
Abstract(44) PDF(0)
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...
R&D of BSG-110TT High Collapse Resistance Oil Casing
Wang Jun, Bi Zongyue, Zhang Feng, Wei Feng, Li Yuanzheng, Wang Liang, Lu Biwei
2014, 35(5): 122-128. doi: 10.7513/j.issn.1004-7638.2014.05.022
Abstract(68) PDF(2)
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...
Investigation of High Strain and Low Cycle Fatigue Behaviors for HRB500E Rebars
Zheng Jialiang, Sheng Guangmin, Wang Lijuan, Zhang Dongsheng
2014, 35(5): 129-135. doi: 10.7513/j.issn.1004-7638.2014.05.023
Abstract(80) PDF(0)
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...
Formation and Modification of MgO·Al2O3 Spinel in Oil Casing Steel
Fang Zhongqiang, Sun Yanhui, Zhang Xichao, Wang Chengyi
2014, 35(5): 136-141. doi: 10.7513/j.issn.1004-7638.2014.05.024
Abstract(69) PDF(1)
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...
2014, 35(5): 142-144.
Abstract(55) PDF(0)
Abstract: