2015 Vol. 36, No. 2

Separating and Extracting of Vanadium and Titanium
Research on the Hydrothermal Reaction of Rich-titanium Material in the Low Concentration of Alkali Solution
Jing Tao, Wu Yafei, Chu Jinglong, Xu Hongjun, Yu Guangxin, Mei Wenhong
2015, 36(2): 1-6. doi: 10.7513/j.issn.1004-7638.2015.02.001
Abstract(83) PDF(3)
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...
Investigation on Chloridizing 74% Titanium Slag in Molten Salts
Li Kaihua
2015, 36(2): 7-12. doi: 10.7513/j.issn.1004-7638.2015.02.002
Abstract(78) PDF(4)
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...
Study on the Salt Treatment Technology of the Titanium White by Aluminum Sulfate
Ma Weiping, Xu Yuting, Du Jianqiao, Cheng Chaoyan, Wu Guangrong
2015, 36(2): 13-16. doi: 10.7513/j.issn.1004-7638.2015.02.003
Abstract(107) PDF(6)
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 ...
Study on Preparation of Sodium Metavanadate
Yin Zhaoqian, Li Qianwen, Peng Yicun, Wu Liuzhu, Pan Shaoyan
2015, 36(2): 17-23. doi: 10.7513/j.issn.1004-7638.2015.02.004
Abstract(238) PDF(10)
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...
Application of Vanadium and Titanium
Preparation and Photocatalytic Activities of TiO2/MCM-41 Photocatalyst
Dou Lin, Li Jianzhang, Zhong Junbo, Wang Tao, Cheng Chaozhu, Chen Jiufu, Li Minjiao
2015, 36(2): 24-27,32. doi: 10.7513/j.issn.1004-7638.2015.02.005
Abstract(87) PDF(3)
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...
Effect of Micro-alloying Element V and Cooling Process on C-Si-Mn Rebar
Zhang Chen, Xu Guang, Yuan Qing, He Bei
2015, 36(2): 28-32. doi: 10.7513/j.issn.1004-7638.2015.02.006
Abstract(76) PDF(2)
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...
Test Method and Analysis of the Mechanical Properties of Nonlinear Elastic Ti-Nb-Ta-Zr-O Alloys
Shen Rui, Chen Feng, Yu Xinquan, Zhang Youfa
2015, 36(2): 33-38,56. doi: 10.7513/j.issn.1004-7638.2015.02.007
Abstract(84) PDF(3)
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...
High and Low Cycle Fatigue Performance Comparison between Micro-alloyed and TMT Rebar
Surajit Kumar Paul, Pritam Kumar Rana, Debdulal Das, Sanjay Chandra, Saurabh Kundu
2015, 36(2): 39-48. doi: 10.7513/j.issn.1004-7638.2015.02.008
Abstract(81) PDF(2)
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...
Research Progress of Vanadium Materials Used in Non-steel Fields
Du Guangchao
2015, 36(2): 49-56. doi: 10.7513/j.issn.1004-7638.2015.02.009
Abstract:

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...

2015, 36(2): 139-140.
Abstract(57) PDF(2)
Abstract:
Technical Review
Research Status of Titanium Slag and Ilmenite Resources for Preparing Rich Titanium Materials
Chang Xiaodong, He fei, Chen guo, Peng Jinhui, Zhao Wei, Liu Qianqian, Liao Xuefeng
2015, 36(2): 57-62. doi: 10.7513/j.issn.1004-7638.2015.02.009
Abstract(116) PDF(6)
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 ...
Resources Environment and Energy Saving
Study on the Track and Recycle of Vanadium in the Titanium Extraction from Blast Furnace Slag
Zhou Airan, Lu Ping
2015, 36(2): 63-67. doi: 10.7513/j.issn.1004-7638.2015.02.011
Abstract(73) PDF(3)
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...
Research on Conditioning Agents for Preparation of Slag Wool by Blast Furnace Slag
Sun Caijiao, Zhang Yuzhu, Li Jie, Li Junguo, Liu Chao, Hong Lukuo
2015, 36(2): 68-72,83. doi: 10.7513/j.issn.1004-7638.2015.02.012
Abstract(84) PDF(6)
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 ...
Ferrous Metallurgy and Materials
Studies on Mineralogical Characteristics of Iron Concentrates in Hongge Vanadium Titano-magnetite
Luo Jinhua, Wu Zhaoyu, Wu Enhui, Li Junhan, Liao Xianjie, Tang Rui, Yang Shaoli
2015, 36(2): 73-77. doi: 10.7513/j.issn.1004-7638.2015.02.013
Abstract(93) PDF(5)
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 ...
Study on Flow Properties of Low Titanium-containing Blast Furnace Slag
Huang Honghu, Lü Qing, Cao Lihua, Liu Xiaojie, Qie Yana, Ding Haichao
2015, 36(2): 78-83. doi: 10.7513/j.issn.1004-7638.2015.02.014
Abstract(61) PDF(2)
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 ...
Effect of Solid Carbon and TiC Content on the Performance of High Titanium-bearing Slag of Blast Furnace
Lü Qing, Huang Honghu, Chen Shujun, Liu Xiaojie, Sun Yanqin, Ding Haichao
2015, 36(2): 84-88. doi: 10.7513/j.issn.1004-7638.2015.02.015
Abstract(50) PDF(3)
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...
Experimental Research on the Appropriate Grinding Fineness for the Magnetic Separation of Indonesian Ilmenite Sands
Yao Chaoquan, Zhang Jianliang, Wang Zhenyang, Liu Zhengjian
2015, 36(2): 89-94. doi: 10.7513/j.issn.1004-7638.2015.02.016
Abstract(67) PDF(3)
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 ...
In-situ Observation of Non-metallic Inclusion Precipitation in Non-ori ented Silicon Steel with Different Manganese Concentrations
Lü Xuejun, Zhang Feng, Chen Xiao, Zheng Shaobo, Zhao Dan
2015, 36(2): 95-101. doi: 10.7513/j.issn.1004-7638.2015.02.017
Abstract(75) PDF(3)
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 × ...
Effects of the Impurity Elements on the Microstructure and the Magnetic Property of the Non-oriented Silicon Steel Sheets
Chen Lingfeng, Zhao Zhiyi
2015, 36(2): 102-108. doi: 10.7513/j.issn.1004-7638.2015.02.018
Abstract(113) PDF(5)
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...
Experimental Study on Performance Evaluation of Environment-friendly Insulation Coatings of Cold Rolled Non-oriented Electrical Steel Sheet
Guo Taixiong, Liu Changsheng, Dong Xueqiang, Liu Chunfu, Yuan Ping
2015, 36(2): 109-114. doi: 10.7513/j.issn.1004-7638.2015.02.019
Abstract(55) PDF(2)
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...
Research on Kinetics of Rich Hydrogen Reduction of Baiyunobo Iron Concentrate Pellets
Zhao Wenguang, Gao Qiang, Wang Yongbin, Peng Jun, An Shengli
2015, 36(2): 115-119,131. doi: 10.7513/j.issn.1004-7638.2015.02.020
Abstract(102) PDF(2)
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...
Research on Solidification Behavior and Process Optimization in Single Point Straightening Rectangular Billet Continuous Casting for 65Mn Steel
Sun Ligen, Liu Yang, Ren Yingqiang, Liu Zengxun, Zhu Liguang
2015, 36(2): 120-125. doi: 10.7513/j.issn.1004-7638.2015.02.021
Abstract(69) PDF(4)
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...
Influence of Semicharcoal Substituted for Coke Breeze on Sintering Performance
Wang Runbo, Zhang Jianliang, Wang Zhe, Yu Tao
2015, 36(2): 126-131. doi: 10.7513/j.issn.1004-7638.2015.02.022
Abstract(115) PDF(6)
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...
Physical Modeling Study of Argon Stirring Optimization on 40 t Ladle
Zhang Lechen, Bao Yanping, Guo Baoqi, Chen Jinyang, Fan Jie, Peng Shengtong
2015, 36(2): 132-138. doi: 10.7513/j.issn.1004-7638.2015.02.023
Abstract(197) PDF(17)
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...