2021 Vol. 42, No. 1

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Separating and Extracting of Vanadium and Titanium
In-situ preparation of VS4 from vanadium-containing leaching solution of vanadium chromium slag
Wen Jing, Shapkat Arken, Jiang Tao
2021, 42(1): 1-7. doi: 10.7513/j.issn.1004-7638.2021.01.001
Abstract(507) HTML (55) PDF(58)
Abstract:
At present, the traditional vanadium extraction process is still based on the preparation of vanadium products for steel and chemical industries. In order to promote the deep processing of vanadium products, a new technology of in-situ preparation of high value-added material VS4 from vanadium leach...
Review on research progress of high purity vanadium pentoxide preparation by chlorination process
Li Zhuochen, Du Guangchao, Fan Chuanlin, Zhu Qingshan
2021, 42(1): 8-15, 92. doi: 10.7513/j.issn.1004-7638.2021.01.002
Abstract(1342) HTML (282) PDF(258)
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As a crucial raw material for all-vanadium redox flow battery(VRFB), the high purity vanadium pentoxide (V2O5) is under an increasingly urgent demand with the rapid development of VRFB in recent years. Based on this background, a plenty of processes have been proposed for high purity V2O5 preparatio...
Simulation and experimental study on ultrasonic spray pyrolysis of ultrafine vanadium dioxide powder
Xin Yanan, Peng Sui, Liu Bo
2021, 42(1): 16-23. doi: 10.7513/j.issn.1004-7638.2021.01.003
Abstract(572) HTML (142) PDF(73)
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For the spray pyrolysis process, the device was optimized by computational fluid dynamics (CFD) method. Through comparison and analysis, the heat preservation optimization was adopted for the inlet and outlet sections of the tubular furnace to improve the uneven temperature and velocity field distri...
Study on selective separation of vanadium, titanium and tungsten from spent SCR denitration catalyst
Zhang Zhenquan, Zhao Beibei, Li Lanjie, Dong Zihui, Bai Ruiguo, Wang Haixu
2021, 42(1): 24-31. doi: 10.7513/j.issn.1004-7638.2021.01.004
Abstract(700) HTML (252) PDF(69)
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Titanium was selectively separated from waste SCR catalyst by NaOH leaching, HCl leaching and sodium carbonate roasting followed by water leaching, respectively. The results show that titanium can be separated from vanadium and tungsten by sodium carbonate roasting and water leaching of the catalyst...
Study on reduction of panxi titanium ore pellets by coke oven gas
Ye Endong, Liu Juan, Hu Yuanjin
2021, 42(1): 32-37. doi: 10.7513/j.issn.1004-7638.2021.01.005
Abstract(348) HTML (85) PDF(30)
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Aiming at the problem that Panxi titanium concentrate is difficult to be directly added into furnace due to the fine particle size, the process of reducing the pellets prepared from the titanium ore by coke oven gas was proposed. And the comparative experiments between the pellets and titanium conce...
Study on technology for preparation of high-purity vanadium pentoxide for aviation materials
Liu Chao, Li Haijun, Zhu Jianyan, Hu Zhiwei
2021, 42(1): 38-42. doi: 10.7513/j.issn.1004-7638.2021.01.006
Abstract(742) HTML (158) PDF(50)
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Based on the process for production of high purity vanadium pentoxide from low grade vanadium slag, a systematic research was carried out for improving the vanadium recovery rate, the grade of ammonium polyvanadate and vanadium pentoxide, and decreasing the material and energy consumption as well as...
Application of Vanadium and Titanium
Application of rutile nano titanium dioxide in coatings
Wu Jianchun
2021, 42(1): 43-49. doi: 10.7513/j.issn.1004-7638.2021.01.007
Abstract(663) HTML (516) PDF(125)
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Based on the morphology and particle size analyses of nano-TiO2 by transmission electron microscopy (TEM), the nano-TiO2 was respectively made into latex paint, automobile paint, furniture paint and anti-corrosion paint to investigate the weather resistance and optically variable property. The resul...
Effect of heat treatment process on microstructure and properties of titanium alloy tubing
Li Zhoubo, Zhao Yong, Gao Mengzhao, Huang Xiaojiang, Yuan Qingying
2021, 42(1): 50-54. doi: 10.7513/j.issn.1004-7638.2021.01.008
Abstract(334) HTML (77) PDF(19)
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The effect of heat treatment process on the microstructure and properties of titanium alloy oil well tubes was studied by means of optical microscope, scanning electron microscope, tensile testing machine and impact testing machine. The results show that the solid solution temperature has a great in...
Effect of TiO2 on viscosity and structure of high-temperature slag wool melts
Lu Xi, Pang Zhuogang, Zhang Lianzeng, Xing Xiangdong, Gao Ming, Ning Shunli
2021, 42(1): 55-59. doi: 10.7513/j.issn.1004-7638.2021.01.009
Abstract(283) HTML (89) PDF(38)
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In order to study the effect of TiO2 on the viscosity of high-temperature slag wool melts, the CaO–MgO–Al2O3–SiO2–TiO2 based slag system was used as the research object. And the viscosity variation of the slag wool melt with the acidity coefficient of 1.4 was systematically studied by using the cyli...
Effect of HCl and H2SO4 on SiO2 coating of rutile titanium dioxide
Liu Chan, Lu Ruifang, Yang Fang, Cheng Xiaozhe
2021, 42(1): 60-64. doi: 10.7513/j.issn.1004-7638.2021.01.010
Abstract(267) HTML (61) PDF(18)
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Using sodium silicate as the coating agent for rutile titanium dioxide from chlorination process, the relationship between the pigmentary properties of the coated titanium dioxide and the addition amount of hydrochloric acid used for pH adjustment during the coating process, was investigated firstly...
Preparation and performance optimization of Co-doped high-titanium blast furnace slag as photocatalytic material
Huo Hongying, Zou Min
2021, 42(1): 65-69. doi: 10.7513/j.issn.1004-7638.2021.01.011
Abstract(421) HTML (97) PDF(32)
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In order to realize the comprehensive utilization of high-titanium blast furnace slag without titanium extraction, cobalt doped photocatalyst was prepared via liquid phase method followed by sintering using Pangang high-titanium blast furnace slag and cobalt nitrate as raw materials. The influences ...
Effect of Ta on microstructure and corrosion resistance of TA23 alloy
Sang Biao, Han Wenwu, Li Le, Wang Qi
2021, 42(1): 70-74. doi: 10.7513/j.issn.1004-7638.2021.01.012
Abstract(388) HTML (74) PDF(35)
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The effect of Ta element on the microstructure, phase compositions, microhardness and corrosion resistance of TA23 alloy was investigated by means of optical microscopy, X-ray diffraction, Vickers hardness tester and electrochemical workstation. The results show that the proportion of primary α phas...
Resources Environment and Energy Saving
Study on adsorption of nitrogen oxide in sintering flue gas by modified activated carbon
Cai Jianyu, Peng Zhaofeng, Song Liyun, Hou Huanyu, Li Jian
2021, 42(1): 75-82. doi: 10.7513/j.issn.1004-7638.2021.01.013
Abstract(1000) HTML (244) PDF(52)
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Potash (K2CO3) modified activated carbon was prepared with coal activated carbon as raw material. Under simulated sintering flue gas conditions, the effect of NOx adsorption under the condition with SO2, CO2 and O2 was investigated. Experimental results show that 0.65 mol/L K2CO3 modified activated ...
Experimental studies on reduction desulfurization of FGD gypsum from iron ore sintering process using CO/H2
Zuo Dawen, Gong Lei, Wei Jie, Deng Bo, Shao Xing, Yang Shishan
2021, 42(1): 83-92. doi: 10.7513/j.issn.1004-7638.2021.01.014
Abstract(259) HTML (84) PDF(32)
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The thermodynamic equilibrium of CO/H2 reduction of CaSO4 was calculated through software FactSage 7.3. The optimum theoretical conditions for generation of CaO and SO2 by CO/H2 reduction of CaSO4 were obtained at more than 1100 ℃ of reaction temperature and mole ratio of n(CO)∶n(CaSO4)=1 or n(H2)∶n...
Research and modeling on thermal conductivity of high temperature heat storage material based on vanadium tailings
Piao Rongxun, Li Xuan, Ji Ying
2021, 42(1): 93-99. doi: 10.7513/j.issn.1004-7638.2021.01.015
Abstract(345) HTML (63) PDF(20)
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Using vanadium tailings as the base material, high silicon containing clay as auxiliary material and graphite material as modifier, the preparation of the high temperature sensible heat storage materials was carried out by means of carbon thermal reduction followed by powder metallurgy. The effects ...
Preparation of permeable brick for sponge city from vanadium titanium blast furnace slag and lead slag
Liu Haijun
2021, 42(1): 100-105, 183. doi: 10.7513/j.issn.1004-7638.2021.01.016
Abstract(303) HTML (58) PDF(34)
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Permeable brick with high flexural strength and high porosity were prepared by pressure forming-pressureless sintering respectively using vanadium and titanium blast furnace slag and lead slag as raw materials and sawdust as pore-forming agent. The effects of formula compositions, sawdust addition a...
Ferrous Metallurgy and Materials
Investigation on the bulging deformation of continuously cast wide-thick slab with numerical calculation method
Ma Xiaotao, Wu Chenhui, Xie Xin, Wu Guorong, Zhang Min, Zeng Jianhua, Ji Chen
2021, 42(1): 106-112. doi: 10.7513/j.issn.1004-7638.2021.01.017
Abstract(372) HTML (179) PDF(54)
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In continuous casting process, bulging deformation of the solidified shell occurs due to the ferrostatic pressure, which influences the smooth production and the internal quality of the continuously cast steel. In the present work, the continuously casting wide-thick slab was taken as the research o...
Effect of externally added TiO2 particles on microstructure and inclusions of medium and low carbon steel
Wu Xiaoyan, Li Qiuping, Mo Wenling, Zhang Qingjun, Zhu Liguang
2021, 42(1): 113-118. doi: 10.7513/j.issn.1004-7638.2021.01.018
Abstract(357) HTML (56) PDF(14)
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TiO2 particles was added into the medium and low carbon liquid steel remelted by aHLLG1217 type high temperature resistance furnace. The microstructure, inclusion morphology and composition analysis had been investigated by an automatic metallurgical microscope, field emission S-4800 scanning electr...
Effect of Ca-Mg compound modifier on microstructure and plasicity in cold-rolled high strength steel
Li Yuanyuan, Zhen Weijing, Li Yongliang, Yan Zhijie
2021, 42(1): 119-125. doi: 10.7513/j.issn.1004-7638.2021.01.019
Abstract(278) HTML (63) PDF(12)
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The influence mechanism of Ca-Mg compound modifier on TiN precipitation in ingot of producing ultra-high cold-rolled strength steel were studied by means of optical microscope (OM), transmission electron microscope (TEM) and electron backscatter diffraction (EBSD), etc. Andmicrostructure hereditary ...
Effects of EMS on the dendritic structure and homogeneity of rail steel
Li Hongguang, Chen Tianming, Chen Liang, Li Jianquan, Zhong Hua
2021, 42(1): 126-130. doi: 10.7513/j.issn.1004-7638.2021.01.020
Abstract(651) HTML (236) PDF(45)
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In order to optimize the homogeneity and compactness of rail steel, the effects of continuous casting electromagnetic stirring on the dendritic structure and homogeneity of rail steel was analyzed by industrial experiments. The results show that blooms produced without electromagnetic stirring have ...
Development of X80M hot-rolled steel plate for LSAW pipe
Zhai Dongyu, Du Haijun, Wu Junping, Jiang Jinxing, Liu Shuai
2021, 42(1): 131-138. doi: 10.7513/j.issn.1004-7638.2021.01.021
Abstract(273) HTML (226) PDF(24)
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In order to meet the requirements for annual transportation of 45 billion cubic meters of the China-Russian Eastern Line and the demand for construction of major national pipelines in extremely cold regions at −40 ℃, NISCO has tested and developed Φ1422 mm×32.1 mm straight seam submerged arc welded ...
Effect of vanadium content on microstructure and properties of W6Mo5Cr4Vx high speed steel for bit
Wang Zhenguang
2021, 42(1): 139-143. doi: 10.7513/j.issn.1004-7638.2021.01.022
Abstract(292) HTML (160) PDF(27)
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In this paper, different content of vanadium was added to W6Mo5Cr4Vx high speed steel for bit, and the microstructure, wear resistance and corrosion resistance were tested and analyzed. The results show that the addition of vanadium can improve the wear resistance and corrosion resistance of high sp...
Study on inclusions and microstructure of 55SiCrA spring steel wire rod
Wang Ning, Peng Hongbing, Tang Yao, Xie Zhen, Chen Kai
2021, 42(1): 144-149. doi: 10.7513/j.issn.1004-7638.2021.01.023
Abstract(351) HTML (141) PDF(26)
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Inclusions and microstructure of 55SiCrA spring steel wire rod were studied by means of OM, SEM-EDS and Factsage software. The results show that the microstructure, central segregation, thickness of decarburized layer and grain size of spring steel wire rod in the three plants at home and abroad are...
Effect of Nb on hot rolled microstructure and texture of low temperature oriented silicon steel
Hao Baichuan, Feng Yunli
2021, 42(1): 150-154. doi: 10.7513/j.issn.1004-7638.2021.01.024
Abstract(290) HTML (59) PDF(29)
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The effect of niobium on the microstructure and texture of low temperature oriented silicon steel was studied by OM and EBSD. The results show that the grain size of Nb-bearing hot rolled sheet is finer than that of Nb free oriented silicon steel, and the microstructure gradient along the thickness ...
Effect of titanium on microstructure and properties of steel 22MnB5 for automobile
Wang Gong, Ji Guoshun
2021, 42(1): 155-159. doi: 10.7513/j.issn.1004-7638.2021.01.025
Abstract(557) HTML (154) PDF(20)
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The titanium microalloyed automobile steel samples were prepared by adding different content of titanium into 22MnB5 steel, and then the microstructure, mechanical properties and corrosion resistance of the samples were tested and analyzed. The results show that the addition of titanium is beneficia...
Effect of ferrite thermal insulation on microstructure and mechanical properties of vanadium microalloyed HRB500 steel rebar
Lv Yuan, Qi Haiquan, Sui Wenjie, Shi Daimin, Xie Guoqing
2021, 42(1): 160-163. doi: 10.7513/j.issn.1004-7638.2021.01.026
Abstract(284) HTML (58) PDF(9)
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The thermal simulation compression experiment of austenite deformation and ferrite area insulation was carried out on HRB500 steel rebar by a Gleeble3500 simulator, and the effect of ferrite area insulation technology on microstructure and properties of HRB500 steel rebar was studied. The results sh...
Effects of heat treatment process on microstructure and iron loss of 0.25% Si non-oriented silicon steel sheets containing niobium
Zhang Wenyue, Zhang Feng
2021, 42(1): 164-169. doi: 10.7513/j.issn.1004-7638.2021.01.027
Abstract(265) HTML (106) PDF(17)
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The microstructure and mechanical properties can be greatly improved by adding proper niobium concentration in liquid steel, but the magnetic properties will sharply decrease as the increase of niobium concentration in non-oriented silicon steel sheets. So far, the formation state and effect mechani...
Effect of deformation temperature and cooling rate on microstructure and properties of microalloyed 82B wire rod
Li Zhengjie, Li Zhipan
2021, 42(1): 170-175. doi: 10.7513/j.issn.1004-7638.2021.01.028
Abstract(325) HTML (89) PDF(26)
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The deformation temperature and cooling rate of microalloyed 82B wire rod were studied by means of thermal simulator, metallographic microscope and universal testing machine in this paper. Experiment results show that the rapid cooling rate can promote the precipitation of the second phase containin...
Analysis on split-head cracking of Y1Cr13 stainless rolled bar
Wu Liangping, Sun Han, Xie Jianbo, Wu Xiangyu, Fu Jianxun
2021, 42(1): 176-183. doi: 10.7513/j.issn.1004-7638.2021.01.029
Abstract(564) HTML (168) PDF(209)
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In order to find out the causes of split-head cracking of Y1Cr13 stainless steel in the rolling process, the splitting samples of steel were analyzed and characterized from the view of inclusions microstructure with a metallographic microscope, a scanning electron microscope and the method of electr...
Research on cracking mechanism of girth and weld straightening of grade 800 MPa automobile torsion beam steel
Li Yongliang, Kuang Shuang, Jia Lihui, Wang Yunhui, Chen Tong, Ju Weifeng, Zhang Yuwen, Zheng Yaxu
2021, 42(1): 184-190. doi: 10.7513/j.issn.1004-7638.2021.01.030
Abstract(263) HTML (115) PDF(20)
Abstract:
The cracking mechanism of grade 800 MPa steel for automobile torsion beam during girth and weld straightening were studied by OM, SEM, TEM and EBSD. Thermos-Calc thermodynamic software and J Mat Pro software were used to calculate equilibrium precipitated phase in steel and TTT curves. The microstru...

Address：Editorial Department of Iron Vanadium Titanium Steel, Technology Development Research Center, Research Institute of Panzhihua Group Co., Ltd., No. 90 Taoyuan Street, East District, Panzhihua City, Sichuan Province (617000)

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