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2025, Volume 46,  Issue 2

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Separating and Extracting of Vanadium and Titanium
Research progress on electrolytic extraction and purification of titanium and vanadium molten salts
REN Yiwen, MAO Peizhu, LÜ Xueming, FAN Yong, WANG Zijian, LI Shaolong, LÜ Zepeng, HE Jilin, SONG Jianxun
2025, 46(2): 1-9. doi: 10.7513/j.issn.1004-7638.2025.02.001
Abstract(50) HTML (16) PDF(8)
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As important strategic metals, titanium and vanadium have some common problems such as low efficiency, high energy consumption and high cost in traditional fire or wet extraction and purification processes. Molten salt electrolysis technology provides a new idea for the extraction and purification o...
Thermodynamic evaluation on oxygen potential of V-O solid solution and preparation of metallic vanadium
ZHONG Dapeng, YU Jie, HOU Yong, YU Wenhao, LÜ Xuewei
2025, 46(2): 10-18. doi: 10.7513/j.issn.1004-7638.2025.02.002
Abstract(35) HTML (6) PDF(6)
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Non-metallic element O dissolves in the V lattice to form a V-O solid solution. The oxygen removal limit of the solid solution depends on the oxygen activity and temperature, but currently, there are few studies on the thermodynamic properties of the V-O solid solution. In this paper, based on the S...
Recovery of vanadium and chromium from vanadium precipitation wastewater by membrane separation technology
XIN Yuntao, SONG Kun, WANG Rucheng, TIAN Qinghua
2025, 46(2): 19-25. doi: 10.7513/j.issn.1004-7638.2025.02.003
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In order to recover the valuable metals vanadium and chromium from vanadium precipitation wastewater, this study adopted ethylenediaminetetraacetic acid (EDTA) complexation and membrane separation to treat vanadium precipitation wastewater. The effects of complexation effect, membrane type, water fl...
V2O5 promotes the efficient separation and recycling mechanism of iron and manganese components in ferromanganese ore
LIU Xinyu, WEN Jing, YUAN Shuai, LI Yihong, LIU Zihao, JIANG Tao
2025, 46(2): 26-32. doi: 10.7513/j.issn.1004-7638.2025.02.004
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Due to the similar physical and chemical properties of iron and manganese in ferromanganese ore, it is difficult to achieve efficient separation of iron and manganese components by using existing methods. In this paper, V2O5 was introduced as an additive for mixed roasting with iron-manganese ore, a...
Preparation of VAl55 alloy by vacuum aluminothermy with V 2O3 powder
ZHANG Suxin, CHANG Fuzeng, QI Jian, ZHANG Na
2025, 46(2): 33-38. doi: 10.7513/j.issn.1004-7638.2025.02.005
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Using V2O3 and Al powder as raw materials, AlV55 alloy was prepared by vacuum aluminothermic reduction method. The process of preparing vanadium-aluminum alloy by aluminothermic method was analyzed using thermodynamic software and differential thermal analysis method. The results showed that the the...
adium and Titanium
Effect of different scrap titanium on microstructure and mechanical properties of TC4 alloy ingots
HE Tongzheng, WU Jingxi, LUO Guojun, SHEN Xuanjin, TANG Liying, CHEN Yuyong
2025, 46(2): 39-45, 82. doi: 10.7513/j.issn.1004-7638.2025.02.006
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In this study, TC4 alloy ingots were prepared using surplus titanium plate, titanium chip, surplus titanium billet and high-purity raw material. The suitability of centrifugal casting technology to different scrap titanium was systematically analyzed in terms of composition, microstructure and hardn...
Effect of Aspergillus niger on the corrosion of industrially pure titanium
WANG Wenxi, HOU Fuxing, WANG Jianyun, YANG Zheng, WANG Dan, CHENG Jia
2025, 46(2): 46-52. doi: 10.7513/j.issn.1004-7638.2025.02.007
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The study investigated the influence of Aspergillus niger on the corrosion behavior of industrial pure titanium TA2. Surface analysis techniques, including laser confocal microscopy and scanning electron microscopy, were employed alongside electrochemical analysis methods such as electrochemical imp...
Effect of SLM process parameters and pickling treatment on the porous structure of TC4 titanium alloy
WANG Zhenglun, LIU Yongsheng, LI Wei
2025, 46(2): 53-60. doi: 10.7513/j.issn.1004-7638.2025.02.008
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Based on the three-period minimal surface (TPMS) porous structure of TC4 titanium alloy and the horizontal differences of laser power P, scanning speed v and scanning distance h, a three-factor and three-level orthogonal experiment was designed. On the one hand, the influences of laser selective mel...
Research on hot spinning and pressure forming technology of TC4 titanium alloy gas cylinders
ZHENG Bangzhi, FENG Zhaolong, LIU Yongsheng, WANG Zelong
2025, 46(2): 61-67. doi: 10.7513/j.issn.1004-7638.2025.02.009
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This study employs numerical simulation methods to construct a simulation model of the hot spinning and pressure forming of TC4 titanium alloy gas cylinders, and the reliability of the model is verified through experimental validation. In thermal simulation experiments conducted at three strain rate...
Hot deformation behavior and processing maps of wrought TC21 titanium alloy
HUANG Zhaokuo, TENG Aijun, KANG Qiang, WANG Peng, DONG Entao
2025, 46(2): 68-75. doi: 10.7513/j.issn.1004-7638.2025.02.010
Abstract(18) HTML (9) PDF(2)
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The high-temperature thermal deformation test was carried out by thermal simulation testing machine, and the stress-strain curves of wrought TC21 titanium alloy at temperature 850-1100℃ and strain rate 0.001-10 s−1 were obtained. The effects of deformation temperature and strain rate on the flow str...
Study on the effect of vanadium source on the electrochemical performance of sodium vanadium phosphate cathode materials for sodium-ion batteries
WANG Shiwei, ZHENG Hao, WANG Jinpeng, JIANG Lin
2025, 46(2): 76-82. doi: 10.7513/j.issn.1004-7638.2025.02.011
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A series of Na3V2(PO4)3/C anode materials were synthesized by sol-gel method, using the intermediate products ammonium polyvanadate (APV, NH4V3O8) prepared by different vanadium extraction processes and high-purity vanadium pentoxide as vanadium sources, and Na2CO3, NH4H2PO4, and citric acid as sodi...
Resources Environment and Energy Saving
Study on the granulation of sub-millimeter fine-grade artificial rutile with high-speed stirring
REN Yuqiao, CHEN Feng, YE Endong, GUO Yufeng, ZHANG Meng, WANG Shuai, YANG Lingzhi
2025, 46(2): 83-89. doi: 10.7513/j.issn.1004-7638.2025.02.012
Abstract(39) HTML (10) PDF(1)
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The high-speed stirring process of sub-millimeter fine-grained artificial rutile was studied in this paper. Through testing and comparison, the optimal granulation conditions were determined as follows: NA as an additive, 1.5% NA addition, 20% moisture content, a mixing speed of 300 r/min and 600 r/...
Research on iron separation test of a high chromium vanadium-titanium magnetite in Panxi
CAI Xianyan, CHEN Fulin, LI Shuo, WANG Zhijie, HUANG Yan, ZHONG Xiang, WU Ning
2025, 46(2): 90-96. doi: 10.7513/j.issn.1004-7638.2025.02.013
Abstract(15) HTML (9) PDF(1)
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The mineral characteristics and laboratory discarding tailings and iron separation of a high chromium vanadium-titanium magnetite from Panxi were studied by using Zeiss Sigma 500 scanning electron microscope, Bruker energy spectrometer, AMICS automatic mineral analysis system, sieving, grinding and ...
Preparation and performance of alkali-activated high-titanium heavy slag cementitious materials
LIU Lan, CAO Zhiqin, HE Kui, SUN Xinpo, LIAO Yinghua, YANG Xing, TANG Wenjing, LI Yuting, ZHENG Taobin
2025, 46(2): 97-102. doi: 10.7513/j.issn.1004-7638.2025.02.014
Abstract(18) HTML (9) PDF(2)
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Compared with traditional silicate cement, alkali-activated cementitious materials have advantages such as simple production processes, low investment, low energy consumption, low carbon dioxide emissions, and high slag utilization rates. This study develops alkali-activated high-titanium heavy slag...
Discussion on the preparation of hydrogen-rich reducing gas by coupling metallurgical solid waste oxygen carrier and chemical looping gasification technology
LIU Zhitong, ZHANG Shuhui, LAN Chenchen, LÜ Qing, ZHANG Shuqing, SUN Yanqin
2025, 46(2): 103-111. doi: 10.7513/j.issn.1004-7638.2025.02.015
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The sources of hydrogen and hydrogen-rich reducing gases are the key factors restricting the application of hydrogen energy in the iron and steel industry. However, chemical looping gasification technology can produce high quality hydrogen-rich reducing gases, and this process is mature with low cos...
Ferrous Metallurgy and Materials
Competitive reduction mechanism of vanadium and titanium of vanadium-titanium magnetite metallized pellets smelted by electric arc furnace
GAO Jianjun, DI Lin, WANG Bin, YU Yue, QI Yuanhong
2025, 46(2): 112-117. doi: 10.7513/j.issn.1004-7638.2025.02.016
Abstract(37) HTML (9) PDF(5)
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Vanadium titano-magnetite is a special iron ore resource rich in multiple elements such as iron, vanadium, titanium. The blast furnace process for vanadium titano-magnetite is very mature, but it requires the addition of ordinary iron concentrate, resulting low TiO2 content in the slag, making it di...
Experimental study on hydrogen-carbon synergistic reduction of vanadium-titanium magnetite
ZHANG Shuangwu, XING Xiangdong, ZHAO Guiqing, DAI Wenlin, GUO Penghui
2025, 46(2): 118-126. doi: 10.7513/j.issn.1004-7638.2025.02.017
Abstract(16) HTML (8) PDF(3)
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The study explored the effects of aggregate quantity and reduction temperature on the gas-based reduction metallization rate and compressive strength of vanadium-titanium magnetite through a synergistic reduction method using vanadium-titanium magnetite concentrate powder internally mixed with semi-...
Numerical simulation of slag film distribution in protective slag of ER70-Ti steel crystalliser
WANG Xingjuan, KONG Qichang, PIAO Zhanlong, ZHU Liguang, WEI Tianshuo
2025, 46(2): 127-133. doi: 10.7513/j.issn.1004-7638.2025.02.018
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The CaO-Al2O3-TiO2-based protective slag effectively solves the problem of serious slag interface reaction in the production of ER70-Ti steel, but it is still unknown whether a liquid/solid slag film with reasonable structure can be formed. In this study, the finite element software was used to esta...
The influence of Al2O3 content on the microstructure and properties of low basicity refining slag
HUANG Yongsheng, LÜ Ziyu, GU Chao, BAO Yanping
2025, 46(2): 134-141. doi: 10.7513/j.issn.1004-7638.2025.02.019
Abstract(16) HTML (8) PDF(2)
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The effect of Al2O3 content on the microstructure and properties of low basicity refining slag system CaO-MgO-Al2O3-SiO2 was investigated. The effect of different Al2O3 contents on the microstructure and properties of the low basicity refining slag system was systematically analyzed using molecular ...
Effect of borax on microstructure and viscosity of fluorine-free mold fluxes containing titanium-bearing blast furnace slag
LIU Lei, HAN Xiuli, ZHANG Di, LIU Ziyao, GUO Jingjing
2025, 46(2): 142-150, 117. doi: 10.7513/j.issn.1004-7638.2025.02.020
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To clarify the role of borax as a fluoride substitute in fluoride-free and titanium-bearing mold fluxes, the test samples were prepared using industrial raw materials such as titanium-bearing blast furnace slag, limestone, quartz, soda ash, witherite, and borax. Molecular dynamics simulation and Ram...
3D cellular automaton simulation of the dynamic recrystallization microstructure evolution for a nickel-based superalloy
GONG Yinghui, DING Haochen, WANG Yinghu, ZHANG Chi, ZHANG Liwen, SHENG Zhendong, ZHENG Huaibei, WANG Shijun
2025, 46(2): 151-158. doi: 10.7513/j.issn.1004-7638.2025.02.021
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Dynamic recrystallization usually occurs on nickel-based superalloys during hot deformation, which can refine the initial coarse solidification columnar grains and be served as the theoretical base for controlling the quality of superalloys. Hot deformation tests were conducted on a nickel-based C27...
Preparation of spherical MoNbTaW refractory high entropy alloy powder by RF plasma
ZHAO Yumin, SHI Qi, LIU Binbin, TAN Chong, LIU Xin, ZHOU Ge, DING Zhongyao, QIN Feng
2025, 46(2): 159-168. doi: 10.7513/j.issn.1004-7638.2025.02.022
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MoNbTaW powder prepared by spray granulation was used as raw material to prepare spherical refractory high entropy MoNbTaW alloy powder by RF plasma spheroidization. The effects of spheroidizing power, carrier gas flow and sheath gas composition on the spheroidization rate of powder were studied. Th...
Research on additive repair special powder and process of 921 steel for marine equipment
WANG Yijia, LI Binzhou, DUAN Tao, ZHANG Dayue, SUN Ruiqi, LIU Baoquan
2025, 46(2): 169-174, 181. doi: 10.7513/j.issn.1004-7638.2025.02.023
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In this paper the specialized powder and supporting technology for laser additive manufacturing and repair on the surface of 921 steel had been investigated. By adjusting the alloy composition reasonably a spherical atomized powder with uniform size can be obtained through atomization process. A las...
Effect of austenite grain size on intracrystalline ferrite nucleation in vanadium microalloyed steel
PENG Jing, HE Yueman, FU Tianliang
2025, 46(2): 175-181. doi: 10.7513/j.issn.1004-7638.2025.02.024
Abstract(19) HTML (10) PDF(3)
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A dynamic recrystallization kinetics model of vanadium microalloyed steel at different deformation temperatures and strain rates was established using the DIL805A/D dilatometers for experiments. The variation of ferrite structure in vanadium microalloyed steel with dynamic recrystallization grain si...
Effect of laminar flow cooling process on microstructure and mechanical properties of hot rolled DP600 steel
XIONG Xuegang, CAO Jianchun, ZENG Han, LÜ Bing, CHEN Shu, LIU Yibo, ZHANG Kaihua
2025, 46(2): 182-189. doi: 10.7513/j.issn.1004-7638.2025.02.025
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The CCT curve of DP600 steel was measured and the steel was industrially produced under different laminar flow cooling processes. The effects of cooling rate, air cooling temperature, and coiling temperature on the microstructures and mechanical properties of the steel were studied. The results show...
Fatigue life prediction of Aermet100 steel in the atmosphere
XU Can, TIAN Donghua, WANG Hongli, WU Chengchuan, ZHENG Huaibei, LU Yonghao
2025, 46(2): 190-197. doi: 10.7513/j.issn.1004-7638.2025.02.026
Abstract(16) HTML (8) PDF(1)
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Fatigue is one of the common failure modes of high strength steels in service. Once it occurs, it will cause catastrophic accidents. In this study, the microstructures and high cycle fatigue life of A100 high strength steel in the atmosphere were studied. The results show that the microstructures of...
Material corrosion and prevention of high-pressure piping systems in seawater reverse osmosis desalination plants
XU Ke, XU Guorong, WANG Min, ZHAO Heli, RUAN Guoling
2025, 46(2): 198-204. doi: 10.7513/j.issn.1004-7638.2025.02.027
Abstract(15) HTML (7) PDF(1)
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Seawater desalination is considered one of the most viable and technically feasible strategies for the mitigation of water scarcity in the coastal areas, water quality degradation in the inland regions, and the promotion of green transitions in industrial structure. It is beneficial to the integrate...

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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