2021 Vol. 42, No. 3

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Technical Review
Report on China titanium industry in 2020
Jia Hong, Lu Fusheng, Hao Bin
2021, 42(3): 1-9. doi: 10.7513/j.issn.1004-7638.2021.03.001
Abstract(2076) HTML (1485) PDF(434)
Abstract:
The overall situation of China titanium industry was analyzed in basis of the production capacity, application and import & export amount of titanium concentrate, titanium sponge, titanium ingot and titanium materials in 2020. The existed problems and the corresponding suggestions were also prop...
Production cost of current titanium metallurgical process and possibility of new alternative process
Zhu Hongmin, Xiao Jiusan, Jiao Shuqiang, Lu Xin
2021, 42(3): 10-16, 36. doi: 10.7513/j.issn.1004-7638.2021.03.002
Abstract(1262) HTML (169) PDF(144)
Abstract:
Titanium is currently used as an advanced structural material for its high strength, low density, and excellent corrosion resistance. However, in our daily lives, people are not familiar with titanium metal because we rarely use it. The worldwide annual production of titanium metal is less than 1/30...
Separating and Extracting of Vanadium and Titanium
Solid phase reaction and diffusion behavior of V2O5/Cr2O3-CaO system based on calcification roasting of chromium–containing vanadium slag
Sun Hongyan, Wen Jing, Chen Bojian, Yu Tangxia, Jiang Tao
2021, 42(3): 17-24. doi: 10.7513/j.issn.1004-7638.2021.03.003
Abstract(370) HTML (56) PDF(34)
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The difference in combining ability with calcium between vanadium and chromium in the calcification roasting process of chromium-containing vanadium slag was investigated by V2O5-CaO and Cr2O3-CaO diffusion couples which were prepared by roasting at constant temperature with V2O5, Cr2O3 and CaO as r...
Hydrothermal synthesis of high purity TiO2 from metatitanic acid via short sulfate process
Tian Congxue
2021, 42(3): 25-30. doi: 10.7513/j.issn.1004-7638.2021.03.004
Abstract(389) HTML (274) PDF(45)
Abstract:
High purity titanium dioxide was prepared through the hydrothermal synthesis route, using metatitanic acid as precursor which was hydrolyzed from low concentration industrial titanyl sulfate solution via short sulfate process. The effects of slurry mass concentration, hydrothermal temperature and hy...
Synthesis of anatase TiO2 nanorods with special exposed surface in a novel solvothermal system
Liu Jin
2021, 42(3): 31-36. doi: 10.7513/j.issn.1004-7638.2021.03.005
Abstract(355) HTML (36) PDF(27)
Abstract:
Through a novel solvothermal method, single-crystalline anatase TiO2 nanorods were prepared using tetrabutylammonium hydroxide (TBAH) as the morphology controlling agent. The obtained TiO2 nanorods are dominated by a large percentage of {010} facets on the surface. The short-circuit current density ...
Study on the acidolysis properties of titanium ore recovered from acidolysis residue
Wu Jianchun, Lu Ruifang, Shi Ruicheng
2021, 42(3): 37-43. doi: 10.7513/j.issn.1004-7638.2021.03.006
Abstract(435) HTML (62) PDF(43)
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Using the titanium ore recovered from the acidolysis residue and the conventional titanium concentrate as raw materials, the differences in chemical compositions, phase structures and occurrence states of titanium between the materials were analyzed and compared by chemical analysis, XRD, SEM and li...
Preparation of titanium dioxide from acid leaching solution of high titanium blast furnace slag by boiling hydrolysis
Huang Chen, He Siqi, Tang Yumei, Wang Yan, Sun Hongjuan
2021, 42(3): 44-52, 93. doi: 10.7513/j.issn.1004-7638.2021.03.007
Abstract(386) HTML (147) PDF(40)
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In order to solve the problem of incomplete treatment of high titanium blast furnace slag in Panxi area, the titanium component was extracted by sulfuric acid, and the effects of pH value of base liquid, hydrolysis temperature, feeding rate, aging time and second-boiling time on the hydrolysis rate ...
Simulation on separation of organic impurities in titanium tetrachloride
Huang Senhong, Li Liang
2021, 42(3): 53-57. doi: 10.7513/j.issn.1004-7638.2021.03.008
Abstract(700) HTML (274) PDF(34)
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Aiming at separating the organic impurities in titanium tetrachloride after vanadium removal by organics refining, Aspen P1us software was used to simulate the rectification process of TiCl4, and the design parameters of the rectification column were optimized by sensitivity analysis. The optimal de...
Application of Vanadium and Titanium
Preparation of carbon fiber supported layered TiC/TiO2 catalyst with potassium ion tuning
Feng Xuefan, Wang Huazhong, Wang Xiaoming, Yu Wenrui, Yang Yu, Zhang Fuqin
2021, 42(3): 58-63. doi: 10.7513/j.issn.1004-7638.2021.03.009
Abstract(461) HTML (48) PDF(27)
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A carbon fiber supported layered TiC/TiO2 composite catalyst with heterojunction was prepared by in-situ synthesis with potassium ion (K+) tuning. The prepared catalysts were characterized by FE-SEM, XRD, Raman, XPS and AFM. The photocatalytic degradation of pollutants rhodamine B (RhB) by the catal...
Preparation of spherical titanium-tantalum alloy powder for additive manufacturing by radio frequency plasma
Ying Zhenhong, Tan Chong, Shi Qi, Li Guifa, Zheng Haizhong, Liu Xin
2021, 42(3): 64-73. doi: 10.7513/j.issn.1004-7638.2021.03.010
Abstract(434) HTML (62) PDF(29)
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The titanium-tantalum alloy powder prepared by hydrogen decrepitation process with irregular morphology was spheroidized by radio frequency (RF) plasma. The effects of feeding rate, carrier gas flow rate and sheath gas (He) flow rate on the spheroidization efficiency, powder characteristics and micr...
Construction and growth mechanism analysis of nano oxide tubes on Ti-10Mo-28Nb-3Zr-6Ta alloy
Xu Ying, Xia Pengzhao, Wei Ziyan, Zhao Sitan, Cai Yanqing
2021, 42(3): 74-81. doi: 10.7513/j.issn.1004-7638.2021.03.011
Abstract(351) HTML (44) PDF(24)
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Nano oxide tubes were formed on the surface of Ti-10Mo-28Nb-3Zr-6Ta alloy by anodic oxidation in a mixed solution containing 1 mol/L H3PO4 and 0.9 % NaF at 25 V DC voltage for 120 min. XRD and SEM were used to analyze the structure, morphology and composition of the nano oxide tubes. The results sho...
Influence of shaft shoulder diameter on microstructure and properties of Ti-6Al-4V friction stir welding joint
Ma Shihui, Li Jiyuan
2021, 42(3): 82-87. doi: 10.7513/j.issn.1004-7638.2021.03.012
Abstract(381) HTML (76) PDF(27)
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As an important parameter for the stir head of friction stir welding (FSW), the diameter of the shaft shoulder has an effect on the microstructure and properties of the welded joints. The friction stir welding of Ti-6Al-4V titanium alloy with 2 mm thickness was carried out with different shaft shoul...
Preparation of heat-treated graphite felt electrode material modified by graphene oxide/graphene
Ding Hongyu, Huang Xiuli
2021, 42(3): 88-93. doi: 10.7513/j.issn.1004-7638.2021.03.013
Abstract(825) HTML (125) PDF(74)
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Graphene oxide was prepared by heat treatment of the graphite felt, and the graphene was further obtained on basis of the graphene oxide. The cathode material of all-vanadium redox flow battery was finally prepared by compositing the graphene oxide, graphene and the heat-treated graphite felt. The s...
Preparation and properties of a new vanadium based anode alloy for automotive batteries
Feng Jingxiang, Luo Yuqing, Cao Lixiang
2021, 42(3): 94-98. doi: 10.7513/j.issn.1004-7638.2021.03.014
Abstract(313) HTML (34) PDF(37)
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A new vanadium based negative electrode alloy V65Ti20Ni15 for automotive batteries was prepared by self propagating high temperature synthesis (SHS) with different contents of Al or Cr. The microstructure, electrochemical cycle stability and corrosion resistance of the alloy were tested and analyzed...
Resources Environment and Energy Saving
Study on resource utilization of by-products of chloride titanium dioxide
Dong Linhui, Yu Jinglun, Fan Hao, Zhu Wenyuan, Li Fengting, Fu Zhenyu
2021, 42(3): 99-104. doi: 10.7513/j.issn.1004-7638.2021.03.015
Abstract(455) HTML (52) PDF(40)
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In this paper, a series of new inorganic polymer coagulants (Polymeric Aluminum Ferric Chloride Sulfate, PAFCS) were prepared by using waste hydrochloric acid and chlorinated tail gas absorbing liquid from by-products of the production of titanium dioxide, in combination with industrial aluminum hyd...
Metal chromium preparation and the factors influencing chromium yield
Ye Mingfeng, Shi Qihua, Yu Bin, Chen Haijun
2021, 42(3): 105-110. doi: 10.7513/j.issn.1004-7638.2021.03.016
Abstract(435) HTML (48) PDF(40)
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In this paper the burden parameters and influencing factors of chromium yield in preparing Grade 98 metal chromium with high purity chromium trioxide were studied. The results showed that part of the added reducing agent metal aluminum will enter the product metal chromium. In order to satisfy with ...
Analysis of the strength mechanism of lime-base activated titanium gypsum composite cementitious material
Yang He
2021, 42(3): 111-118. doi: 10.7513/j.issn.1004-7638.2021.03.017
Abstract(376) HTML (98) PDF(36)
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Titanium gypsum, flue gas desulphurization gypsum and titanium slag are used as main raw materials of titanium industrial solid wastes, and lime is used as an alkaline activator to make titanium gypsum composite cementing materials. Orthogonal experiments, combined with XRD, SEM and other analytical...
Experimental study of high carbon ferrochrome slag used in C40 concrete
Yang Fei, Sun Xiaomin
2021, 42(3): 119-124. doi: 10.7513/j.issn.1004-7638.2021.03.018
Abstract(354) HTML (36) PDF(26)
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In this paper the high carbon ferrochrome slag used as coarse and fine aggregate in the preparation of C40 concrete was carried out. The compressive strength and carbonization resistance of concrete containing high carbon ferrochrome slag weree investigated and the solidification effect of hexavalen...
Ferrous Metallurgy and Materials
Influence of basicity on mineralogical microstructure and metallurgical property of sinter in shijiazhuang iron & steel
Liu Lina
2021, 42(3): 125-129. doi: 10.7513/j.issn.1004-7638.2021.03.019
Abstract(593) HTML (84) PDF(35)
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The mineralogical compositions and microstructure of sinter with different basicity had been investigated by means of polarization microscope, and the relationship between the mineralogical microstructure and the metallurgical property of sinter had been analyzed. The result shows that when the basi...
High-temperature simulation of slag foaming induced by various gas sources
Hu Chao, Wang Ruifang, Zhang Bo, Li Mengwei, Liu Chengjun, Jiang Maofa
2021, 42(3): 130-134. doi: 10.7513/j.issn.1004-7638.2021.03.020
Abstract(328) HTML (40) PDF(38)
Abstract:
The effective control of slag foaming has an important practical significance for stability of metallurgical process. In this paper high-temperature simulation of slag foaming induced by interior and exterior gas sources had been conducted. Under present experimental conditions, the following conclu...
Study on preparation of Fe/Fe2SiO4-based cermets by microwave in-situ reduction
Gao Chenbo, Xu Pengfei, Ruan Fei, Li Hongxia
2021, 42(3): 135-142. doi: 10.7513/j.issn.1004-7638.2021.03.021
Abstract(363) HTML (149) PDF(27)
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Fe/Fe2SiO4-based cermets were prepared with magnetic separation iron concentrate as the main raw material and kaolin as the additive by means of microwave in-situ reduction. The theoretical basis, main technical route, and reaction mechanism of iron-based cermets developed by using microwave heating...
Diffusional characteristics of atoms during the formation of titanium carbides
Lv Yanan, Chen Dong
2021, 42(3): 143-147. doi: 10.7513/j.issn.1004-7638.2021.03.022
Abstract(485) HTML (43) PDF(53)
Abstract:
To clarify the formation mechanism of metal carbide precipitate in ferroalloy and solve the limitation that macro experiments cannot directly study the initial stage of carbide deposition, the diffusional characteristics of titanium and carbon atoms are studied during the formation process of nanosc...
Effect of heat treatment process on microstructure and hardness of Cr12MoV steel
Du Simin, Li Xiong, Lin Faju
2021, 42(3): 148-154. doi: 10.7513/j.issn.1004-7638.2021.03.023
Abstract(1543) HTML (299) PDF(80)
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In this paper the effect of ordinary heat treatment and cryogenic treatment on the microstructure and hardness of Cr12MoV steel had been investigated by microstructure observation using a metallographic microscope, the retained austenite determination by XRD, and the hardness measurement . The resul...
High-temperature tribological properties of AlFeCrCoNiTi high-entropy alloy coatings laser cladded with different parameters
Cui Shaowei, Wang Shuqi, Jiang Wei, Liu Xiyan
2021, 42(3): 155-161, 192. doi: 10.7513/j.issn.1004-7638.2021.03.024
Abstract(275) HTML (31) PDF(26)
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Some coatings were laser cladded on H13 steel and the micro-structure and hardness of the coatings were analyzed. The high-temperature tribological performance of H13 steel and each coating was studied by a pin-plate high-temperature wear testing machine. The analysis of the micro-morphology, compos...
Study on the carbide refining technology of semi high speed steel for cold roller
Lin Faju, Li Xiong, Wu Chengchuan
2021, 42(3): 162-171. doi: 10.7513/j.issn.1004-7638.2021.03.025
Abstract(340) HTML (55) PDF(27)
Abstract:
Based on the results of thermos-Calc calculation and in-situ observation, the carbide refinement technology of 95Cr5mMoV cold roll semi high speed steel was studied. The equilibrium solidification carbides of 95Cr5MoV semi high speed steel mainly include MC, M7C3 and M23C6. Among them, M23C6 carbide...
Current research status of numerical simulation for laser cladding process
He Kui, Cao Zhiqin, Wang Yuekun, Zhang Xuefeng
2021, 42(3): 172-179. doi: 10.7513/j.issn.1004-7638.2021.03.026
Abstract(1172) HTML (75) PDF(119)
Abstract:
Laser cladding is a new type of additive manufacturing and surface repair technology, which has become research hotspot in the industrial field. High performance alloy coating prepared by laser cladding technology can significantly improve the wear resistance, corrosion resistance and service life o...
Effect of tellurium on the deformation of sulfides in rolling process
Shen Ping, Wang Dong, Zhang Hao, Yang Qiankun, Ai Kenan, Zeng Zhiqi, Fu Jianxun
2021, 42(3): 180-186. doi: 10.7513/j.issn.1004-7638.2021.03.027
Abstract(449) HTML (64) PDF(23)
Abstract:
Modification of MnS inclusion by Te is one of the most efficient methods to improve the morphology and distribution of MnS inclusions. However, previous researches did not generate acceptable opinions on the deformation behaviors of MnS inclusions during the rolling process after adding Te. In the p...
Study on microalloying and heat treatment process of spring steel 55SiCrV
Meng Jian
2021, 42(3): 187-192. doi: 10.7513/j.issn.1004-7638.2021.03.028
Abstract(961) HTML (153) PDF(108)
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In this paper 55SiCrV steel was obtained by V microalloying based on the composition of 55SiCr spring steel, the effect of heat treatment on the microstructure and mechanical properties of 55SiCrV was studied by means of orthogonal test of quenching and tempering, microstructure observation, mechani...
Performance optimization of die casting aluminum alloy containing vanadium for mechanical parts
Wu Gang, Liu Zhiqiang
2021, 42(3): 193-198. doi: 10.7513/j.issn.1004-7638.2021.03.029
Abstract(274) HTML (35) PDF(25)
Abstract:
The die-casting experiments of Al-10Si-2.5Cu-0.3V die-casting aluminum alloy containing vanadium for mechanical parts were carried out with different injection ratio and injection speed, and the mechanical properties and wear resistance of the alloy were tested and analyzed. The results show that th...
Research on non-metallic inclusions in high-speed wheel steel
Li Xiangyang, Wu Wangpeng, Chen Yan, Zhao Hai, Shen Chang, He Yizhu
2021, 42(3): 199-204. doi: 10.7513/j.issn.1004-7638.2021.03.030
Abstract(458) HTML (67) PDF(24)
Abstract:
In order to reduce the adverse effects of brittle Al2O3 inclusions on the fatigue properties of high-speed wheel steels, plastic inclusions are usually used to wrap the brittle inclusions. In order to evaluate the wrapping state of wrapped inclusions in high-speed wheel steel, scanning electron micr...

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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