2023 Vol. 44, No. 3

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Separating and Extracting of Vanadium and Titanium
Report on China titanium industry in 2022
An Zhongsheng, Chen Yan, Zhao Wei
2023, 44(3): 1-8. doi: 10.7513/j.issn.1004-7638.2023.03.001
Abstract(3225) HTML (468) PDF(922)
Abstract:
The overall situation of China titanium industry was analyzed on the basis of capacity, output, application, and import and export amount of titanium concentrate, titanium sponge, titanium ingot and titanium materials in 2022. The existed problems and the corresponding suggestions were also proposed...
Separation of V and Mn in calcification roasting-acid leachate of V slag by simultaneous amine extraction and CO2 mineralization
Hu Ke, Han Huiguo, Wu Pan, He Jian, Jiang Wei, Liu Changjun, Liang Bin
2023, 44(3): 9-15. doi: 10.7513/j.issn.1004-7638.2023.03.002
Abstract(323) HTML (143) PDF(17)
Abstract:
The efficient separation of vanadium and manganese from an acid leachate of the calcification roasting vanadium slag is quite difficult and costly, particularly for those leachates with high vanadium and manganese concentrations. A novel process was investigated for the separation of vanadium and ma...
Biomass pyrolysis product-enhanced selective reduction-magnetic separation of iron sand
Huang Zhucheng, Shu Yang, Li Yixin, Tang Tingting, Xie Chenxi
2023, 44(3): 16-22. doi: 10.7513/j.issn.1004-7638.2023.03.003
Abstract(285) HTML (95) PDF(11)
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Using clean, carbon neutral, highly reactive and renewable biomass as a reducing agent, limiting the escape of pyrolysis products by hermetic gas plugs, the direct reduction behavior of the biomass allotted within the iron sand was studied. The results show that a pressure of 60 kPa is rapidly devel...
Production of high-purity rutile titanium dioxide by leaching water-quenched titanium-bearing blast furnace slag with hydrochloric acid
Huang Xianliang, Zhong Shan, Tang Siyang, Song Lei, Li Hongjiao, Liang Bin
2023, 44(3): 23-32. doi: 10.7513/j.issn.1004-7638.2023.03.004
Abstract(269) HTML (125) PDF(29)
Abstract:
Hydrochloric acid method was used for the leaching of water-quenched titanium-bearing blast furnace slag in this work. According to the leaching and solid-liquid separation process, valuable elements including titanium and aluminum were concentrated in the solution. With further hydrolysis and preci...
Preparation of titania with high surface area by industrial titanyl sulfate solution and its properties study
Pu Hong, Zhang Huan
2023, 44(3): 33-38. doi: 10.7513/j.issn.1004-7638.2023.03.005
Abstract(373) HTML (192) PDF(25)
Abstract:
Titania with high surface area was prepared by hydrothermal method using industrial titanyl sulfate solution as raw material. The influence of hydrothermal reaction time and calcination temperature on the specific surface area of titania were investigated. The samples were characterized by BET, XRD,...
Study on the effect of coke particle size on titanium slag smelting
Li Kaimao, Xiao Jun, Ma Yong, Song Bing, Qiu Shuxing
2023, 44(3): 39-44. doi: 10.7513/j.issn.1004-7638.2023.03.006
Abstract(250) HTML (48) PDF(19)
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According to the characteristics of free settling movement of particles in the fluid, the theoretical calculation results show that the maximum size of coke particles taken out under the condition of continuous feeding smelting titanium slag is 0.06 mm. Combined with the industrial application, the ...
Application of Vanadium and Titanium
Effect of intermediate pass annealing on the microstructures and properties of Ti-3Al-2.5V tubes
Zhu Xiaoyong, Xing Yuan, Jiang Jian, Wang Ying, Luan Baifeng
2023, 44(3): 45-51. doi: 10.7513/j.issn.1004-7638.2023.03.007
Abstract(508) HTML (184) PDF(159)
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By using EBSD and TEM techniques, the microstructures of the deformation and annealed samples were characterized. After that, the recrystallization process of the tubes during the heat treatments was examined, and the changes in the texture during the various heat treatments were analyzed using pola...
Effects of mean load and load amplitude on biaxial dwell fatigue behavior of commercial pure titanium
Hu Changqun, Zhao Jiayu, Chang Le, Zhou Changyu, He Xiaohua
2023, 44(3): 52-60. doi: 10.7513/j.issn.1004-7638.2023.03.008
Abstract(257) HTML (86) PDF(19)
Abstract:
Based on biaxial dwell fatigue tests at room temperature, effects of different mean loads and load amplitudes on the biaxial dwell fatigue behavior of commercial pure titanium were studied. The results show that the mean strain and strain rate increase with the increase of mean load and load amplitu...
Research on the preparation of Al-Ti-B master alloy
Li Jun, Wu Enhui, Hou Jing, Xu Zhong, Li Hong, Gong Hao
2023, 44(3): 61-67. doi: 10.7513/j.issn.1004-7638.2023.03.009
Abstract(379) HTML (75) PDF(28)
Abstract:
Al-Ti-B master alloy is commonly used as grain refining agent to endow aluminum with better organizational properties. In this paper, TiO2 and B2O3 are used as raw materials for the one-step synthesis of Al-Ti-B master alloy by aluminum thermal reduction. The results show that Al-Ti-B master alloy w...
Effects of pre-strain on tensile mechanical properties of commercially pure titanium TA2 welded joint
Zhao Qing, Chang Le, Zhou Changyu, Pu Jiang, Zheng Yixiang, Wang Zhicheng, Wang Bumei
2023, 44(3): 68-74. doi: 10.7513/j.issn.1004-7638.2023.03.010
Abstract(347) HTML (80) PDF(13)
Abstract:
In this paper, room temperature tensile mechanical properties of commercially pure titanium TA2 welded joint after pre-straining were studied. The results show that stress-strain curves rises and yield strength and tensile strength increase with the degree of pre-strain. With considering effects of ...
Effect of pickling on surface contamination layer and chemical composition of ZTA15 titanium alloy
Han Yunfei, Sun Bing, Liu Yihui, Hou Peihua, Yuan Bingbing, Qiao Haibin
2023, 44(3): 75-79. doi: 10.7513/j.issn.1004-7638.2023.03.011
Abstract(228) HTML (41) PDF(16)
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The ZTA15 titanium alloy test bars were prepared by investment casting technology. The thickness of the surface contamination layer was observed and measured by metallography, and then the pickling amount was determined. Before and after pickling, the removal of the contaminated layer was determined...
Study on property and microstructure of Ti-6Al-4V extrusion
Teng Kui
2023, 44(3): 80-83. doi: 10.7513/j.issn.1004-7638.2023.03.012
Abstract(207) HTML (273) PDF(17)
Abstract:
Properties and microstructure tests were carried out in Ti-6Al-4V extrusion under different transections to investigate the strength, damage tolerance and fatigue behaviors of different thickness of extrusion, as well as the contrastive analysis on microstructure of Ti-6Al-4V extrusion. The results ...
Review on technology developments of titanium-steel clad plates based on global patent analysis
Zhang Weina, Li Jun, Peng Lin, Wu You, Liang Guangfen
2023, 44(3): 84-92. doi: 10.7513/j.issn.1004-7638.2023.03.013
Abstract(304) HTML (66) PDF(17)
Abstract:
The development of key technologies of titanium-steel clad plates is reviewed based on a comprehensive mining of global patent applications. The results show that China and Japan are the major technology sources of titanium-steel clad plates. While Japan started earlier, China later rank first in pa...
Study on the strength and toughness mechanism of multilayered gradient ultrafine-grained titanium
Liu Jiawen, Fang Hongmei, Cao Lili, Zhang Ya, Yang Dengke
2023, 44(3): 93-99. doi: 10.7513/j.issn.1004-7638.2023.03.014
Abstract(226) HTML (52) PDF(10)
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In view of the poor toughness and work hardening performance of ultra-fine grained (UFG) metals at room temperature, we designed and prepared the micro multilayer hierarchical structure (MHS) of metal materials using low-temperature rolling and surface mechanical attrition treatment (SMAT) processes...
Resources Environment and Energy Saving
Mechanism analysis of the production of sublimated sulfur in the tail gas of acidolysis of titanium concentrate
Xiang Quanjin, Quan Yuanxia, Quan Xuejun, Li Li, Wang Haibo, Chen Xinhong, Li Ping
2023, 44(3): 100-104. doi: 10.7513/j.issn.1004-7638.2023.03.015
Abstract(308) HTML (85) PDF(26)
Abstract:
In order to prevent the continuous production of titanium dioxide from being blocked by sublimated sulfur in the process of titanium dioxide acidolysis by sulflate process, this paper starts from the structural composition analysis of titanium concentrate, combined with the main chemical reactions t...
Preparation and properties of calcium silicate sound insulation board from vanadium-titanium iron ore tailings
Wang Changlong, Jing Jianlin, Qi Yang, Zhang Yuewen, Zheng Yongchao, Ma Jintao, Ping Haoyan, Zhai Yuxin, Liu Feng
2023, 44(3): 105-113. doi: 10.7513/j.issn.1004-7638.2023.03.016
Abstract(208) HTML (66) PDF(10)
Abstract:
In order to promote the comprehensive utilization of vanadium-titanium iron ore tailings (VTIOTs) with weak gelling activity, the preparation of calcium silicate sound insulation board (CSSB) using VTIOTs as the main raw material was investigated. Through particle size analysis, mechanical propertie...
Experimental study on iron concentrate separation from a low-grade vanadium-titanium magnetite in Panxi area
Cao Yuchuan
2023, 44(3): 114-117. doi: 10.7513/j.issn.1004-7638.2023.03.017
Abstract(295) HTML (44) PDF(15)
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In order to reduce the grinding cost and improve the grade of iron concentrate, the mineral composition, occurrence state of main elements and distribution characteristics of main minerals of the ore were studied by means of chemical analysis, optical microscopy, automatic mineral analyzer (MLA) com...
Experimental study on mechanical properties of high-titanium heavy slag tunnel shotcrete
Yang He, Chen Wei, Ma Shuangshi, Xie Xiaopeng, Li Fuliang, Guo Junhuai
2023, 44(3): 118-122. doi: 10.7513/j.issn.1004-7638.2023.03.018
Abstract(283) HTML (115) PDF(10)
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Using high-titanium heavy slag as aggregate to make high-titanium heavy slag tunnel shotcrete. Experiments show that when the content of fly ash and steel fiber is constant, within the range of water-binder ratio of 0.34 to 0.4, the suitable water-binder ratio of high titanium heavy slag tunnel shot...
Ferrous Metallurgy and Materials
Study on the corrosion behavior of a 600 MPa corrosion-resistant steel barin a chloride environment
Li Pei, Yuan Jing, Huang Jixiang, Yan Bo, Yin Shubiao, Lei Ting
2023, 44(3): 123-130. doi: 10.7513/j.issn.1004-7638.2023.03.019
Abstract(435) HTML (186) PDF(125)
Abstract:
The effect of Cr and V elements on the corrosion behavior of the ordinary 600 MPa grade high-strength seismic steel bar HRB600E and the same grade corrosion-resistant steel bar after alloy regulation was studied by the cyclic immersion tests, electrochemical tests, surface analysis, and phase analys...
Dynamic in-situ observation of solidification process of GH5188 alloy
Jiang Shichuan, Zhang Jian, Pei Binghong, Chen Qi, Wang Fu
2023, 44(3): 131-137. doi: 10.7513/j.issn.1004-7638.2023.03.020
Abstract(502) HTML (130) PDF(29)
Abstract:
The solidification process of the GH5188 alloy at cooling rates of 10-200 ℃/ min was dynamically in-situ observed by high-temperature confocal laser scanning microscopy (CLSM). The effects of cooling rates on the solidification process, structure and precipitates of the GH5188 alloy were studied. Th...
Effect of tempering temperature on microstructure and impact properties of low-carbon high-alloy bearing steel
Wu Zhiwei, Wu Xueting, Zhang Jun, Li Wei
2023, 44(3): 138-143. doi: 10.7513/j.issn.1004-7638.2023.03.021
Abstract(382) HTML (106) PDF(20)
Abstract:
The effect of tempering temperature on microstructure and impact toughness of low-carbon, high-alloy bearing steel was studied by OM, SEM, and XRD. The results show that the metallographic microstructure for the low-carbon, high-alloy bearing steel consisted of tempered martensite and retained auste...
Optimization of flow control device on twin channel induction heating tundish by simulation
Gao Wenxing, Yuan Jibai, He Junfeng, Liang Richeng, Li Yuanyuan
2023, 44(3): 144-151. doi: 10.7513/j.issn.1004-7638.2023.03.022
Abstract(220) HTML (74) PDF(11)
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In order to solve the problems of low volume utilization, short average residence time and poor consistency of each flow of the twin channel induction heating tundish without flow control devices, weirs with different diversion holes and heating twin channels were designed. The flow field and temper...
Control and research on original lump carbides and their inheritance of continuous casting bearing steel billets
Xu Bin, Cheng Pengfei, Xiao Guohua, Jin Guobing, Hao Zhichao, Chen Tao, Sun Junxi
2023, 44(3): 152-158. doi: 10.7513/j.issn.1004-7638.2023.03.023
Abstract(238) HTML (59) PDF(9)
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The morphology, distribution and relationship between the original bulk carbides and carbon segregation index of GCr15 bearing steel continuous casting billets under different continuous casting factors (superheat, drawing speed, secondary cooling strength, electromagnetic stirring conditions) were ...
Evolution mechanism of inclusions in GH4169 produced by vacuum induction melting
Li Jing, Jiang Shichuan, Qi Huilin, Zhou Yang
2023, 44(3): 159-164. doi: 10.7513/j.issn.1004-7638.2023.03.024
Abstract(293) HTML (38) PDF(15)
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Inclusion had been considered as main factor affecting metallurgical quality and mechanical property of Ni-based superalloys. In this work the evolution mechanism of inclusions during the preparation of GH4169 Ni-based superalloy by vacuum induction melting (VIM) was studied. A method of ASPEX autom...
Study of the heating rate effect on the oxidation kinetics of the corrosion-resistant rebar
Wang Baoshan, Zhang Hongliang, Ma Jian, Feng Guanghong
2023, 44(3): 165-170. doi: 10.7513/j.issn.1004-7638.2023.03.025
Abstract(220) HTML (59) PDF(13)
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The oxidation behavior of corrosion-resistant rebar at various heating rates in air was studied by thermogravimetric analysis and microstructural observation, and the results were compared with those of isothermal oxidation. It is showed that there were no significant microstructural differences at ...
Effect of titanium content on hydrogen embrittlement behavior of bainite/martensite dual-phase steel
Li Zhengjie, Zhang Wei, Liu Xiaojun
2023, 44(3): 171-176. doi: 10.7513/j.issn.1004-7638.2023.03.026
Abstract(279) HTML (74) PDF(8)
Abstract:
Three kinds of bainite/martensite dual-phase steels with different titanium content (0, 0.9, and 1.8 wt%) were smelted in this paper. The bainite content in the samples was changed by heat treatment to maintain the same strength level. The effect of bainite content on the hydrogen embrittlement resi...
Effect of deoxidizer on non-metallic inclusions in M50NiL steel
Li Bing, Wu Zhiwei, Chen Wenxiong, Wang Xiaoqiang, Lang Dong, Zhang Jun, Mao Jian
2023, 44(3): 177-182. doi: 10.7513/j.issn.1004-7638.2023.03.027
Abstract(232) HTML (52) PDF(10)
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Different deoxidizers were used for deoxidation in the vacuum smelting process of aero-engine bearing steel M50NiL, and the influence of different deoxidizer types on the morphology, type, size and number density of inclusions in the steel were studied. The results indicate that without adding deoxi...
Thermodynamic study on equilibrium phase transformation and precipitation of 12Cr1MoVG steel
Wen Li, Ai Liqun, Lei Yue, Li Yaqiang, Hong Lukuo, Zhu Guangpeng, Wang Xufeng
2023, 44(3): 183-190. doi: 10.7513/j.issn.1004-7638.2023.03.028
Abstract(372) HTML (88) PDF(146)
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The phase transformation and precipitation behavior of 12Cr1MoVG steel during cooling were studied by thermodynamic software JMatPro, and the effect of alloying elements in the steel on longitudinal crack sensitivity was analyzed. The results show that the transformation path of 12Cr1MoVG steel from...
Analysis of the gear shaft broken teeth of the reducer
Dong Xuejiao
2023, 44(3): 191-196. doi: 10.7513/j.issn.1004-7638.2023.03.029
Abstract(325) HTML (45) PDF(11)
Abstract:
Aiming at the broken phenomenon of the gear shaft in a reducer, the chemical composition of the gear shaft was analyzed; the internal microstructure of the gear shaft and the causes of defects were studied by metallographic analysis technology. The fracture morphology was observed by scanning electr...

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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