2020 Vol. 41, No. 5

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Technical Review
Technology Progress in Comprehensive Utilization of Converter Vanadium Slag
Ju Jinwei, Zhang Tingan, Niu Liping, Lü Guozhi, Zhang Weiguang, Chen Yang
2020, 41(5): 1-7. doi: 10.7513/j.issn.1004-7638.2020.05.001
Abstract(222) PDF(19)
Abstract:
Converter vanadium slag is a raw material for direct extraction of vanadium,which contains valuable metals such as vanadium,chromium,titanium and iron.At present,the extraction process of converter vanadium slag is mainly divided into sodium roasting-water leaching and calcification roasting-acid le...
Technology Progress of Vanadium Precipitation in High Concentration Vanadium Liquid
Wang Jun, Zhu Xuejun, Ceng Chenghua, Deng Jun, Yang Tao, Wang Mingyue, Wu Yanting, Xie Bin
2020, 41(5): 8-13. doi: 10.7513/j.issn.1004-7638.2020.05.002
Abstract(158) PDF(12)
Abstract:
The precipitation of vanadium in a high concentration vanadium solution essentially influences the industrialization of vanadium slag sodiumization pelletizing roasting process.In order to provide a benchmark for solving the problem of vanadium precipitation in high concentration vanadium solution,t...
Separating and Extracting of Vanadium and Titanium
Research on New Technology of High-efficiency Comprehensive Utilization of Vanadium-titanium Magnetite
Xie Zhicheng, Hu Bing, Hu Peiwei
2020, 41(5): 14-21. doi: 10.7513/j.issn.1004-7638.2020.05.003
Abstract(254) PDF(11)
Abstract:
In order to achieve low-temperature reduction of vanadium-titanium magnetite,high-value utilization of iron powder,and clean utilization of vanadium-rich titanium materials,a new process which includes grinding and removal of impurities,ore,coal,sodium salt mixed to make agglomerates,direct reductio...
Study on Vanadium Precipitation by Hydrolysis of Chromium-vanadium Solution
Wu Zhenxiu, Jiang Lin
2020, 41(5): 22-26. doi: 10.7513/j.issn.1004-7638.2020.05.004
Abstract(253) PDF(6)
Abstract:
With the solution containing 17.86 g/L of vanadium and 15.96 g/L of chromium as the raw material,vanadium precipitation through hydrolysis was carried out in this work.The effects of pH value,temperature,time,chromium and sodium concentrations in the solution on the vanadium precipitation rate were ...
Discussion on Smelting Technology of a High Chromium Vanadium Titanium Magnetite
Gao Shimin
2020, 41(5): 27-36. doi: 10.7513/j.issn.1004-7638.2020.05.005
Abstract(164) PDF(1)
Abstract:
This paper deals with a process for separation,recovery and extraction of various beneficial metals from high chromium vanadium-titanium magnetite.The main equipment of the process consists of a melting furnace,a chlorination furnace,several separation furnaces and their ancillary equipment.The mine...
Separation of Vanadium and Chromium from Vanadium-chromium Solution by Calcium Salt Precipitation
Fu Zibi, Jiang Lin, Rao Yuzhong
2020, 41(5): 37-40,50. doi: 10.7513/j.issn.1004-7638.2020.05.006
Abstract(186) PDF(10)
Abstract:
Vanadium and chromium were selectively separated from the vanadium-chromium solution by calcium salt precipitation.The effects of CaO dosage,precipitation temperature and time on vanadium precipitation and the removal of chromium from calcium vanadate were studied.The results show that a precipitati...
Preparation of Ti Rich Materials with Low Ca and Mg by Carbothermal Reduction of Ilmenite
Zhang Tao
2020, 41(5): 41-44. doi: 10.7513/j.issn.1004-7638.2020.05.007
Abstract(110) PDF(7)
Abstract:
Using the ilmenite with high calcium and magnesium as the raw material,titanium rich material with low calcium and magnesium was prepared via carbothermal reduction followed by leaching process in the laboratory.XRD analysis of the reduced ilmenite shows that calcium exists in silicate phases of the...
Effect of Salt Treating Agent on Conversion Rate of Rutile for Titanium Dioxide Hydrate
Ma Weiping, Sun Ke, Cheng Chaoyan, Shi Ruicheng
2020, 41(5): 45-50. doi: 10.7513/j.issn.1004-7638.2020.05.008
Abstract(98) PDF(31)
Abstract:
Potassium hydroxide,phosphoric acid and zinc sulfate were separately or overall added to the titanium dioxide hydrated for calcination,and the rutile conversion rate of the samples after calcination was detected by Raman spectrometer.The results show that with increase in the addition of single pota...
Application of Vanadium and Titanium
Influence of Al on Electrochemical Performances of Electrolyte and Battery of Vanadium Redox Battery
Zhang Zhongyu, Zhao Huan, Liu Lei, Zhao Feng, He Hongxiang, Zhao Jinling, Wang Shaoliang, Liu Jianguo, Yan Chuanwei
2020, 41(5): 51-57. doi: 10.7513/j.issn.1004-7638.2020.05.009
Abstract(305) PDF(5)
Abstract:
As the core material for energy storage and conversion of vanadium redox battery,the composition of electrolyte,especially the impurity content in the solution,greatly affects the physicochemical properties of electrolyte,reversibility of electrode reactions and the charge-discharge performance of b...
Effect of Chemical Precipitation Process on Particle Size of VO2 Precursor and Its Hydrothermal Crystallization
Liu Bo, Peng Sui, Chen Yong, Xin Yanan
2020, 41(5): 58-65. doi: 10.7513/j.issn.1004-7638.2020.05.010
Abstract(166) PDF(2)
Abstract:
Nanopowders of VO2 were prepared by chemical precipitation assisted with hydrothermal crystallization using vanadyl sulfate as the vanadium source and sodium hydroxide as the precipitant.The influences of vanadium concentration,pH value of precipitation,reaction temperature,reaction time,type and do...
Influence of Transition Metals Ti and Co on Interfacial Microstructure and Strength of Copper-graphene Composites
Xian Yong, Chen Deping, Ding Yichao, Wang Jing, Lu Yanhong
2020, 41(5): 66-70. doi: 10.7513/j.issn.1004-7638.2020.05.011
Abstract(188) PDF(2)
Abstract:
Transition metals Ti and Co were separately introduced into copper-graphene composites by matrix alloying and powder metallurgy methods.The effects of Ti and Co on the strength of copper-graphene composites were compared by tensile test.The microstructure and interface structure of copper/graphene c...
Preparation and Properties of Isolating Membrane for Hot Rolled Metallic Composite
Zhang Fengzhen, Du Shunlin, Wang Tingkun, Jiang Qingwei
2020, 41(5): 71-76. doi: 10.7513/j.issn.1004-7638.2020.05.012
Abstract(114) PDF(1)
Abstract:
To solve the problems of isolation agent addition in blocking-hot rolling process for layered metal composites,isolation membrane with high heat resistance used for hot rolling laminated metal composite was prepared using inorganic substance with high temperature resistant as raw material which was ...
Study on Titanium Film Deposited on Steel Belt Surface via Evaporation
Li Junhan, Sun Ning, Zou Yu, Lai Qi, Liao Xianjie, Ma Lan, Yang Shaoli
2020, 41(5): 77-80. doi: 10.7513/j.issn.1004-7638.2020.05.013
Abstract(50) PDF(1)
Abstract:
The titanium thin film was deposited via electron beam vacuum evaporation on the surface of steel belt by changing the tape travel speed. The phase composition and structure,cross-sectional morphology and film-base bonding force of the titanium film were studied by XRD,FIB,scratch test and other met...
Sticking Defects and Its Influence on Shell Tube in Rotary Piercing Process of Large Diameter TA2 Titanium Tube
Feng Qing
2020, 41(5): 81-85. doi: 10.7513/j.issn.1004-7638.2020.05.014
Abstract(67) PDF(1)
Abstract:
Aiming at the problem of the sticking defects in the rotary piercing process of large diameter TA2 titanium tube,the influence of the sticking defects on the surface condition,deformation defect,dimensional accuracy and other macro-quality of the pierced shell tube and the micro-structure distributi...
Resources Environment and Energy Saving
Effect of Temperature Conditions and Additives on Selective Precipitation Process of Perovskite Crystals
Xu Ying, Li Dandan, Yuan Meng, Cai Yanqing
2020, 41(5): 86-95. doi: 10.7513/j.issn.1004-7638.2020.05.015
Abstract(202) PDF(4)
Abstract:
In order to further realize the effective recovery of titanium components from the titanium-containing blast furnace slag,the effect of temperature conditions and additives on the selective precipitation behavior of perovskite crystals were studied in this paper.By analyzing the chemical components ...
Comparative Study on Preparation of Foam Glass-ceramics from Slow-cooling and Water-quenched High Titanium Blast Furnace Slag
Tian Jian, Feng Keqin, Yan Zidi, Liu Yanfang
2020, 41(5): 96-101. doi: 10.7513/j.issn.1004-7638.2020.05.016
Abstract(107) PDF(2)
Abstract:
High titanium blast furnace slag and waste glass powder were used to prepare foam glass-ceramics by "one-step sintering method",in which the foaming process synchronizes with the crystallization process.It can realize the high value-added overall utilization of high titanium blast furnace slag and i...
Influence of Steel Slag Beads Substituting Fine Aggregate on Durability of Concrete
Wang Hui, Zhang Wei, Zhang Yuzhu, Guo Chen, Xing Hongwei
2020, 41(5): 102-106. doi: 10.7513/j.issn.1004-7638.2020.05.017
Abstract(79) PDF(1)
Abstract:
Steel slag beads are a by-product of steel slag formed by direct gas quenching of liquid steel slag.In this paper,steel slag beads were used as substitutes for fine aggregate of concrete,and the influences of substitution rates（0%,20%,35%,and 50%） of steel slag beads for the fine aggregate on the du...
Titanium Gypsum Strength Transition Point Model Establishment and Strength Mechanism Analysis
Yang He, Chen Wei, Liang Hezhi, Cai Xinyue, Wang Jun, Jiang Zhongyou
2020, 41(5): 107-112. doi: 10.7513/j.issn.1004-7638.2020.05.018
Abstract(73) PDF(1)
Abstract:
Studying various performance characteristics of titanium gypsum is of great significance for the recovery,resource utilization and re-use of titanium gypsum.In order to maximize the use of titanium gypsum,experiments were performed by replacing part of titanium gypsum with flue gas desulfurization g...
Ferrous Metallurgy and Materials
Effect of MgO on the Softening-melting Process of BF Burden
Lu Jianguang, Li Jianpeng, Liu Xiaojie, Liu Kai, Lü Qing
2020, 41(5): 113-118. doi: 10.7513/j.issn.1004-7638.2020.05.019
Abstract(95) PDF(1)
Abstract:
The influences of different MgO contents in the mixed burden on the softening-melting properties of burden by high temperature simulation experiment were studied.The results indicate that with the increase of MgO content in the mixed burden,T10% and T40% increase,and the softening temperature range ...
Effect of Ca Treatment on TiN Precipitation Behavior in Molten Steel
Huo Lu, Chen Jundong, Li Yongliang, Wang Fuming
2020, 41(5): 119-123. doi: 10.7513/j.issn.1004-7638.2020.05.020
Abstract(76) PDF(3)
Abstract:
The effect of calcium treatment on the precipitation of TiN secondary particles was studied using optical microscope and scanning electron microscope.The results showed that,after calcium treatment,TiN nucleated on the interface of CaS particles,forming composite precipitation.There was a large amou...
Research on Elevated Temperature Mechanical Properties of 12Cr1MoVG Steel Continuous Casting Billet
Dong Kai, Liu Jianhua, Zhang Pei, Zheng Guiyun, Li Yaqiang, He Yang
2020, 41(5): 124-129. doi: 10.7513/j.issn.1004-7638.2020.05.021
Abstract(263) PDF(8)
Abstract:
In order to study the elevated temperature mechanical properties of 12Cr1MoVG steel continuous casting billet,12Cr1MoVG steel was subjected to elevated temperature tensile test at different temperatures by a Gleeble-3500 simulator.The fracture morphology,tensile strength and section shrinkage were a...
Effect of Annealing on Microstructure and Hardness of Ultra-high Strength Low Alloy Bainitic Steel
Du Simin
2020, 41(5): 130-135. doi: 10.7513/j.issn.1004-7638.2020.05.022
Abstract(119) PDF(2)
Abstract:
Three different annealing processes regarding forge cooling and isothermal softening were designed for ultra-high strength low alloy bainite steel produced by a domestic steel plant. The microstructure of the samples under different annealing processes was observed by scanning electron microscope,an...
Industrial trial on Ferrite Rolling of IF Steel in Hansteel 2250 Hot Continuous Rolling Mill
Wang Liangliang, Cao Xiaoen, Yu Xiaofei, Lü Chaojie, Su Zhenjun, Yang Jiankuan
2020, 41(5): 136-141. doi: 10.7513/j.issn.1004-7638.2020.05.023
Abstract(70) PDF(1)
Abstract:
In order to save energy and improve efficiency during hot rolling automobile steel sheet,Handan Company,HBIS Group carried out the industry trial production of ferrite rolling of ultra-low carbon IF steel relying on a production line of 2250 hot continuous rolling.The microstructure,mechanical prope...
Influence of Solution Treatment Temperature on Microstructure and Pitting Corrosion Behavior of Heat Rolling 2205 Duplex Stainless Steel
Zhou Peng, Cui Shan, Shi Hongyuan
2020, 41(5): 142-146. doi: 10.7513/j.issn.1004-7638.2020.05.024
Abstract(186) PDF(2)
Abstract:
The effect of solution treatment on microstructure and pitting corrosion property of heat rolling 2205 duplex stainless steel was investigated by means of OM and immersing in a 10%FeCl3 solution test.The results show that as the solution treatment temperature increase,the fibrous structure morpholog...
PAW Welding Procedure and Joint Property of S22053 Duplex-stainless Steel
Du Yongqin, Wang Shuhua, Wang Heng, Zhang Jianxiang
2020, 41(5): 147-153. doi: 10.7513/j.issn.1004-7638.2020.05.025
Abstract(187) PDF(4)
Abstract:
The welding procedure test of S22053 duplex-stainless steel is performed by the keyhole PAW,the keyhole PAW+ auto-GTAW with filler metal for cover pass and the keyhole PAW+ auto-GTAW with filler metal for cover pass+auto-GTAW without filler metal for root pass in order to study service and welding c...
Study on Production Process,Microstructure and Properties of 12MnNiVR Steel for High Heat Input Welding
Feng Lulu, Tang Tao, Shu Xingguo, Qiao Wenwei, Zhou Feng
2020, 41(5): 154-158,165. doi: 10.7513/j.issn.1004-7638.2020.05.026
Abstract(82) PDF(3)
Abstract:
The high heat input welding steel 12MnNiVR was trial-produced by two different production processes.The microstructure and mechanical properties of the tested steel were obtained by optical microscope,tensile testing machine and low-temperature impact toughness testing machine,and the post-welding h...
Effect of V Content and Heat Input on HAZ Softening Zone of Deep-sea Pipeline Steel
Yu Tengyi, Zhou Leilei, Li Ba, Yang Ping
2020, 41(5): 159-165. doi: 10.7513/j.issn.1004-7638.2020.05.027
Abstract(152) PDF(3)
Abstract:
In this paper,the welding thermal cycle process of deep-sea pipeline steel was investigated using welding thermal simulation.The microstructure variation,crystallography characteristic and second-phase precipitation behaviors of the softening zone of heat affected zone（HAZ） were characterized and an...
Effect of Vanadium Content on the Properties of 40Cr Die Steel
Yu Shujing, Li Jiming
2020, 41(5): 166-170. doi: 10.7513/j.issn.1004-7638.2020.05.028
Abstract(72) PDF(3)
Abstract:
Various contents of vanadium were added to 40 Cr die steel,and the microstructure,impact property at room temperature and wear resistance of the die steels were tested,compared and analyzed.The results show that proper addition of vanadium can improve the microstructure,increase impact absorption en...
Analysis of Forging Forming Process for High Strength Magnesium Alloys Mg-8Gd-1.5Y-1M Containing Ti
Fan Ruijun, Guan Zhiwei, Sun Cuixiang
2020, 41(5): 171-174. doi: 10.7513/j.issn.1004-7638.2020.05.029
Abstract(47) PDF(2)
Abstract:
The forging tests of Mg-8 Gd-1.5 Y-0.8 Ti high-strength magnesium alloy samples containing Ti were carried out with different initial forging temperature,final forging temperature and forging speed.The mechanical properties of obtained alloys were tested and analyzed.The results show that proper inc...

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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