2019 Vol. 40, No. 4

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Technical Review
Status and Development of Titanium Dioxide Industry in 2019
Bi Sheng
2019, 40(4): 1-3. doi: 10.7513/j.issn.1004-7638.2019.04.001
Abstract(122) PDF(13)
Abstract:
This paper listed all kinds of industry data in 2018,analyzed the recent situation and development in 2019.It is considered that titanium dioxide industry has entered a period medium and low speed development,capacity concentration increased,titanium dioxide products are developing towards high qual...
Separating and Extracting of Vanadium and Titanium
Thermodynamic Calculation and Experimental Study on Pre-reduction of Vanadium-titanium Iron Concentrate in Shaft Furnace
Cheng Xiangkui, Xiang Qinqin, Zhao Yingtao, Wang Jun
2019, 40(4): 4-10. doi: 10.7513/j.issn.1004-7638.2019.04.002
Abstract(121) PDF(4)
Abstract:
The equilibrium compositions,metallization rate and reduction degree of carbon-added pellets of Panzhihua vanadium-titanium iron concentrate pre-reduced in shaft furnace were calculated by HSC software.The metallization rate and reduction degree of the carbon-added pellets at different pre-reduction...
Influence of Residue Recycle on Sodium Roasting of Vanadium Slag
Liu Dong, Xue Xiangxin, Yang He
2019, 40(4): 11-16. doi: 10.7513/j.issn.1004-7638.2019.04.003
Abstract(82) PDF(3)
Abstract:
The roasting experiments were carried out with vanadium slag and the residue after vanadium extraction as raw materials,sodium carbonate and sodium chloride as sodium reagents,which aims to reduce the loss of vanadium resources and alleviate the environmental pollution.The effects of roasting temper...
Technology Research on Clean Vanadium-extracting from Vanadium Slag by Blank Roasting
Fu Zibi
2019, 40(4): 17-23. doi: 10.7513/j.issn.1004-7638.2019.04.004
Abstract(97) PDF(6)
Abstract:
Aiming at the problems of high process cost and large amount of solid waste in existing vanadium extraction process from vanadium slag,a new process for preparing vanadium oxide from vanadium slag by blank roasting and carbonation leaching was proposed.The research mainly focused on the conditions o...
Existing States of Vanadium in Slag during the Preparation of FeV50 by Aluminum Thermal Reduction
Yu Bin, Yuan Tiechui, Xiao Daihong, Sun Zhaohui, Pan Cheng
2019, 40(4): 24-29. doi: 10.7513/j.issn.1004-7638.2019.04.005
Abstract(88) PDF(5)
Abstract:
The effect of different smelting stages on the occurrence of vanadium in the slag during the aluminum thermal reduction for FeV50 alloy preparation was analyzed,the thermodynamic reduction limit of vanadium in the slag was calculated by the study of V-O and VO-Al equilibrium theory.The actual stable...
Morphology Control for Ammonium Polyvanadate during Vanadium Precipitation Process by Ammonium Salt
Li Qianwen
2019, 40(4): 30-34. doi: 10.7513/j.issn.1004-7638.2019.04.006
Abstract(193) PDF(17)
Abstract:
Ammonium polyvanadate was prepared via vanadium precipitation under acid condition using ammonium salt,and the effects of pH value,addition amount of ammonium salt,reaction temperature and time for precipitation on the morphology of the obtained ammonium polyvanadate（APV） were investigated.The resul...
Effect of Potassium Hydroxide on Calcination of Metatitanic Acid
Ma Weiping
2019, 40(4): 35-38. doi: 10.7513/j.issn.1004-7638.2019.04.007
Abstract(93) PDF(8)
Abstract:
Potassium hydroxide was added into metatitanic acid during the calcination process,which aimed to study the effect of potassium salt on the rutile conversion,average particle size,morphology and crystal structure of the samples employing Raman spectroscopy,particle size analyzer and XRD characteriza...
Application of Vanadium and Titanium
Effect of Hot Isostatic Pressing on the Microstructure and Mechanical Properties of Ti-6Al-4V Alloy Fabricated by Selective Laser Melting
Wang Lei, Ma Chao, Chen Jie
2019, 40(4): 39-44. doi: 10.7513/j.issn.1004-7638.2019.04.008
Abstract(153) PDF(6)
Abstract:
The effect of hot isostatic pressing（HIP） on the microstructure and mechanical properties of Ti-6 Al-4 V alloy fabricated by selective laser melting（SLM） was studied.The results show the original acicular structure grows up rapidly along the length and width directions.Then the growth is hindered by...
Preparation and Interface Analysis of Graphene Nanosheets Reinforced Pure Titanium Matrix Composites
Zhang Zaiyu, Liang Yilong
2019, 40(4): 45-50. doi: 10.7513/j.issn.1004-7638.2019.04.009
Abstract(112) PDF(1)
Abstract:
Graphene nanoplatelets（GNP） reinforced pure titanium lightweight structural materials were prepared by vacuum hot pressing sintering method.The microstructure of the powder and block samples were analyzed by optical microscope,scanning electron microscope and transmission electron microscope.The den...
Effects of Heat Treatment on Microstructure and Mechanical Properties of Ti-6Al-4V Manufactured by Selective Laser Melting
Ma Chao, Wang Lei, Fu Xiaoqiang
2019, 40(4): 51-58. doi: 10.7513/j.issn.1004-7638.2019.04.010
Abstract(188) PDF(8)
Abstract:
The microstructure of Ti-6 Al-4 V alloy fabricated by selective laser melting was studied at different heat treatment conditions to reveal the internal relation during the heat treatment process,microstructure and mechanical properties.The results show that at 600～700 ℃ α′ martensite in the alloy is...
Preparation and Properties of New Vanadium-based Battery Alloy for Electric Vehicles
Li Mei, Wang Qiang, Gao Hongwen, Han Quanye, Zhang Keming
2019, 40(4): 59-63. doi: 10.7513/j.issn.1004-7638.2019.04.011
Abstract(50) PDF(1)
Abstract:
Pressure casting tests were carried out for the new vanadium-based battery alloy V3TiNi0.56Ce0.2 used for electric vehicles at different ball milling speeds and time,and the hydrogen absorption and desorption property as well as the corrosion resistance were tested and analyzed.The results show that...
Properties Optimization of Alloy for a New Vanadium Based Hydrogen Storage Battery
Huang Minxiong, Li Yuanshi
2019, 40(4): 64-68. doi: 10.7513/j.issn.1004-7638.2019.04.012
Abstract(77) PDF(2)
Abstract:
In this paper,the effect of Al addition on the microstructure,hydrogen absorption and desorption property,charge and discharge performance of a new vanadium-based hydrogen storage alloy was investigated.The results show that with increase in the addition amount of Al,the grains of the new alloy are ...
Optimization of Extrusion Temperature for Vanadium-containing Magnesium Alloy for Automobiles
Zhang Hongtao, Wu Xiaowei, Peng Liangdong
2019, 40(4): 69-73. doi: 10.7513/j.issn.1004-7638.2019.04.013
Abstract(69) PDF(1)
Abstract:
In this paper,the vanadium-containing magnesium alloy Mg-8 Al-1 Zn-0.5 V used for automobiles was extruded at different temperatures,and the mechanical properties and microstructure of the samples were tested and analyzed.The results show that with the extrusion temperature increasing from 300 ℃ to ...
Resources Environment and Energy Saving
Factors Affecting Quality Loss of Sintering Flue Gas Treated by Activated Carbon Irradiated by Microwave
Shi Yan, Kong Zheng, Zhao Ying, Wang Shuai, Zhao Xin
2019, 40(4): 74-78. doi: 10.7513/j.issn.1004-7638.2019.04.014
Abstract(71) PDF(1)
Abstract:
In this work,taking activated carbon as the research object,by changing the microwave heating temperature,heating time,activated carbon weight,SO2 concentration and NO concentration,the influence law of mass loss during the treatment of sintering flue gas by activated carbon under the condition of m...
Preparation of Autoclaved Bricks from Residue after Vanadium Extraction in Panzhihua
Yang Qingying, Zhong Yantao
2019, 40(4): 79-83,94. doi: 10.7513/j.issn.1004-7638.2019.04.015
Abstract(49) PDF(1)
Abstract:
Autoclaved bricks were prepared from residue after vanadium extraction in Panzhihua,lime and sand by compaction moulding-autoclaving maintenance method,and the effects of rise and fall speeds of pressure,steam pressure and curing time on the compressive strength of the samples were studied.The compo...
Preparation of Cement Mixture from Chromium-containing Steel Slag
Yang Fei, Sun Xiaomin
2019, 40(4): 84-89. doi: 10.7513/j.issn.1004-7638.2019.04.016
Abstract(56) PDF(2)
Abstract:
Steel slag is an industrial waste,and the efficient utilization of steel slag has important environmental value.In this paper,steel slag was used to treat wastewater containing Cr3+ and then used as cement mixture.The effect of steel slag adsorbing Cr3+ was discussed.The influence of steel slag cont...
Experimental Study on Recovery of Manganese from Wastewater of Vanadium Extraction
Chen Yan
2019, 40(4): 90-94. doi: 10.7513/j.issn.1004-7638.2019.04.017
Abstract(89) PDF(5)
Abstract:
Using the process of chemical removal of impurities-electrolysis,manganese in the wastewater produced from vanadium extraction was successfully recovered.The effects of different factors（ferrisulphas addition,reaction temperature and time,terminal reaction pH） on removal of vanadium from the wastewa...
Ferrous Metallurgy and Materials
Research on Microstructural Characteristics and Metallurgical Properties of the High Basicity Sinter Made of Magnetite
Han Xiuli, Liu Lei, Chen Qianchong, Zhang Di, Bai Dongdong, Zhao Zhe
2019, 40(4): 95-99. doi: 10.7513/j.issn.1004-7638.2019.04.018
Abstract(187) PDF(6)
Abstract:
The microstructures of two kinds of high basicity sinters made of magnetite were studied quantitatively by means of polarization microscope,and their metallurgical properties were tested.The influence of microstructure of sinter on its metallurgical properties was discussed.The results show that bot...
Effect of MgO/Al2O3 on Metallurgical Properties of Sinter
Pan Xiangyang, Long Yue, Li Shenzi, Ma Baoliang, Du Peipei
2019, 40(4): 100-105. doi: 10.7513/j.issn.1004-7638.2019.04.019
Abstract(112) PDF(1)
Abstract:
The effect of MgO/Al2O3 on the metallurgical properties of sinter was studied by laboratory sintering cup test device.The effects of MgO/Al2O3 on sinter strength,particle size composition,RDI and RI were studied in the range of 0.8 to 1.2.Microstructure and mineral composition of sinter were analyze...
Application of Biomass to the Direct Reduction Process
Ma Yusheng, Hong Lukuo, Zhou Chaogang, Yuan Peng, Ai Liqun
2019, 40(4): 106-109,115. doi: 10.7513/j.issn.1004-7638.2019.04.020
Abstract(147) PDF(4)
Abstract:
In this paper,charcoal and anthracite were selected as reducing agent to study the influence of reduction temperatures,C/O,reduction time on metallization rate.In addition,the effect of reduction by charcoal and anthracite had been compared by using XRD analysis.The results show that the charcoal ha...
Study on Macro Segregation Control of Continuous Casting Billet in Gear Steel 20CrMnTiH
Chen Liang
2019, 40(4): 110-115. doi: 10.7513/j.issn.1004-7638.2019.04.021
Abstract(115) PDF(3)
Abstract:
In order to control the macro-segregation of gear steel,the chemical analysis and original position analyzer were applied on carbon distribution of billets in cross section.The superheat,casting speed,electromagnetic stirring and flowrate of secondary cooling testes had been performed and the optima...
Study on Corrosion Resistance and Wear Resistance of New Vanadium-containing Weather Proof Steel for Building
Ye Zhanchun, Guan Chunlong
2019, 40(4): 116-120. doi: 10.7513/j.issn.1004-7638.2019.04.022
Abstract(77) PDF(1)
Abstract:
In this paper,a new type of weatherproof steel for building containing vanadium was prepared by adding different content of vanadium in Q450 NQR1 steel,and the microstructure,corrosion resistance and wear resistance of the new steel were tested and analyzed.Vanadium has a significant effect on the c...
Influence of Vanadium Content on Austenite Recrystallization Rule of Low Carbon Steel
Xiong Xuegang, Zhang Kaihua, Wang Yi, Ye Xiaoyu
2019, 40(4): 121-125. doi: 10.7513/j.issn.1004-7638.2019.04.023
Abstract(66) PDF(1)
Abstract:
To investigate the dynamic recrystallization rule of vanadium microalloying low carbon steel and its influence factors,flow curves under dynamic recrystallization conditions of 4 kinds of V-N microalloy steels were obtined by experiments so that the relationship of peak stressσp,strain rateεandtempe...
Hydrogen Permeation Behaviors of Microalloyed TRIP-assisted Annealed Martensitic Steels
Yang Xiongfei, Yu Hao
2019, 40(4): 126-131. doi: 10.7513/j.issn.1004-7638.2019.04.024
Abstract(80) PDF(3)
Abstract:
In this paper a serials of TRIP-assisted annealed martensitic（TAM） steels had been obtained through niobium,vanadium and/or titanium microalloying additions into a base chemistry of 0.2%C-1.5%Si-2.0%Mn,and a complex heat cycles of double quenching+tempering processes.From the hydroden charging curve...
Effect of Niobium on Microstructure of X80 Grade Pipe Line Steel
Dai Liangliang, Zhu Chenglong, Gu Ye, Zhang Jiming
2019, 40(4): 132-137. doi: 10.7513/j.issn.1004-7638.2019.04.025
Abstract(66) PDF(3)
Abstract:
Microstructure of high strength X80 pipeline steels which contain different Nb contents was investigated using optical microscopy and transmission electron microscopy.Second phase particles were analyzed by extraction replica method.Results show that microstructure of low Nb content steel comprises ...
Effect of Niobium on Solid Solution Temperature of Precipitates in Oriented Silicon Steel
Liu Jiamei, Jin Donghao, Jia Yunke, Feng Yunli
2019, 40(4): 138-143. doi: 10.7513/j.issn.1004-7638.2019.04.026
Abstract(62) PDF(2)
Abstract:
Two kinds of billets containing 0.09% niobium and niobium free were used for this study.The billets had been heated up to different temperatures and then quenched after holding for 30 min.The microstructure of the samples was observed by JEM-2011 transmission microscope.At the same time,the morpholo...
Thermodynamic Model for Carbonitride Precipitation in Low Carbon Steel with Nb-Ti-V and Verification
He Feiyu, Dong Jian, Sun Yanhui
2019, 40(4): 144-151. doi: 10.7513/j.issn.1004-7638.2019.04.027
Abstract(106) PDF(2)
Abstract:
Carbonitride precipitates influence the microstructure and properties of steel by grain refinement and precipitation strengthening.Based on a two-sub lattice model（metal atom sub lattice and interstitial atom sub lattice） of regular solution,a thermodynamic model for the precipitates of carbonitride...
Analysis for Processing Map of Fe-13Cr-4Al Alloy
Zhang Yiyong, Wang Hui, Yang Pan, Zhang Hongzhi, Sun Lin
2019, 40(4): 152-157,163. doi: 10.7513/j.issn.1004-7638.2019.04.028
Abstract(68) PDF(1)
Abstract:
The hot deformation behavior of Fe-13 Cr-4 Al alloy was investigated by compression test on a Gleeble-1500 thermal simulator under the temperatures of 800～1 000 ℃ with strain rates of 0.01～10 s-1.Based on experimental data,the true stress-strain curves of Fe-13 Cr-4 Al alloy were drawn,which showed ...
Research on Low-temperature DWTT of 33mm Thick-wall X80 Pipeline Steel Plate
Jiang Changlin, Lin Tao, Zhu Jianyang
2019, 40(4): 158-163. doi: 10.7513/j.issn.1004-7638.2019.04.029
Abstract(71) PDF(1)
Abstract:
The shear area of low-temperature DWTT of thick-wall X80-grade pipeline steel plate is now becoming a high technical challenge.In the paper,based on alloying design, 33 mm thick-wall X80 pipe line steel plates were obtained through different thickness of inter-mediate bar from non-recrystallization ...
Study on High Temperature Oxidation Behavior of Typical Steel during 2250mm Hot Continuous Rolling
Xie Fenghu, Yang Huiping, Cao Xiao'en, Zhao Linlin, Su Zhenjun
2019, 40(4): 164-168. doi: 10.7513/j.issn.1004-7638.2019.04.030
Abstract(47) PDF(2)
Abstract:
The oxidation behavior of typical low alloy high strength steel QStE500 TM and pressure vessel steel Q345 R during 2 250 mm hot continuous rolling was studied by oxidation kinetics experiment.The results show that the growth of iron oxide scale complies with the parabola law.The oxidation activation...
2019, 40(4): 169-170.
Abstract(52) PDF(1)
Abstract:

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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