2019 Vol. 40, No. 6

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Separating and Extracting of Vanadium and Titanium
Preparation of TiC Reinforced Iron Based Composite Powder by Electrochemical Reduction from High Titanium Slag with Carbon
Sun Lin, Jiang Yan, Yu Yanmin, Ji Chunwei, Song Qiushi
2019, 40(6): 1-5. doi: 10.7513/j.issn.1004-7638.2019.06.001
Abstract(92) PDF(3)
Abstract:
Titanium carbide（TiC） reinforced iron（Fe） based composite powder with a multi-core structure was electrochemically prepared directly from high titanium slag and carbon powder.The electrochemical reaction pathways for the sintered piece of the slag and carbon were investigated by examination of the p...
Optimization for Recovery Process of Low-grade Olivine-type Ilmenite
Wu Xuehong
2019, 40(6): 6-11. doi: 10.7513/j.issn.1004-7638.2019.06.002
Abstract(75) PDF(2)
Abstract:
Aiming to resolve the problems of high cost and low yield for industrial recovery of low-grade olivine-type ilmenite in a mining company in Panzhihua-Xichang area,the process optimization was carried out.By improving the screw feeder and the second-stage high-intensity magnetic operation section in ...
Preparation and Photocatalytic Performance of Graphene/Fe-doped Titania Composite
Yang Ying
2019, 40(6): 12-17. doi: 10.7513/j.issn.1004-7638.2019.06.003
Abstract(121) PDF(2)
Abstract:
Graphene/Fe-doped titania composite was prepared by one-step thermal hydrolysis of industrial titanyl sulfate solution with graphene oxide solution as priming,and the composite was characterized using XRD,SEM,FT-IR,UV-vis DRS and XPS.The photocatalytic performance of the graphene/Fe-doped titania co...
Technical Discussion on Improving AlV55 Yield
Chen Haijun, Shi Qihua, Wang Yonggang, Yin Danfeng, Ye Mingfeng
2019, 40(6): 18-23. doi: 10.7513/j.issn.1004-7638.2019.06.004
Abstract(94) PDF(3)
Abstract:
In this paper,the factors affecting the yield of AlV55 alloy prepared by aluminum thermal reduction method were studied,and the approaches for improving the yield were also discussed.The influencing factors include fine powder,oxides film and segregation,etc.With the unit heat effect at 3 315 kJ/kg,...
Influence of Mixing-milling Technique on Sodium Roasting of Vanadium Slag
Jiang Lin, Wu Zhenxiu, Gao Guanjin
2019, 40(6): 24-29. doi: 10.7513/j.issn.1004-7638.2019.06.005
Abstract(119) PDF(3)
Abstract:
Vanadium slag and sodium carbonate were mixed and milled by an omni-directional ball mill.The particle size distribution,morphology and uniformity of the materials after mixing and milling were analyzed and compared with those of the materials of vanadium slag and sodium carbonate by direct mixing.T...
Effect of Titanium Liquid Index on Hydrolysis Rate
Wu Jianchun, Lu Ruifang
2019, 40(6): 30-33. doi: 10.7513/j.issn.1004-7638.2019.06.006
Abstract(185) PDF(15)
Abstract:
Using the industrial titanium liquid as the raw material,the hydrolysis was carried out by external seeding.The effects of titanium liquid index including TiO2 concentration,F value,Fe/TiO2 ratio and Ti3+ concentration on the hydrolysis rate were investigated.Then,the relationship between the hydrol...
Application of Vanadium and Titanium
Effects of Nickel Element on Microstructure and Properties of VC Reinforced Iron-base Composite
Xian Yong, Ding Yichao, Chen Deping, Wang Jing, Wang Huai
2019, 40(6): 34-37. doi: 10.7513/j.issn.1004-7638.2019.06.007
Abstract(60) PDF(2)
Abstract:
VC reinforced iron matrix composites were synthesized in situ from FeV powder,Ni powder and graphite powder under sintering temperature of 1 150 ℃ and pressure of 20 MPa.X-ray diffraction（XRD） was used to analyze the phases.Three-point bending strength and Rockwell hardness were tested,and scanning ...
Investigation on the Structures and Electrochemical Properties of V2Ti0.5Cr0.5Ni1-xMnx（x=0.05～0.2）Hydrogen Storage Alloys
Tong Yanwei, Li Nali, Cui Xumei, Zhang Xuefeng
2019, 40(6): 38-42. doi: 10.7513/j.issn.1004-7638.2019.06.008
Abstract(78) PDF(2)
Abstract:
V2Ti0.5Cr0.5Ni1-xMnx（x=0.05～0.2）hydrogen storage alloys were prepared by vacuum induction arc-melting,and the microstructure and electrochemical properties of the alloys were investigated systematically.The results show that the alloys mainly consist of a V-based solid solution phase with a BCC stru...
Effect of TiO2 on Hydrogen Evolution Performance of Sn-Ni Alloy Electrode
Zhou Zongyi, Wen Linjie, Zhang Linan, Qi Haidong, Li Yungang, Yang Haili
2019, 40(6): 43-47. doi: 10.7513/j.issn.1004-7638.2019.06.009
Abstract(80) PDF(2)
Abstract:
The Sn-Ni/TiO2 composite electrode was prepared on the surface of pure copper by electrodeposition method.The morphology,composition,roughness and hydrogen evolution performance of the electrodes were studied by scanning electron microscopy,energy dispersive spectroscopy,laser scanning confocal micr...
Microstructure and Mechanical Properties of Interface for Titanium/Steel Clad Tubesheet Prepared by Explosive Welding
Zhang Hangyong, Zang Wei, Guo Longchuang
2019, 40(6): 48-51. doi: 10.7513/j.issn.1004-7638.2019.06.010
Abstract(154) PDF(8)
Abstract:
Explosive welding tests of ø4600 mm ASME SB265 Gr.1/SA266 Gr.2 titanium/steel clad tubesheet were carried out,and the microstructure and mechanical properties of the clad tubesheet interface were analyzed and tested.The macro and micro analyses show that the bonding mode for interface of the clad tu...
Structure and Properties of TiN Thin Film Deposited on Stainless Steel Surface by Sputtering
Luo Xueping, Lai Qi
2019, 40(6): 52-56. doi: 10.7513/j.issn.1004-7638.2019.06.011
Abstract(136) PDF(8)
Abstract:
The titanium nitride（TiN） thin film was prepared by direct current reactive magnetron sputtering on the surface of stainless steel.The rate of mass increase,microstructure,morphology and microhardness of the film were studied by analytical balance,SEM,XRD and microhardness tester.It is found that wi...
Preparation and Mechanical Properties of Porous Ti-5Nb Alloy with the Elongated Pores
Zhao Chaoyong, Kuang Lin, Zhang Xuefeng
2019, 40(6): 57-62. doi: 10.7513/j.issn.1004-7638.2019.06.012
Abstract(70) PDF(2)
Abstract:
Porous Ti-5 Nb alloys were prepared by powder metallurgy method using titanium and niobium powders as raw materials and spherical stearic acid as space holder,and the effects of stearic acid content on the microstructure and mechanical properties of porous Ti-5 Nb alloy were investigated by using th...
Resources Environment and Energy Saving
Situation and Comprehensive Utilization Prospect of Titanium Gypsum
Fu Yijiang
2019, 40(6): 63-66,100. doi: 10.7513/j.issn.1004-7638.2019.06.013
Abstract(346) PDF(27)
Abstract:
Aiming at the problems of the large storage of titanium gypsum in China,which is the solid waste produced by titanium dioxide industry with an annual output of nearly 30 million tons,the shortcomings of the existing utilization ways were analyzed,and the directions and goals for large-scale comprehe...
Study on Mechanical Properties of Flue Gas Desulphurization Gypsum-titanium Slag Powder Composite Cementitious Material
Yang He, Chen Wei, Liang Hezhi
2019, 40(6): 67-72. doi: 10.7513/j.issn.1004-7638.2019.06.014
Abstract(114) PDF(2)
Abstract:
Flue gas desulphurization gypsum-titanium slag powder（abbreviation:FGD-TS） composite cementitious material was prepared from flue gas desulphurization gypsum and titanium slag powder which are the industrial solid waste.The effect of addition amount of titanium slag powder on the phase composition a...
Experimental Study on the Recovering Ilmenite from Iron Tailings in Panzhihua-Xichang Area by High Gradient Magnetic Separator with a Horizontal Magnetic System
Hu Houqin, Zhang Hongying
2019, 40(6): 73-76,128. doi: 10.7513/j.issn.1004-7638.2019.06.015
Abstract(55) PDF(2)
Abstract:
High gradient magnetic separation-high gradient magnetic separation-flotation process is adopted for ilmenite beneficiation in a plant in Panzhihua-Xichang area, and the high gradient magnetic separation stage is the key factor influencing the total recovery rate of ilmenite.Using the coarse materia...
Ultra-fine Electric Furnace Nickel Iron Slag Prepared by Steam Power Mill
Fu Haifeng, Li Tianhe, Qin Wenqian, Li Hong, Zhang Mingxing
2019, 40(6): 77-83. doi: 10.7513/j.issn.1004-7638.2019.06.016
Abstract(73) PDF(2)
Abstract:
The electric furnace nickel-iron slag emission is increasing,but the direct utilization rate is low.In order to improve the comprehensive utilization value of electric furnace nickel iron slag,ultra-fine pulverization experiments were carried out on a LNGS-80 steam power mill（total power 6.7 kW,stea...
Ferrous Metallurgy and Materials
Effects of Quicklime Digestion Behavior on the Granulation of Vanadium Titano-magnetite Concentrate
Liu Donghui, Li Junhua, Zhang Jianliang, Wang Guangwei, Peng Yue, Jiang Xi
2019, 40(6): 84-89. doi: 10.7513/j.issn.1004-7638.2019.06.017
Abstract(53) PDF(2)
Abstract:
Effects of quicklime digestion behavior on the granulation of the vanadium titano-magnetite concentrate were investigated by using micro-drum granulation equipment.The results show that there exist great difference in the particle size distribution index（PDI） of different kinds of quicklime after hy...
Research on Strength Properties of Vanadium-titanium Magnetite Tailings Pellets with Carbon-containing
Li Junhan, Sun Ning, Wu Mei
2019, 40(6): 90-95. doi: 10.7513/j.issn.1004-7638.2019.06.018
Abstract(91) PDF(4)
Abstract:
Using Panzhihua vanadium-titanium magnetite tailings as raw materials and polyvinyl alcohol as binding agent,the influences of the particle size composition,the moisture content,the pressure,the content of polyvinyl alcohol and the carbon content on the strength of resulted pellets were studied in t...
Molecular Dynamics Simulation of Structure and Stability of Titanium Carbides Cluster in Iron Matrix
Lü Yanan, Chen Dong, Zhang Shunhu
2019, 40(6): 96-100. doi: 10.7513/j.issn.1004-7638.2019.06.019
Abstract(64) PDF(2)
Abstract:
The simulation of titanium carbide cluster in high strength low alloyed steel was carried out through discussing the cluster structure and stability by using molecular dynamics（MD） method.Titanium carbide cluster associated with iron matrix was investigated and compared with corresponding independen...
Large Eddy Simulation of Fluctuation Behavior of Free Surface in the Continuous Casting Mould
Zhao Peng
2019, 40(6): 101-107. doi: 10.7513/j.issn.1004-7638.2019.06.020
Abstract(109) PDF(3)
Abstract:
Large Eddy Simulation（LES） method describing behaviour of the fluctuation of free surface in continuous casting mould was constructed.The accuracy of mathematical models was also verified by water experiments.The transient flow field and free surface fluctuations inside the mould were studied.Fluctu...
Refining Process Optimization of Vanadium-bearing Steel 20CrMoV for Automotive Gear
Ye Yanxian, Yu Jiaojiao
2019, 40(6): 108-112. doi: 10.7513/j.issn.1004-7638.2019.06.021
Abstract(42) PDF(2)
Abstract:
In order to optimize the refining process of 20 CrMoV automobile gear steel containing vanadium,the refining tests of 20 CrMoV steel samples at different refining time（20～60 min）and soft blowing time（10～50 min）were carried out.The oxygen content and hydrogen content in the steel samples were measure...
Development of Hot Rolled Ribbed Bars for V-N Micro-alloyed HRB500E
Guo Yuehua
2019, 40(6): 113-117. doi: 10.7513/j.issn.1004-7638.2019.06.022
Abstract(91) PDF(7)
Abstract:
The difficulty in developing the HRB500 E hot-rolled ribbed steel bars is not only to satisfy the high strength,but also ensure that the ratio of tensile/yield strength required for seismic resistance is greater than or equal to 1.25.Some domestic steel mills utilize the VN16 alloying process to pro...
Effect of Vanadium Content on Properties of New High Strength Steel
Li Mei, Wang Qiang, Gao Hongwen, Han Quanye, Zhang Keming
2019, 40(6): 118-121,142. doi: 10.7513/j.issn.1004-7638.2019.06.023
Abstract(138) PDF(8)
Abstract:
In order to study the effect of vanadium content on the properties of Q690-0.5 Al-0.5 In high strength steel,the base chemistry Q690-0.5 Al-0.5 In steel with different vanadium contents had been prepared,and the impact and tensile properties of the samples were measured and analyzed.The results show...
Influence of Heating Rate on Recrystallization Texture of Cold Rolled Deep Drawing Steel Sheet
Tang Mengxia
2019, 40(6): 122-128. doi: 10.7513/j.issn.1004-7638.2019.06.024
Abstract(68) PDF(3)
Abstract:
The recrystallization annealing tests with different heating rate（2 ℃/min,20 ℃/min,350 ℃/min） and holding time（10 min,60 min,300 min） of CSP-DC04 cold rolled deep drawing steel sheet（wt%:0.02 C、0.03 Si、0.2 Mn、0.02 P、0.008 S、0.04 Als、0.007 N） had been conducted by a laboratory tubular resistance furn...
Effect of Static Magnetic Field on Nucleation and Growth Orientation of Fe Atomic
Jin Yongli, Zhang Xiang, Zhang Jieyu, Hou Yanchao
2019, 40(6): 129-134,148. doi: 10.7513/j.issn.1004-7638.2019.06.025
Abstract(72) PDF(3)
Abstract:
In this paper,the effect of static magnetic field on nucleation and growth orientation of Fe atomic was researched from the perspective of crystal structure by the edge-edge matching model and electron backscatter diffraction（EBSD）technique.It is found out that the optimal orientation relation betwe...
Effect of Niobium on Microstructure Evolution and Behaviors of Second Phase Particles of the Reheated As-cast Grain-oriented Silicon Steel
Wang Yong, Li Guangqiang, Zhu Chengyi, Liu Yulong, Liu Yu
2019, 40(6): 135-142. doi: 10.7513/j.issn.1004-7638.2019.06.026
Abstract(48) PDF(2)
Abstract:
The grain oriented silicon steels with different Nb contents were prepared,and the effect of niobium on the microstructure evolution and the behaviors of second phase particles of the as-cast grain-oriented silicon steel during reheating process was studied by high-temperature confocal laser-scannin...
Microstructure and Properties Study of Warm-rolled 304 Austenite Stainless Steel with High Al Content
Guo Xin, Li Heng, Lu Xuefeng, Wei Yupeng, La Peiqing
2019, 40(6): 143-148. doi: 10.7513/j.issn.1004-7638.2019.06.027
Abstract(79) PDF(2)
Abstract:
304 austenite stainless steels with high Al content were warm-rolled and subsequently solution-treated.The effects of Al content and deformation amount on microstructure and properties were investigated.The surface appearance and composition were analyzed by means of OM,EPMA and SEM.The results show...
Effect of Mg on the Inclusions in 20CrMo Gear Steel
Fan Tian, Yang Qiankun, Xie Jianbo, Shen Ping, Fu Jianxun
2019, 40(6): 149-154. doi: 10.7513/j.issn.1004-7638.2019.06.028
Abstract(68) PDF(2)
Abstract:
In order to detect the effect of Mg on the inclusions in 20 CrMo gear steel,the smelting experiments of Mg addition to gear steel were carried out by using a high-temperature tube electric resistance furnace.Combined with the methods of SEM and OM,the morphology and composition of inclusions in this...
Optimization of Extrusion Process for New Energy Automotive Profiles Made from Titanium-magnesium Alloy
Wei Yun, Zhao Xing
2019, 40(6): 155-159. doi: 10.7513/j.issn.1004-7638.2019.06.029
Abstract(85) PDF(2)
Abstract:
The extrusion tests of Mg-Al-Zn-Ti new titanium-containing magnesium alloy for new energy automobile profiles were carried out with different extrusion temperature,extrusion speed and extrusion ratio,and the mechanical properties were tested and analyzed.The results show that the tensile strength an...
Study on the Causes of Falling-off of Welding Iron Oxide Scale in Pickle Sheet for Compressor
Du Yanling, Cao Xiao'en, Zhao Benfeng, Lu Chuanfang, Hong Yuntao, Kong Jiawei, Sun Bin
2019, 40(6): 160-166. doi: 10.7513/j.issn.1004-7638.2019.06.030
Abstract(53) PDF(3)
Abstract:
In this paper the reason for falling-off of welding iron oxide scale in pickle sheet had been investigated by comparing and analyzing chemical composition,microstructure,iron oxide structure,bath depth and sheet thickness of Hansteel’s sheet for Compressor.It is found out that the thickness of iron ...

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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