2020 Vol. 41, No. 3

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Technical Review
Process on China titanium industry in 2019
Jia Hong, Lu Fusheng, Hao Bin
2020, 41(3): 1-7.
Abstract(124) PDF(32)
Abstract:
Separating and Extracting of Vanadium and Titanium
Structure-activity Relationship of Organic Amine Extractants and Their Solvent Extraction of Vanadium
Chen Ziyang, Ye Guohua, Zuo Qi, Xie Yu, Zhang Hao
2020, 41(3): 8-15. doi: 10.7513/j.issn.1004-7638.2020.03.001
Abstract(210) PDF(9)
Abstract:
The structure-activity relationship of organic amine extractants and their mechanism of solvent extraction of vanadium were analyzed.The results show that,organic amines,characterized by anion exchange and N atom as extraction functional group,belong to the alkaline extractants.Primary and tertiary ...
Experimental Study on Direct Acid Leaching of Vanadium-containing Steel Slag Using New Sulfuric Acid and Titanium White Waste Acid
Li Jun, Wu Enhui, Hou Jing, Xu Zhong, Huang Ping, Liu Qianshu, Jiang Yan
2020, 41(3): 16-22. doi: 10.7513/j.issn.1004-7638.2020.03.002
Abstract(95) PDF(3)
Abstract:
Direct acid leaching of vanadium-containing steel slag with new sulfuric acid and titanium white waste acid was carried out.The compositions and structure of the vanadium-containing steel slag were analyzed firstly.The results show that the vanadium-containing steel slag is mainly composed of Ca2SiO...
Efficient Recovery of Ilmenite from Vanadium Bearing Titanomagnetite in Panxi Area
Wang Hongbin, Li Jin, Zhang Guohua
2020, 41(3): 23-29. doi: 10.7513/j.issn.1004-7638.2020.03.003
Abstract(173) PDF(8)
Abstract:
Aiming to solve the problems of low recovery rate,high cost and smaller particle size of products in recovering ilmenite from tailings of a vanadium bearing titanomagnetite in Panxi area via conventional process of strong magnetic separation-strong magnetic separation-flotation,an efficient process ...
Main Phase Evolutions and Micro Zone Leaching Rate of Vanadium and Chromium in Sub-molten Salt Process for Vanadium Slag
Shi Zhixin, Gao Jian, Zhong Xiang
2020, 41(3): 30-35. doi: 10.7513/j.issn.1004-7638.2020.03.004
Abstract(85) PDF(1)
Abstract:
Based on the sub-molten salt process that vanadium and chromium in vanadium slag can be efficiently and selectivity converted into soluble salts at low temperatures,the main phase evolutions,occurrence and change laws of vanadium and chromium elements,and micro zone conversion rate of vanadium and c...
Co-extraction of Vanadium and Aluminum from Ferrovanadium Slag by Sulfuric Acid Roasting
Deng Xiaobo
2020, 41(3): 36-40. doi: 10.7513/j.issn.1004-7638.2020.03.005
Abstract(47) PDF(1)
Abstract:
Ferrovanadium slag generated from ferrovanadium production via electro-aluminothermic method contains high content of aluminum as well as vanadium with high utilization value.Based on the characters of the ferrovanadium slag,sulfuric acid roasting process was selected to extract vanadium and aluminu...
Experimental Study on Oxidation-reduction of Panzhihua Low Silicon Ilmenite Concentrate
Liu Xianghai
2020, 41(3): 41-46. doi: 10.7513/j.issn.1004-7638.2020.03.006
Abstract(70) PDF(1)
Abstract:
With Panzhihua low silicon ilmenite concentrate as the object,the effects of oxidation temperature and time on the phase structure and reduction properties of ilmenite were studied,and the weight loss rate as well as the metallization rate in reduction of the pre-oxidized ilmenite at different tempe...
Application of Vanadium and Titanium
Preparation and Electrochemical Performances of Vanadium or Nickel Doped Lithium Iron Phosphates
Liu Tiantian, Cui Xumei, Wang Ningjun, Li Nali
2020, 41(3): 47-52. doi: 10.7513/j.issn.1004-7638.2020.03.007
Abstract(203) PDF(6)
Abstract:
In this paper,the vanadium or nickel doped cathode material LiFePO4 for lithium ion battery was synthesized by solvothermal method,using water/ethanol as the solvent.The crystal phases and microstructures of the samples were characterized by XRD and SEM,respectively.Furthermore,the electrochemical p...
Microstructure Evolution during Hot Rolling of TA1 Slab Produced by EB Furnace Smelting
Cui Yan, Sun Xinjun, Zhang Zhibo, Yong Qilong
2020, 41(3): 53-58. doi: 10.7513/j.issn.1004-7638.2020.03.008
Abstract(98) PDF(3)
Abstract:
The influences of hot rolling deformation temperature and single pass reduction rate on the microstructure evolution and recrystallization of EB furnace slab during hot rolling were studied by hot rolling experiments and microstructure observation.It is found that the grain size of EB furnace slab i...
Rolling Process Optimization of Vanadium Microalloyed Automobile Titanium Alloy
Sun Feng, Yin Xiaoli, Zhao Da
2020, 41(3): 59-63. doi: 10.7513/j.issn.1004-7638.2020.03.009
Abstract(111) PDF(2)
Abstract:
Rolling tests of Ti-Al-Mo-Cr-V automobile titanium alloy microalloyed with vanadium were carried out by different processes,and the mechanical properties were tested and compared.The results show that the start-rolling temperature and rolling deformation have obvious effects on the mechanical proper...
Optimization of Mechanical Milling Parameters of Negative Alloy for V-Ti Battery
Zhou Guozhu, Guan Xiaoqing
2020, 41(3): 64-68. doi: 10.7513/j.issn.1004-7638.2020.03.010
Abstract(80) PDF(3)
Abstract:
V-20.5 Ti-14 Ni-6 Co-4 Al battery alloy samples for negative electrode were prepared at different mechanical ball milling process parameters,and the charge-discharge cycle stability as well as the corrosion resistance of the obtained samples were tested and compared.The results show that the ball mi...
Study on the Properties of Ti-Al-Nb Alloy
Liu Shulong, Gao Chao, Guo Minna, Yan Ping
2020, 41(3): 69-73. doi: 10.7513/j.issn.1004-7638.2020.03.011
Abstract(171) PDF(5)
Abstract:
The high temperature oxidation resistance and high temperature wear resistance of Ti-Al-Nb alloy samples with different contents of Al and Nb elements were tested,compared and analyzed.The results show that with the increase of Al content and Nb content,the mass gain per unit area and high temperatu...
Effect of Shaft Shoulder Diameter on Properties of Vanadium Titanium Nickel Hydrogen Storage Alloy Modified by Friction Stirring
Wang Donghui, Zhang Yonghong
2020, 41(3): 74-78. doi: 10.7513/j.issn.1004-7638.2020.03.012
Abstract(127) PDF(2)
Abstract:
Friction stirring modification experiments of V3TiNi0.56 hydrogen storage alloy with different shoulder diameters were carried out,and the microstructures and charge-discharge cycle stability were tested and compared.The results show that friction stirring modification can refine the grain size and ...
Resources Environment and Energy Saving
Experimental Study on Durability of High Titanium Heavy Slag Recycled Concrete
Wang Wei
2020, 41(3): 79-83. doi: 10.7513/j.issn.1004-7638.2020.03.013
Abstract(104) PDF(1)
Abstract:
Replacing coarse and fine aggregates of high-titanium heavy slag with 50%,75%,and 100% replacement rates of coarse and fine aggregates of high-titanium heavy slag to prepare high-titanium heavy-slag recycled concrete with strength classes C20,C25,C30 was carried out,and the 28-day strength was measu...
Influence of Vanadium-titanium Magnetite Tailings on Autoclaved Aerated Concrete Block
Shi Lei, Song Xiao
2020, 41(3): 84-89. doi: 10.7513/j.issn.1004-7638.2020.03.014
Abstract(65) PDF(1)
Abstract:
Aerated concrete blocks were prepared from vanadium-titanium magnetite tailings after iron separation from Chengde.The fineness and addition effects of tailing on dry density and compressive strength of samples were studied.The phase compositions and microstructures of samples by tailing addition we...
Experimental Study on Acid Leaching Purification of Titanium Gypsum
Shao Guoqing
2020, 41(3): 90-94. doi: 10.7513/j.issn.1004-7638.2020.03.015
Abstract(77) PDF(2)
Abstract:
The physicochemical properties of titanium gypsum were analyzed and a single factor experimental study on acid leaching purification was carried out.The effects of liquid-solid ratio,leaching time,concentration of leaching solution,leaching temperature and system pressure on the purification of tita...
Application of Advanced Treatment of Coking Wastewater by Ozone Catalytic Oxidation
Zhou Mei
2020, 41(3): 95-98. doi: 10.7513/j.issn.1004-7638.2020.03.016
Abstract(144) PDF(6)
Abstract:
In order to meet the new environmental protection requirements and further improve the treatment level of coking wastewater,the coking wastewater treatment system of a plant in Panzhihua has been upgraded and optimized.The advanced purification treatment of wastewater has been strengthened by using ...
Ferrous Metallurgy and Materials
Study on the Optimization of Fluidization Reduction Conditions of Brazilian Iron Ore Powder
Xu Qiyan, Li Zhiping, Gu Zhanghan, Yin Zhihong
2020, 41(3): 99-104. doi: 10.7513/j.issn.1004-7638.2020.03.017
Abstract(44) PDF(2)
Abstract:
The reduction behavior of Brazilian iron ore powder was studied in a pressurized visible fluidized bed.It was found out that the metallization rate was increased by increasing the pressure properly,and the fluidization state improved by adding carbon powder.In order to further optimize the effects o...
Experimental of Gas-solid Decarbonization Process of Fe-C Alloy Ribbon in Medium Carbon Region
Chen Pengfei, Ai Liqun
2020, 41(3): 105-109. doi: 10.7513/j.issn.1004-7638.2020.03.018
Abstract(95) PDF(1)
Abstract:
In order to study the decarbonization development of iron-carbon alloy in carbon domain,an initial carbon fraction of 1.2% and 1.5 mm thick Fe-C alloy thin strip was used for this purpose.Decarbonization of the strip had been conducted in the form of interface gas-solid reaction.The PH2O/PH2 of the ...
Analysis on Microstructure and Strengthening Mechanisms of V-Ti Micro-alloyed HRB600 High Strength Steel Rebar
Yang Xiaowei, Chen Huande, Zhou Yun, Zhang Yu, Zhu Haitao, Xu Xia
2020, 41(3): 110-115. doi: 10.7513/j.issn.1004-7638.2020.03.019
Abstract(89) PDF(2)
Abstract:
Continues cooling phase transformation behavior and strengthening mechanisms of the V-Ti containing rebarsteel were systematically studied by thermal simulation testing machine,HR-TEM and OM.The result showed that the microstructure of used rebar was composed of ferrite and pearlite at 0.5～1.5 ℃/s c...
Preparation of α-nanometer Iron Oxide by Microwave Hydrolysis
Zhang Yi, Lin Ling, Zhu Xuejun, Wang Jun, Deng Jun, Liao Ni
2020, 41(3): 116-121. doi: 10.7513/j.issn.1004-7638.2020.03.020
Abstract(99) PDF(6)
Abstract:
Herein,nano α-Fe2O3 was synthesized through microwave assisted hydrolysis method with FeCl3 as raw material,triethylenetetramine（TETA） as ligand.The properties of the nano α-Fe2O3 products were analyzed and compared through laser particle size analyzer,FT-IR,and UV-Vis spectra.Microwave assisted hyd...
Optimization of CaO/Al2O3 Ratio in Refining Slag for 12Mn Steel
Wang Xu, Wei Jun, Chou Shengtao, Li Zhaoling, Li Wei
2020, 41(3): 122-127. doi: 10.7513/j.issn.1004-7638.2020.03.021
Abstract(100) PDF(2)
Abstract:
By adjusting the slag system of 12 Mn steel refining and optimizing the CaO/Al2O3ratio,the desulfurization rate of the slag system is increased,the melting temperature is reduced,and the oxygen content in the steel is diminished.The results showed that the CaO/Al2O3 ratio decreased from the average ...
In-situ Observation on the Formation and Aggregation of Al2O3 Inclusions in Molten Steel
Shen Chang, Zheng Fuzhou, Chen Jie, Yang Zheng
2020, 41(3): 128-131,142. doi: 10.7513/j.issn.1004-7638.2020.03.022
Abstract(75) PDF(1)
Abstract:
The formation of Al2O3 inclusions,aggregation and movement of Al2O3 clusters to solid-liquid interface are observed by high temperature laser confocal microscopy.It is found outthat it takes only 1.5 s to form Al2O3 granulates and the Al2O3 granulates far from 145 μm apart gather into a 78 μm cluste...
High Temperature Mechanical Property of 09CrCuSb Steel Slab
Hu Hailiang, Zhu Liguang, Sun Ligen, Zhou Jingyi
2020, 41(3): 132-136. doi: 10.7513/j.issn.1004-7638.2020.03.023
Abstract(125) PDF(5)
Abstract:
The high temperature mechanical properties of 09CrCuSb steel billet were tested by the hot tensile test technique with Gleeble-3500 system.The stress-strain curve,high temperature strength,thermo-plasticity and plastic modulus with temperature in the range of 650～1 300 ℃were obtained.The results sho...
Effect of Aging Treatment on Microstructure and Mechanical Properties of 06Cr15Ni5Cu2Ti Steel
Bai Qingqing
2020, 41(3): 137-142. doi: 10.7513/j.issn.1004-7638.2020.03.024
Abstract(79) PDF(2)
Abstract:
The effects of aging treatment on microstructure and mechanical properties of martensite precipitation hardening stainless steel 06Cr15Ni5Cu2 Ti were studied by means of phase diagram calculation,tension test,optical microscope,scanning electron microscope and transmission electron microscope.After ...
Effect of Sulfur Element on Microstructure and Magnetic Properties of the Finished Non-oriented Silicon Steel Sheets
Zhang Feng
2020, 41(3): 143-149. doi: 10.7531/j.issn.1004-7638.2020.03.025
Abstract(181) PDF(3)
Abstract:
Based on the industrial manufactured 0.25%Si non-oriented silicon steel sheets,the effect of sulfur concentration on microstructure and magnetic properties of the finished steel sheets was discussed,in order to find out the mechanism of sulfur element acting in non-oriented silicon steel sheets.The ...
Effect of Heat Treatment Process on Microstructure and Properties of 80 kg Hydropower Station Steel
Feng Lulu, Qiao Wenwei, Lu Xiuyu
2020, 41(3): 150-155. doi: 10.7531/j.issn.1004-7638.2020.03.026
Abstract(92) PDF(2)
Abstract:
The influence of heat treatment process on the microstructure and properties of 80 kg hydropower station steel was studied by optical microscope,tensile testing machine and low-temperature impact toughness testing machine.The microstructure changes of steel at different quenching and tempering tempe...
Influence Analysis of A356 Aluminum Alloy Forming Process Based on Ti Element
Zhao Liping
2020, 41(3): 156-160. doi: 10.7531/j.issn.1004-7638.2020.03.027
Abstract(56) PDF(1)
Abstract:
In view of the aluminum alloy is good process performance,based on the research,on the basis of A356 aluminum alloy solid forming for air processing for the A356 aluminum alloy shell of the robot design, adding titanium can effectively reduce the content of iron,to effectively control the number of ...
Research on Resistance Spot Welding Process of SAPH440 Pickled Plate
Yu Tengyi
2020, 41(3): 161-165. doi: 10.7531/j.issn.1004-7638.2020.03.028
Abstract(48) PDF(1)
Abstract:
The research object was SAPH440 pickling plate,the thickness was 2.0 mm.Comprehensively evaluated the mechanical properties of the joint by testing the shear and cross tensile properties,Axio Obersver A1 m optical microscope was used for microstructure and nugget diameter examination,and create spot...
Analysis and Control of Transverse Crack on Surface of ER70-Ti Welding Wire Steel Billet
Zhu Liguang, Zhang Xiaoshi, Liu Zengxun, Wang Xingjuan, Po Zhanlong, Zhang Mingbo, Kang Aiyuan
2020, 41(3): 166-171. doi: 10.7513/j.issn.1004-7638.2020.03.029
Abstract(59) PDF(1)
Abstract:
In the process of producing ER70-Ti titanium-containing welding wire steel billet in Chengde Iron and Steel Company,serious transverse cracks occurred in the slab.In order to find out the causes of lateral crack defects,the solidification characteristics of ER70-Ti steel were analyzed by FactSage th...
Study on Fracture Failure of 40Cr Screw Shaft
Dong Xuejiao, Yang Dawei, Liu Jinyan, Liu Zhaohua, Huang Jie
2020, 41(3): 172-176. doi: 10.7513/j.issn.1004-7638.2020.03.030
Abstract(86) PDF(4)
Abstract:
The early fracture failure of 40 Cr screw shaftoccurred in a water treatment station of a factory after service for 4 years.The fracture causes were analyzed by chemical composition analysis,mechanical properties detection,scanning electron microscope and optical microscope.The results show that the...

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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