2023 Vol. 44, No. 1

Separating and Extracting of Vanadium and Titanium
Development and analysis on 2022 titanium dioxide industry in China
Bi Sheng
2023, 44(1): 1-3. doi: 10.7513/j.issn.1004-7638.2023.01.001
Abstract(976) HTML (835) PDF(712)
Abstract:
This paper summarizes and sorts the operational data of titanium dioxide industry in China in 2022, such as production capacity, yield, apparent market demand, production capacity distribution, etc., and focuses on analyzing the recent growth trend of titanium dioxide production capacity and the cor...
Effect of structural evolution of metatitanic acid on sulfur content during hydrolysis of industrial TiOSO4 solution
Tian Congxue, Wang Qinghong, Lian Zongxin, Liu Ji, Li Mei
2023, 44(1): 4-9. doi: 10.7513/j.issn.1004-7638.2023.01.002
Abstract(391) HTML (144) PDF(37)
Abstract:
The effect of structural evolution of metatitanic acid on sulfur content was investigated by hydrolyzing the industrial TiOSO4 solution via thermal hydrolysis method with extra-adding seed. The hydrolysis process was divided into fast hydrolysis stage and slow maturation stage, the change of hydroly...
Study on the effect of calcined seed crystal addition on the quality of TiO2
Wu Jianchun, Lu Ruifang, Sun Qiang, Shi Ruicheng, Liu Chan
2023, 44(1): 10-14. doi: 10.7513/j.issn.1004-7638.2023.01.003
Abstract(357) HTML (121) PDF(41)
Abstract:
Using hydrolyzed metatitanic acid and calcined seed crystals as raw materials, different proportions of calcined seed crystals were added to metatitanic acid, and the calcination temperature was adjusted to prepare the TiO2 product with a rutile content of 98% to 99%. The influence of the amount of ...
Reduction kinetics of iron oxide in metatitanic acid by organic reductant
Mao Xuehua, Wang Jun
2023, 44(1): 15-19. doi: 10.7513/j.issn.1004-7638.2023.01.004
Abstract(242) HTML (70) PDF(25)
Abstract:
The reduction kinetics of iron oxide in metatitanic acid by organic reductant was investigated in the paper to explore the process mechanism and guide the actual production. The results show that the step reaction order is one for the organic reductant and two for iron oxide. Under the condition of ...
Experimental study on multistage continuous countercurrent decantation for vanadium containing leaching ore pulp
Fang Chen
2023, 44(1): 20-25. doi: 10.7513/j.issn.1004-7638.2023.01.005
Abstract(266) HTML (63) PDF(29)
Abstract:
After acid leaching of vanadium-bearing steel slag, the slurry is flocculated and concentrated to produce high-concentration leached slag. For subsequent recovery of vanadium ions, the multistage continuous countercurrent decantation is used to wash the leached residue. Through the flocculation sedi...
Effect of potassium hydroxide on preparation of rutile TiO2
Ma Weiping, Sun Ke, Wang Haibo
2023, 44(1): 26-31. doi: 10.7513/j.issn.1004-7638.2023.01.006
Abstract(224) HTML (205) PDF(31)
Abstract:
A certain amount of potassium hydroxide was added to the hydrated titanium dioxide to study the mechanism of potassium in the system during the transition from hydrated titanium dioxide to rutile titanium dioxide, and the effect of potassium on the particle size and viscosity of hydrated titanium di...
Application of Vanadium and Titanium
Synthesis and sodium storage properties of V2O5/graphene nanocomposites
Zheng Hao, Peng Yi, Wang Shiwei, Meng Weiwei, Du Guangchao
2023, 44(1): 32-37. doi: 10.7513/j.issn.1004-7638.2023.01.007
Abstract(444) HTML (134) PDF(57)
Abstract:
Vanadium pentoxide (V2O5) has attracted extensive attention due to its layered structure, abundant resources, high capacity, low cost, high Na+ ionic conductivity, small volume change during Na-ion insertion/extraction, and mesopotential platform. V2O5/graphene nanocomposites were successfully prepa...
Research on hot deformation behaviors of short-time high temperature titanium alloy
Wang Zhenling, Yu Yucheng, Han Jiaping, Peng Hao
2023, 44(1): 38-43. doi: 10.7513/j.issn.1004-7638.2023.01.008
Abstract(515) HTML (143) PDF(158)
Abstract:
The thermal simulation test was carried out and high temperature deformation behavior of the as-cast Ti-6Al-4Sn-8Zr-0.8Mo-1.5Nb-1W-0.25Si short-time high temperature titanium alloy was studied. The experimental results show that the deformation of Ti-6Al-4Sn-8Zr-0.8Mo-1.5Nb-1W-0.25Si alloy is sensit...
Effect of duplex aging on microstructure and mechanical properties of cold-rolled nearly β titanium sheets with high strength
Kang Xudong, Chen Keru, Wang Zhen, Du Zhaoxin, Guo Wenxia
2023, 44(1): 44-48. doi: 10.7513/j.issn.1004-7638.2023.01.009
Abstract(277) HTML (62) PDF(33)
Abstract:
Ti-3.5Al-5Mo-6V-3Cr-2Sn-0.5Fe titanium alloy was subjected to duplex aging heat treatment, and the effect of double-stage aging on the microstructure and properties of high-strength β-titanium alloy was comparatively studied. The aging temperature was 650 ℃+450 ℃. The research results show that the ...
Synthesis and properties of the diatomite/BiVO4 composite photocatalysts
Liu Jingjing, Yan Yue’e
2023, 44(1): 49-55. doi: 10.7513/j.issn.1004-7638.2023.01.010
Abstract(295) HTML (67) PDF(22)
Abstract:
The diatomite/BiVO4 composite materials with different diatomite content (5%~80%) were prepared by liquid precipitation method. The samples were characterized by XRD and UV-Vis. The results show that the composite consists of monoclinic BiVO4, tetragonal BiVO4 and SiO2. BiVO4 can be transformed into...
Microstructure evolution of Ti-Ni series titanium alloy foil during annealing
Tang Min, Xing Yuan, Wang Liya, Yang Liu
2023, 44(1): 56-63. doi: 10.7513/j.issn.1004-7638.2023.01.011
Abstract(217) HTML (57) PDF(26)
Abstract:
The 0.15 mm Ti-Ni alloyed titanium foil was annealed under different conditions, and its microstructure and texture evolution after annealing were systematically studied by Electron Backscatter Diffraction (EBSD). The results show that when the titanium alloy foil is isothermally annealed, with the ...
Y2O3 dispersion strengthened TC4 powder and its laser cladding microstructure
Zhang Chengyang, He Siyi, Yang Wei, Guo Shuangquan, Wang Ning, Xu Yi
2023, 44(1): 64-71. doi: 10.7513/j.issn.1004-7638.2023.01.012
Abstract(475) HTML (107) PDF(27)
Abstract:
Laser cladding repairing technology can be used to repair damaged TC4 alloy components. Compared with forged components, oxygen is more easily introduced during laser cladding, which results that cladding components have the problems of high oxygen content and low strength. In this study, TC4-xY (x ...
Effect of heat treatment on the microstructure and properties of TiBw reinforced high-temperature titanium matrix composite
Yang Dongjie, Yang Zhenbo, Sun Yonggang, Feng Hong, Zhang Shuzhi, Zhi Shaoyong, Zhang Changjiang
2023, 44(1): 72-77. doi: 10.7513/j.issn.1004-7638.2023.01.013
Abstract(291) HTML (91) PDF(16)
Abstract:
The microstructure and properties of TiBw reinforced high-temperature titanium matrix composite forgings formed by integral forging and the effects of different heat treatment processes on the microstructure and properties of forgings were studied by scanning electron microscope and electronic unive...
Effect of multi direction forging on microstructure and properties of titanium alloy for automobile manufacturing
Gao Yanan, Zheng Lei, Zhang Quanyu
2023, 44(1): 78-83. doi: 10.7513/j.issn.1004-7638.2023.01.014
Abstract(259) HTML (55) PDF(26)
Abstract:
In this paper, the multi-directional forging test of Ti80 titanium alloy for automobile manufacturing was carried out, and the microstructure, room temperature mechanical properties and wear resistance of the alloy samples were tested and analyzed. The results show that the forging temperature and t...
Resources Metallurgy and Materials
Study on the technology of enhanced reduction-magnetic separation of titanium and iron from calcium-based vanadium extraction tailings
Gao Feng, Du Hao, Liu Biao, Wang Shaona, Liang Peng, Zhang Yi
2023, 44(1): 84-91. doi: 10.7513/j.issn.1004-7638.2023.01.015
Abstract(270) HTML (92) PDF(24)
Abstract:
In this paper, the direct reduction-magnetic separation method was used to recover Fe from vanadium titano-magnetite (VTM) tailings. Under the conditions of reduction temperature 1250 ℃, reduction time 2 h and reducing agent dosage 20% of the mass of the tailings, the metallization rate of pellets w...
Application of METSIM on vanadium extraction from vanadium bearing steel slag with pressure strengthening
Wang Haixu, Li Lanjie, Bai Li, Wan Heli
2023, 44(1): 92-97. doi: 10.7513/j.issn.1004-7638.2023.01.016
Abstract(215) HTML (62) PDF(24)
Abstract:
In this paper, in view of the key steps in the vanadium extraction process, METSIM software was used to carry out the process modeling and material balance in the extraction process from vanadium bearing steel slag using pressure strengthening , and the mass flow rate of each logistics and the detai...
Preparation and properties of composite cementitious materials containing vanadium-titanium iron ore tailings
Wang Changlong, Ma Jintao, Yang Fenghao, Zhang Gaoqing, Chen Jingliang, Jing Jianlin, Li Xin, Zhai Yuxin, Liu Feng
2023, 44(1): 98-105. doi: 10.7513/j.issn.1004-7638.2023.01.017
Abstract(395) HTML (82) PDF(39)
Abstract:
In order to improve the high-quality and large-scale effective utilization of vanadium-titanium iron ore tailings (VIOTs), composite cementitious materials (CCM) were prepared with VIOTs as the main raw materials. The effects of grinding characteristics of VIOTs, content of VIOTs on the properties o...
Research on pre-concentration of a low grade ilmenite ore in Panxi region
Cao Yuchuan, An Dengji, Li Huiyue, Yang Liuyi, Guo Rui
2023, 44(1): 106-110. doi: 10.7513/j.issn.1004-7638.2023.01.018
Abstract(383) HTML (117) PDF(31)
Abstract:
A low-grade ilmenite in Panxi region contains TFe 17.14% and TiO2 6.32%, which is currently in the undeveloped state. For the equal and efficient exploitation and utilization of Fe and Ti in the ore, research on pre-concentration to remove part of tailings, reduce grinding amount and increase feed g...
Ferrous Metallurgy and Materials
Non-isothermal reduction kinetics of carbon-coated vanadium-titanium magnetite powder
Gao Yice, Hao Suju, Jiang Wufeng, Zhang Yuzhu, Bo He
2023, 44(1): 111-118. doi: 10.7513/j.issn.1004-7638.2023.01.019
Abstract(244) HTML (58) PDF(22)
Abstract:
To accurately explore the dynamics of carbon reduction reaction of vanadium-titanium magnetite powder, the test was conducted by hydrothermal method without adding any modifier. Carbon-coated vanadium-titanium magnetite powder was prepared with glucose as carbon source. The heating curves of weightl...
Research on the interaction mechanism between different burden for blast furnace of Pangang
Xie Hong’en, Zhu Fengxiang, Hu Peng, Zheng Kui
2023, 44(1): 119-128. doi: 10.7513/j.issn.1004-7638.2023.01.020
Abstract(255) HTML (47) PDF(28)
Abstract:
In order to explore the interaction mechanism between different burdens in the softening-melting process of the blast furnace in Pangang, the softening-melting properties of different single burdens and their mixed burden were tested. Meanwhile, the interrupt experiment of softening-melting properti...
Mathematical simulation and industrial experiment study on bottom blowing process of 40 t eccentric arc furnace
Fu Jianhui, Liu Tingyao, Chen Jun
2023, 44(1): 129-134. doi: 10.7513/j.issn.1004-7638.2023.00.021
Abstract(290) HTML (299) PDF(37)
Abstract:
This paper establishes a mathematical model of bottom gas blowing for a 40 t eccentric electric arc furnace in a steel plant. The fluid flow characteristics in the bath of an electric arc furnace under different bottom blowing conditions were numerically simulated using Fluent software. The effect o...
Effect of C and N content on the microstructure and performance of 316H austenitic stainless steel used in sodium-cooled fast reactor heat exchanger
Song Guangdong, Li Xin, Liu Mengmeng, Li Xiaobing, Li Haoze, Gao Ming
2023, 44(1): 135-141. doi: 10.7513/j.issn.1004-7638.2023.01.022
Abstract(227) HTML (56) PDF(27)
Abstract:
316H austenitic stainless steel is used as the main structural material of the Chinese fourth-generation advanced sodium-cooled fast reactor heat exchanger. The premise of realizing domestic production is to obtain the reasonable control limit of the key trace-elements such as C and N. However, the ...
Simulation research of inclusive removal by argon blowing stirring during ladle tapping process
Li Yang, Wu Chenhui, Deng Anyuan, Zeng Jianhua, Zhang Min, Yang Xiaodong
2023, 44(1): 142-150. doi: 10.7513/j.issn.1004-7638.2023.01.023
Abstract(308) HTML (95) PDF(35)
Abstract:
Based on the process of ladle tapping, a five-phase numerical model including molten steel, molten slag, gas phase, argon bubble and inclusion had been established and used to investigate the feasibility of improving inclusions removal by argon blowing stirring during the tapping process, and the ef...
Effect of in-situ (W&Ti)C complex particles on wear behavior of high chromium cast iron
Wang Shuai, Li Yingmin, Zheng Zhibin, Wang Juan, Long Jun, Zheng Kaihong, Zhang Jian, Diao Xiaogang
2023, 44(1): 151-157. doi: 10.7513/j.issn.1004-7638.2023.01.024
Abstract(258) HTML (56) PDF(21)
Abstract:
High chromium cast iron matrix composites reinforced with (W&Ti)C composite particles were prepared by in situ method, and the effect of reinforced particles on the microstructure and wear behavior of the material was studied. The results show that the presence of WC and TiC particles in the com...
Research on the effect of Nb-V composite microalloying on austenite recrystallization of pipeline steel
Ma Qilin, Jia Shujun, Yin Shubiao, Li Ba, Liu Qingyou
2023, 44(1): 158-166. doi: 10.7513/j.issn.1004-7638.2023.01.025
Abstract(218) HTML (56) PDF(19)
Abstract:
Through heat treatment test, microstructure observation, thermodynamic model calculation and thermo-cacl software, the austenite grain size as well asthe dissolution and precipitation behavior of microalloying elements in pipeline steel during reheating had been investigated.. The results show that ...
Production process optimization of high-quality steel for engineering machinery
Zhai Dongyu, Zhang Youyou, Lei Xiaorong, Liu Shuai, Chang Yunhe
2023, 44(1): 167-174. doi: 10.7513/j.issn.1004-7638.2023.01.026
Abstract(240) HTML (76) PDF(32)
Abstract:
Hot-rolled steel plates used in engineering machinery have strict requirements not only on mechanical properties but also on surface quality. NISCO successfully produced hot-rolled steel plates for high-quality engineering machinery by optimizing chemical composition design, controlling molten steel...
Evolution of microstructure and texture for Hi-B steel using low-temperature slab heating
Liu Lei, Guo Feihu, Shi Pengzhao, Qiao Jialong, Tian Yushi, Qiu Shengtao
2023, 44(1): 175-180. doi: 10.7513/j.issn.1004-7638.2023.01.027
Abstract(222) HTML (51) PDF(23)
Abstract:
The evolutions of microstructure and texture for Hi-B steel using low-temperature slab heating technology were studied by optical microscope and X-ray diffractometer. The results show that the distribution of microstructure and texture is not uniform from the surface to the center layer in the hot-r...
Study on hydrogen embrittlement resistance of vanadium molybdenum microalloyed 32MnB5 hot formed steel
Li Yuanyuan, Zhang Songqi, Wang Dejun
2023, 44(1): 181-187. doi: 10.7513/j.issn.1004-7638.2023.01.028
Abstract(329) HTML (135) PDF(17)
Abstract:
Different contents of vanadium and molybdenum were added into the traditional 32MnB5 hot formed steel under laboratory conditions, the hydrogen embrittlement sensitivity of the microalloyed material was evaluated by slow strain rate tensile test, and the change mechanism of hydrogen embrittlement re...
Effect of Te on sulfides and properties of 303Cu stainless steel
Zhu Qiangbin, Ji Dengping, Yan Daocong, Li Li, Fu Jianxun
2023, 44(1): 188-196. doi: 10.7513/j.issn.1004-7638.2023.01.029
Abstract(250) HTML (131) PDF(16)
Abstract:
In order to study the industrial application effect of Te metallurgy in 303Cu stainless steel, the industrial production test of adding Te to 303Cu stainless steel was carried out. The influence of Te addition on the corrosion resistance of 303Cu free-cutting stainless steel was investigated, and th...