钢铁钒钛

The current status and prospects of titanium industry in China

TAN Rui, HE Shuangjiang, HU Meilong, YU Wenzhou, LIANG Wei, BAI Chenguang

2025, 46(1): 1-9. doi: 10.7513/j.issn.1004-7638.2025.01.001

Abstract(168) HTML (39) PDF(77)

Abstract:
This paper systematically summarizes the development history and current situation of China’s titanium industry from the aspects of titanium resource distribution, production and processing, application fields, and distribution pattern of related enterprises. The paper analyzes the current problems ...

Recent progress developments on vanadium and chromium separation in vanadium extraction leachate from vanadium slag

WANG Zhenghao

2025, 46(1): 10-19. doi: 10.7513/j.issn.1004-7638.2025.01.002

Abstract(102) HTML (31) PDF(28)

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Vanadium and chromium commonly coexist in nature as associated minerals in vanadium-titanium magnetite, which presents a significant technical challenge for their efficient separation during resource extraction. In light of this issue, several commonly employed vanadium and chromium separation techn...

Study on the impurities removal process of calcified vanadium liquid by extraction process

WANG Jingpeng, YE Lu

2025, 46(1): 20-24, 33. doi: 10.7513/j.issn.1004-7638.2025.01.003

Abstract(46) HTML (15) PDF(6)

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The acidic calcified vanadium solution from Pangang Xichang Vanadium Plant was the research object in this study. In response to its characteristics of low acidity, high vanadium content, and difficulty in impurities removal, an extraction process was adopted to specifically remove Mn²⁺, Ca²⁺ and Fe^...

Study on the clean extraction process of vanadium pentoxide from vanadium ore of stone coal by atmospheric pressure wet method

WAN Hongqiang, LI Jing, TIAN Hongqing, LUO Hao, ZHANG Lifen, TIAN Ziyu

2025, 46(1): 25-33. doi: 10.7513/j.issn.1004-7638.2025.01.004

Abstract(63) HTML (22) PDF(7)

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In view of the increasing environmental protection and energy saving requirements of vanadium extraction from stone coal year by year, a clean process for V₂O₅ extraction by atmospheric pressure wet method including water leaching, extraction separation, vanadium precipitation and calcination was de...

Study on the effect of zinc or aluminium salt treatments on the surface properties of TiO₂

SHANG Yuting, LIU Chan, LU Ruifang, YANG Fang, FENG Yujun, YIN Hongyao

2025, 46(1): 34-39. doi: 10.7513/j.issn.1004-7638.2025.01.005

Abstract(41) HTML (18) PDF(4)

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In the production process of titanium dioxide by sulfuric acid method, the selection of salt treatment agents has a significant impact on the surface properties of rutile titanium dioxide crystals. Thus it is necessary to carry out an in-depth study to reveal the differences in the surface propertie...

The investigation of Ru alloying on the electrochemical behaviour of pure Ti

GAO Qiang, TENG Aijun, KANG Qiang, WANG Peng, ZHANG Laiqi

2025, 46(1): 40-44. doi: 10.7513/j.issn.1004-7638.2025.01.006

Abstract(41) HTML (20) PDF(7)

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The effect of pure Ti alloyed with different Ru content on the microstructure and electrochemical behaviour was studied for the need of further improvement in corrosion resistance and conductivity of titanium bipolar plates in proton exchange membrane water electrolysis environments. Results indicat...

Carbon enriched defect and the associated deformation cracking behaviors in a titanium alloy

ZHENG Youping, WANG Liya, QIN Haixu, GENG Naitao, LI Lu, CHEN Wei

2025, 46(1): 45-52. doi: 10.7513/j.issn.1004-7638.2025.01.007

Abstract(98) PDF(12)

Abstract:
Since the contacting ultrasonic detection results indicated some defects existed in a bar of Ti-6Al-4V alloy, researching work had been carried out using optical microscope, scanning electron microscope metallographic analysis, microhardness, energy spectrum, electron probe, backscatter electron dif...

Electrochemical corrosion behaviors of commercially pure titanium fabricated by equal channel double angular pressing

ZHANG Xiang, WANG Xiaoxi, ZHU Yingsong, ZHANG Fei, WANG Haibo, LI Lin, LIANG Tingyu

2025, 46(1): 53-59. doi: 10.7513/j.issn.1004-7638.2025.01.008

Abstract(41) HTML (19) PDF(5)

Abstract:
Commercially pure titanium (CP-Ti) was successfully fabricated by 2 passes of equal channel double angular pressing (ECDAP) process under BC route. The electrochemical corrosion behaviors of CP-Ti before and after ECDAP were also tested and analyzed in a 3.5%NaCl solution. The variation laws of circ...

Influences of cold rolling deformation and annealing temperature on the microstructures and properties of pure titanium seamless tubes

LI Xiaoyu, CHENG Xiaowei, XIAO Qiang, TANG Min, LIU Xin, LI Lu, QIN Huiyi

2025, 46(1): 60-66. doi: 10.7513/j.issn.1004-7638.2025.01.009

Abstract(46) HTML (21) PDF(6)

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Pure titanium tubes with different cold rolling deformations were annealed at different temperatures (450、470、490 ℃) to investigate the influences of deformations and annealing temperatures on the microstructures, texture evolution and mechanical properties of tubes. It is shown that the microstruct...

Numerical simulation of thermal tension straightening and optimization of process parameters on TC4 bar

WANG Baolin, HUANG Wenbin, WANG Fuqiang, BAI Chunguang, MU Shenglong, WANG Ran, ZHANG Zhiqiang

2025, 46(1): 67-74. doi: 10.7513/j.issn.1004-7638.2025.01.010

Abstract(39) HTML (15) PDF(5)

Abstract:
Shape bending often occurs during the production process of titanium alloy bars, and thermal tension straightening is an effective straightening method. In this study, the thermal tension straightening model of TC4 bar was established by using the finite element simulation software ABAQUS. The influ...

Effect of welding current on droplet transition in MIG welding of TC4 titanium alloy

HE Yifan, CHEN Donggao, WANG Dafeng, LI Qian, ZHANG Long, YANG Wenjing, DAI Yu, DONG Zhihai

2025, 46(1): 75-80. doi: 10.7513/j.issn.1004-7638.2025.01.011

Abstract(50) HTML (17) PDF(5)

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TC4 is a α+β duplex titanium alloy with low density, high specific strength, good weldability and corrosion resistance, which is widely used in weapons, aviation, aerospace, ships and orbits, and is one of the important materials for product lightweight. MIG-MAG welding was used to study the influen...

Preparation of high purity tetragonal barium titanate by microchannel synthesis method

TAN Ling, XU Jinxiu, LI Daoyu, HUANG Senhong, WANG Xiaohui, HU Yijie, XIN Yanan

2025, 46(1): 81-85. doi: 10.7513/j.issn.1004-7638.2025.01.012

Abstract(35) HTML (17) PDF(6)

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The industrial technologies of tetragonal barium titanate mainly include solid-state method and hydrothermal synthesis method, but there are problems such as large particles, uneven particle size distribution, and low tetragonal phase content. Tetragonal barium titanate was successfully prepared by ...

A review on the activation of high-titanium blast furnace slag powder and its application in concrete

ZHOU Xiaojun, LU Li, ZHOU Xianliang, YANG Yuanyi, AO Jinqing

2025, 46(1): 86-93, 106. doi: 10.7513/j.issn.1004-7638.2025.01.013

Abstract(78) HTML (39) PDF(14)

Abstract:
High-titanium blast furnace slag, as an ordinary industrial solid waste, is characterized by low activity and low utilization rate due to its high TiO₂ content and predominantly crystalline and stable mineral components, resulting in its accumulation. To better address the issues of low activity and...

Study on the preparation and properties of high titanium slag aggregate concrete using magnetized water

TU Minjie

2025, 46(1): 94-99. doi: 10.7513/j.issn.1004-7638.2025.01.014

Abstract(39) HTML (11) PDF(9)

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To improve the workability and mechanical properties of high titanium slag aggregate concrete, this paper proposed the use of magnetized water for its preparation. The study investigated the effects of different flow rates of magnetized water on the workability and mechanical properties of high tita...

Study on process mineralogy of a titanium concentrate from Panzhihua

LAI Yang, YANG Yaohui, HUI Bo, XU Ying, ZHENG Guoshun

2025, 46(1): 100-106. doi: 10.7513/j.issn.1004-7638.2025.01.015

Abstract(46) HTML (21) PDF(9)

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This study focused on a specific case - titanium concentrate from Panzhihua. Detailed process mineralogy research was conducted using chemical element analysis, AMICS, EPMA, XRD, SEM and optical microscope identification. The research reveals that the ilmenite concentrate contains 48.03% TiO₂ and 33...

Study on the effect of microwave pretreatment on the grinding characteristics of vanadium titanium-magnetite based on grinding kinetics

WANG Junpeng

2025, 46(1): 107-111. doi: 10.7513/j.issn.1004-7638.2025.01.016

Abstract(33) HTML (16) PDF(6)

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Batch grinding experiments of vanadium titanium-magnetite (VTM) with different grinding times before and after microwave treatment were carried out. The m-order grinding kinetics model of untreated and microwave treated VTM was established, and the effects of particle size and grinding time on the g...

Study on the effect of multi area controllable electromagnetic braking on behavior of non-uniform molten steel flow and steel-slag interface in the mold

XU Lin, PEI Qunwu, LI Nan, LIU Cong, XU Heyuan

2025, 46(1): 112-123. doi: 10.7513/j.issn.1004-7638.2025.01.017

Abstract(67) HTML (24) PDF(8)

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In the process of continuous casting, the distortion of molten steel flow in mold caused by nozzle clogging is a key factor affecting the quality and production efficiency of castings. To solve this problem, a multi area controllable electromagnetic braking (MAC-EMBr) technology is proposed to impro...

Solidification microstructure evolution and inclusion analysis of Ce-containing 7Mo super-austenitic stainless steel

WANG Qi, DU Yue, WANG Lijun, ZHANG Wei, ZHENG Yaxu, LU Suling, ZHU Liguang

2025, 46(1): 124-132. doi: 10.7513/j.issn.1004-7638.2025.01.018

Abstract(55) HTML (17) PDF(8)

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Rare earth Ce treatment is a hot topic in the modification of solidification microstructure for super austenitic stainless steel. In this study, the solidification phase structure, evolution of inclusions, and element segregation behavior of a 500 kg scale Ce-treated 7Mo super austenitic stainless s...

Optimization of the electromagnetic stirring position at solidification end of 50CrV continuous casting billet

GAO Qing, YANG Wenzhi, YANG Jian, CHEN Botao, ZHENG Xinyu, FENG Qi, SUN Yanhui

2025, 46(1): 133-140. doi: 10.7513/j.issn.1004-7638.2025.01.019

Abstract(45) HTML (18) PDF(6)

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In order to calibrate the solidified end position of the 50CrV spring steel billet with 240 mm×240 mm section and determine the reasonable position of electromagnetic stirring at the solidification end, the nail shooting experiment was carried out on the Xianggang billet continuous caster. The resul...

Research progress of preparation of refractory high entropy alloy powder

ZHAO Yumin, SHI Qi, LIU Binbin, TAN Chong, LIU Xin, ZHOU Ge, DING Zhongyao, QIN Feng

2025, 46(1): 141-151. doi: 10.7513/j.issn.1004-7638.2025.01.020

Abstract(38) HTML (23) PDF(7)

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The near-net forming process such as additive manufacturing provides technical paths for the preparation of complex parts of refractory high-entropy alloys, and also puts forward higher performance requirements for their powders. In this paper, the composition design criteria of refractory high-entr...

Research on the control of inclusions in the vacuum induction melting process of GH4169

LI Jing, ZHOU Yang, JIANG Shichuan

2025, 46(1): 152-157. doi: 10.7513/j.issn.1004-7638.2025.01.021

Abstract(31) HTML (17) PDF(6)

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Inclusions in superalloys are the main factors affecting the metallurgical quality and performance of the alloys. The control methods of inclusions in the vacuum induction melting process of GH4169 had been investigated from two aspects: melting process and raw material. Firstly, three batches of GH...

Effects of cerium and calcium treatment on the inclusions in NM450 steel

GUO Shuhao, LIU Jinrui, GAO Jun, FAN Lifeng, CUI Heng

2025, 46(1): 158-164. doi: 10.7513/j.issn.1004-7638.2025.01.022

Abstract(36) HTML (18) PDF(5)

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The effects of Ca treatment and Ce treatment on the steel inclusions during the steelmaking process of Ce-contented NM450 steel were studied. The evolution process of inclusions in steel was analyzed by Scanning electron microscope-energy dispersive spectrometer ( SEM-EDS ) equipped with AZtecFeatur...

Creep damage model prediction and finite element simulation of GH3128

KANG Xiaodong, TIAN Zihang, LIU Yong, ZHANG Shen, FANG Longfei

2025, 46(1): 165-169. doi: 10.7513/j.issn.1004-7638.2025.01.023

Abstract(34) HTML (19) PDF(4)

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Creep damage equation construction and finite element simulation were used to analyze the high temperature creep behavior of GH3128 alloy at 950 ℃. Firstly, the creep damage equation was constructed by combining the K-R model, the Sinh model and the Liu-M model. Then the life prediction and damage b...

Sliding wear behavior of HB550 grade low-alloy martensite wear-resistant steel

LI Yanlong, LIU Man, SUN Linyu, WU Junhui, GAN Xiaolong, XU Guang

2025, 46(1): 170-177. doi: 10.7513/j.issn.1004-7638.2025.01.024

Abstract(32) HTML (15) PDF(5)

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The microstructure and mechanical properties of the newly developed HB550 low-alloy high-strength wear-resistant steel were studied through optical microscope, scanning electron microscopy, tensile tests, and Vickers hardness tests. Meanwhile, the sliding wear behavior and the friction coefficient o...

Effect of Nb and V on the microstructures and properties of X80 hot pipe steel

AN Tao, LIU Wenyue, LI Tianyi, ZANG Yan, LI Jiangwen, SUN Meihui

2025, 46(1): 178-183. doi: 10.7513/j.issn.1004-7638.2025.01.025

Abstract(30) HTML (19) PDF(5)

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In this study, different contents of micro-alloying elements Nb and V were added to X80 pipeline steel. OM, SEM and TEM were used to observe the microstructures and precipitates. Tensile tests and Charpy tests were conducted to obtain the mechanical properties. Thermo-calc software was used for phas...

Fe_xC_y micro-mechanical properties based on response surface methodology and molecular dynamics

WEI Lixin, GAO Ling, LÜ Shining, GAO Youshan

2025, 46(1): 184-191. doi: 10.7513/j.issn.1004-7638.2025.01.026

Abstract(45) HTML (27) PDF(11)

Abstract:
This research is to investigate the mechanical properties of different carbon steel materials at different temperatures. The simulation model was established by using molecular dynamics, and the regression model was established by the three-factor multi-level orthogonal test and response surface met...

Effect of continuous annealing process on microstructure and properties of 780 MPa cold-rolled dual phase steel with high formability

ZHOU Li, JIAO Mingmu, XUE Renjie, ZHAO Xin, WANG Zhuo

2025, 46(1): 192-197. doi: 10.7513/j.issn.1004-7638.2025.01.027

Abstract(34) HTML (14) PDF(4)

Abstract:
A low-cost 780 MPa grade cold-rolled dual phase steel with high formability was designed and developed based on the equipment characteristics of the production line, and the effects of continuous annealing on the microstructure and properties of the cold rolled products were studied. The results sho...

Study on efficient pulverized coal injection operation technology in vanadium-titanium blast furnaces

HE Haixi, XU Can, YAN Xin, ZOU Zhongping

2025, 46(1): 198-204. doi: 10.7513/j.issn.1004-7638.2025.01.028

Abstract(35) HTML (16) PDF(6)

Abstract:
In order to achieve the goal of enhancing the pulverized coal injection (PCI) rate, along with its stability and uniformity in vanadium-titanium blast furnaces, ultimately reducing energy consumption, a pilot-scale experimental device was developed, equivalent in scale and capacity to a 1000 m³ blas...

Current Articles 2025, Volume 46, Issue 1

Current Articles
2025, Volume 46, Issue 1