2021 Vol. 42, No. 6

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Technical Review
Research and advances in processing, working, microstructure, properties and industrial application of β-solidifying TiAl alloy
Chen Yuyong, Wu Jingxi
2021, 42(6): 1-16. doi: 10.7513/j.issn.1004-7638.2021.06.001
Abstract(1203) HTML (149) PDF(119)
Abstract:
The third generation TiAl based intermetallic compounds (β-solidifying TiAl alloy) have a wide application in aerospace, automobile manufacturing and other advanced fields due to their excellent hot workability. However, the introduction of high temperature β phase not only improves the hot deformat...
Current research status of advanced forming technology for high-performance titanium alloys
Li Junzhao, Sun Qingjie, Yu Hang
2021, 42(6): 17-27. doi: 10.7513/j.issn.1004-7638.2021.06.002
Abstract(1922) HTML (294) PDF(242)
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In this paper, characteristics of advanced hot forming technology, pulse current assisted forming technology and electromagnetic assisted forming technology, and progress of these technologies application in titanium alloy thin-wall sheet forming had been reviewed. Hot forming is the most widely use...
Development of gas element diffusion wear-resistant treatment technology on titanium surface
Li Zhengxian, Zhang Xuefeng, Chen Min, Li Wei, Luo Xiaofeng
2021, 42(6): 28-35. doi: 10.7513/j.issn.1004-7638.2021.06.003
Abstract(757) HTML (126) PDF(58)
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In this paper, the resent research progress of gas element diffusion wear treatment technology on surface of titanium and titanium alloy is summarized.It is believed that treatment technology of oxidizing, nitriding and carburizing on the surface of titanium alloy, can improve its surface hardness a...
Research progress on wear resistance of titanium matrix composites
Zhong Liang, Fu Yu, Xu Yongdong, Song Yunkun, Wang Yinyang
2021, 42(6): 36-42. doi: 10.7513/j.issn.1004-7638.2021.06.004
Abstract(995) HTML (110) PDF(87)
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Titanium alloys are widely used because of their excellent comprehensive properties such as high specific strength, high specific modulus, corrosion resistance, low temperature resistance, and non-magnetism. However, compared with traditional steel materials, titanium alloys have limitations such as...
Progress of anti-oxidation protection technology in titanium alloy welding process
Fan Limin, Geng Naitao, Yang Liu, Wu Shaojie, Cheng Fangjie
2021, 42(6): 43-50. doi: 10.7513/j.issn.1004-7638.2021.06.005
Abstract(867) HTML (81) PDF(92)
Abstract:
Titanium and titanium alloys have excellent comprehensive properties, but the welding oxidation problem is serious due to the strong high-temperature activity. Especially the problem of absorbing gas at solid-state temperature is significant, which affects the quality of the welding joint. Therefore...
Preparation of Titanium Alloys
Study on separation of titanium and slag during carbonization of titanium-bearing blast furnace slag
Jian Tingfang, Zhao Lang, Luo Xiangyu, Hu Meilong
2021, 42(6): 51-58. doi: 10.7513/j.issn.1004-7638.2021.06.006
Abstract(700) HTML (76) PDF(112)
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The technology of high-temperature carbonization and low-temperature chlorination has been successfully developed by Pangang Group Company Limited to recover titanium from a large number of Ti-containing blast furnace slag produced during the application of the BF ironmaking technology to V-bearing ...
Study on the effect of molten salt electro-deoxidation on the preparation of titanium metal
Xin Xuesong, Zhang Qiang, Zhang Shanshan, Zhang Min
2021, 42(6): 59-65. doi: 10.7513/j.issn.1004-7638.2021.06.007
Abstract(313) HTML (67) PDF(32)
Abstract:
Titanium metal was prepared by electrolysis of high titanium slag in CaCl2 molten salt under a high-purity argon atmosphere. The relationship between forming pressure and porosity of cathode sheet as well as the influence on the electrolysis process were studied. The phases and microstructures of th...
Influence of solution treatment on microstructure and mechanical properties of Ti6Al4V ELI titanium alloy
Ran Xing, Wang Zhe, Li Haibin, Lv Zhigang, Li Peijie
2021, 42(6): 66-71. doi: 10.7513/j.issn.1004-7638.2021.06.008
Abstract(430) HTML (165) PDF(56)
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The scanning electron microscope (SEM) and optical microscope (OM) were employed to investigate the influence of solution treatment on microstructure evolution of Ti6Al4V ELI titanium alloy, and the relationship between microstructure and mechanical properties were discussed. The results show that t...
High temperature compression properties of near α type Ti-1100 alloy prepared by titanium hydride based powder metallurgy
Piao Rongxun, Zhu Wenjin, Lv Shunshun
2021, 42(6): 72-77. doi: 10.7513/j.issn.1004-7638.2021.06.009
Abstract(605) HTML (84) PDF(197)
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The isothermal compression experiments were carried out on high temperature titanium alloy Ti-1100 prepared by powder metallurgy using titanium hydride powder as raw material. The compression deformation behavior was analyzed through the obtained stress-strain curve of compressed samples, and then t...
Effect of hot deformation parameters on the rheological behavior of two-phase region of titanium alloy
Fu Wen, Zhou Xiaofeng, Li Chengning, Cheng Fangjie, Wang Dongpo
2021, 42(6): 78-83. doi: 10.7513/j.issn.1004-7638.2021.06.010
Abstract(317) HTML (109) PDF(27)
Abstract:
Hot-rolled Ti80 alloy was used as the substrate, and the high temperature compression test was carried out on the Gleeble-3500 thermal simulation tester. The deformation temperature was 800～1 000 ℃, the strain rate was 0.01～10 s−1, and the total deformation ratio was 75%. The results show that the p...
Preparation and properties of porous Ti-Nb alloy materials
Zhang Meili, Chi Xiaotong, Zhou Chunsheng, Liu Yanfeng, Fang Chen, Zheng Guogang
2021, 42(6): 84-89. doi: 10.7513/j.issn.1004-7638.2021.06.011
Abstract(456) HTML (50) PDF(39)
Abstract:
The porous Ti-Nb alloy was prepared by adding pore-forming agent in powder metallurgy. The effects of Nb content on the phase structure, pore morphology, porosity, compressive strength and corrosion resistance of the alloy were investigated. The results show that the porous Ti-Nb alloy has α and β p...
Additive Manufacturing
Effects of raw powder on NiTi parts fabricated by selective laser melting
Zhang Yawei, Shi Qi, Tan Chong, Liu Xin, Li Guifa, Zheng Haizhong
2021, 42(6): 90-96. doi: 10.7513/j.issn.1004-7638.2021.06.012
Abstract(392) HTML (50) PDF(34)
Abstract:
In this study, Ni + Ti mixed powder and NiTi pre-alloyed powder were used to print by selective laser melting process. The effects of raw material powder on the density, phase composition, microstructure and microhardness of formed parts under the identical processing parameters are studied, so as t...
Microstructure and mechanical properties of TC4-DT produced by laser wire-feed additive manufacturing
Zhang Dayue, Liu Xuming, Zhang Jian, Li Binzhou, Zhao Yang, Wang Junsheng
2021, 42(6): 97-101. doi: 10.7513/j.issn.1004-7638.2021.06.013
Abstract(360) HTML (95) PDF(46)
Abstract:
Laser wire-feed metal additive manufacturing technology has a wide application prospect in aerospace, marine engineering and shipbuilding. In this paper, TC4-DT samples were prepared by the laser wire-feed additive manufacturing technology combined with solution strengthening heat treatment method, ...
Research on heat treatment properties of TC4 titanium alloy based on electron beam additive manufacturing
Huang Xingguang, Sun Baofu, Sun Guohui, Zhang Jianfei
2021, 42(6): 102-108. doi: 10.7513/j.issn.1004-7638.2021.06.014
Abstract(618) HTML (66) PDF(48)
Abstract:
In this paper, heat treatment was carried out for TC4 titanium alloy specimens prepared by electron beam selective melting. The microstructure characteristics of the TC4 titanium alloy specimens after heat treatment were studied by using scanning electron microscope and metallographic microscope. Th...
Application of Titanium Alloys
Effect of hot-pressing temperature on element diffusion behavior and microstructure of TC4/Ta layered composites
Yu Hao, Jiang Qingwei, Zhang Xiaoqing, Zhang Shoujian, Zhang Fengzhen
2021, 42(6): 109-114. doi: 10.7513/j.issn.1004-7638.2021.06.015
Abstract(417) HTML (58) PDF(30)
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TC4/Ta/TC4 layered metal composites (LMCs) were prepared by hot-pressing at different temperatures, and the diffusion behavior of interfacial elements and the microstructure at different temperatures were discussed. The results show that obvious diffusion behavior occurs at the interface during the ...
Controllable preparation of titanium dioxide nanotubes on titanium foil
Fan Xingping, Ma Lan, Yang Cheng, Fan Wei
2021, 42(6): 115-119. doi: 10.7513/j.issn.1004-7638.2021.06.016
Abstract(326) HTML (75) PDF(32)
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Titanium dioxide nanotubes were prepared on the surface of titanium foil by electrochemical anodization. The diameter and wall size of the nanotubes were controlled by adjusting the anodizing voltage and time. The morphology of TiO2 nanotube arrays was observed by scanning electron microscope (SEM) ...
Preparation and anti-corrosion properties of photoresponsive titanium based nano-films
Li Wenjing, Peng Sui, Xin Yanan, Tang Min
2021, 42(6): 120-132. doi: 10.7513/j.issn.1004-7638.2021.06.017
Abstract(406) HTML (43) PDF(45)
Abstract:
Based on the research background and advantages of enterprise production, cheap and easily available titanium sources (such as TiOSO4) were used as raw materials to prepare one or more nano-titanium-based films on the substrate surface by sol-gel method with simple reaction and convenient operation....
Research on corrosion of TC4 titanium alloy in concentrated high-salt wastewater environment
Han Xu, Li Qiang, Jiang Xunyong, Xu Ke
2021, 42(6): 133-137. doi: 10.7513/j.issn.1004-7638.2021.06.018
Abstract(379) HTML (76) PDF(37)
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In this paper, the corrosion resistance of TC4 material was studied by simulating the concentrated solution of high salt wastewater from the perspective of mechanical vapor recompression (MVR) corrosion environment. The corrosion tests were carried out through microstructure characterization, corros...
Preparation of Ti60 high temperature titanium alloy ingot for aerospace
Guo Jie, Yue Ke, Hu Zhaohua, Zhang Tianxin, Geng Naitao
2021, 42(6): 138-141. doi: 10.7513/j.issn.1004-7638.2021.06.019
Abstract(543) HTML (509) PDF(66)
Abstract:
Aiming at the key technology of Ti60 high temperature titanium alloy preparation by smelting process, 0A grade military granulated sponge titanium and appropriate master alloy were selected to prepare Φ310 mm large Ti60 high temperature titanium alloy ingot, via vacuum consumable arc furnace smeltin...
Effect of oxygen content on microstructure and mechanical properties of TC4 ELI titanium alloy bar
Ma Lan, Yang Shaoli, Li Junhan, Zou Xinyi, Wan Xin
2021, 42(6): 142-146. doi: 10.7513/j.issn.1004-7638.2021.06.020
Abstract(739) HTML (125) PDF(78)
Abstract:
By using two self-prepared TC4 alloy ingots with different oxygen content, the high-performance TC4 ELI titanium alloy bars are prepared by the processes of cogging-forging-annealing for interstitial impurities well below GB/T 13810—2017 and UNS R56401 requirements. The properties are investigated v...
Effect of heat treatment on microstructure and properties of TC6 titanium alloy
Li Guangde, Wang Ying, Li Weilun
2021, 42(6): 147-152. doi: 10.7513/j.issn.1004-7638.2021.06.021
Abstract(351) HTML (55) PDF(13)
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TC6 titanium alloy bars were annealed by four different heat treatment processes. The microstructure, wear resistance and corrosion resistance of the samples were tested and analyzed. The results show that under the heat treatment at 870 ℃ for 1.5 h, furnace cooling to 600 ℃ and insulation for 2 h f...
Study on TiC/SiC reinforcement material by spark plasma sintering
Liu Xiaohong, Wang Yanfeng, Cao Yongdi, Liu Jianxiu, Wang Bingwei
2021, 42(6): 153-157. doi: 10.7513/j.issn.1004-7638.2021.06.022
Abstract(338) HTML (57) PDF(35)
Abstract:
Mechanical reinforcement materials were prepared by spark plasma sintering (SPS), using SiC nanopowder and TiC particles as raw materials. The composite samples with different SiC content were characterized by SEM, and the composite sample with 10% SiC was tested by XRD. The effects of SiC content o...
Welding of Titanium Alloys
Research on TIG welding process of high strength titanium alloy
Feng Jing, Fan Limin, Geng Naitao, Yang Liu, Wu Shaojie, Cheng Fangjie
2021, 42(6): 158-163. doi: 10.7513/j.issn.1004-7638.2021.06.023
Abstract(593) HTML (108) PDF(73)
Abstract:
A new type of high strength Ti-V-Mo titanium alloy was used as raw material. Welding test was carried out respectively by TIG automatic wire feeding and manual wire filling. The microstructure, forming, and mechanical properties of the joint were analyzed. The results show that the weld appearance s...
Research on microstructure and properties of TC4 titanium alloy MIG welded joints after heat treatment
He Yifan, Chen Donggao, Zhang Long, Wang Dafeng, Shao Zhiwen, Ma Liangchao
2021, 42(6): 164-170. doi: 10.7513/j.issn.1004-7638.2021.06.024
Abstract(622) HTML (69) PDF(74)
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Post heat treatment processes had been carried out on TC4 titanium alloy MIG welded joints. The effects of different heat treatment processes on residual stress, microstructure and mechanical properties on resulting TC4 titanium alloy MIG welded joints had been investigated through the blind-hole me...
Microstructure and properties of electron beam welded TA1 medium plate and analysis of joint strengthening
Bai Wei, Li Dadong, Dong Xuejiao, Chen Rong
2021, 42(6): 171-177. doi: 10.7513/j.issn.1004-7638.2021.06.025
Abstract(586) HTML (77) PDF(180)
Abstract:
Electron beam welding was used to weld 30 mm thick TA1 pure titanium plates. Combined with optical microscope (OM) and electron backscatter diffraction (EBSD), the microstructure, Vickers hardness and tensile test of the joint were carried out. The influence of welding process on microstructure and ...
Research on microstructure and properties of TC4/ 6061 dissimilar metal resistance spot welding joint
Chen Jinliang, Ma Wei, Li Xiaobing
2021, 42(6): 178-183. doi: 10.7513/j.issn.1004-7638.2021.06.026
Abstract(532) HTML (99) PDF(24)
Abstract:
Using 2 mm thick TC4 titanium alloy and 1.5 mm thick 6061 aluminum alloy as raw materials for resistance spot welding, the effects of heat and time on the tensile-shear force and nugget diameter of the joint were studied. The fracture characteristics of the joint were observed, and the microstructur...
Microstructure and properties of architectural TiAl alloy with heat treatment after welding
Liao Chenya, Li Shuxun
2021, 42(6): 184-190. doi: 10.7513/j.issn.1004-7638.2021.06.027
Abstract(364) HTML (40) PDF(33)
Abstract:
In this paper, two kinds of heat treatment were carried out on the electron beam welded joints of architectural TiAl alloy. The microstructure of different areas of the joints was analyzed with metallographic microscope (OM), and the microhardness of the welded joints was tested. The influences of t...
Study on temperature field of titanium slab heating process based on walking-beam-type furnace
Xiang Guojin, Luo Xu, Geng Naitao, Zhang Ankang, Li Junhong, Yu Hui
2021, 42(6): 191-198. doi: 10.7513/j.issn.1004-7638.2021.06.028
Abstract(648) HTML (76) PDF(43)
Abstract:
Based on the walking-beam-type reheating furnace in a certain steel plant, the TA1 titanium billet in the furnace was taken as the research object, and the mathematical model of heat transfer and the finite element model of heating process were established to study the temperature distribution of ti...
Numerical investigation on the solidification process and the theoretical reduction amount of high titanium steel continuous casting slab
Wu Chenhui, Xie Xin, Li Yang, Zhang Min, Wu Guorong, Zeng Jianhua, He Wei
2021, 42(6): 199-205. doi: 10.7513/j.issn.1004-7638.2021.06.029
Abstract(340) HTML (52) PDF(22)
Abstract:
High titanium steel has high wear resistance, toughness, strength and intergranular corrosion resistance, and has been widely applied to many fields. In present work, the solidification process and the theoretical reduction amount of the high titanium steel continuous casting slab were numerically i...
Research on damage failure of TA18 titanium alloy based on stress triaxiality
Zhang Tianwen, Wang Ying, Li Wei, Jiang Jian, Peng Li, Yu Hui
2021, 42(6): 206-212. doi: 10.7513/j.issn.1004-7638.2021.06.030
Abstract(752) HTML (177) PDF(74)
Abstract:
Tensile specimens made of TA18 titanium alloy with different notch sizes were designed to carry out tensile tests under different stress states at room temperature, and fracture morphology observation had been done. The ductile fracture characteristics of TA18 titanium alloy were studied through the...

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