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Analysis and Control for Microstructure and Properties of TC4 Titanium Alloy Hot-rolled Seamless Tube
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En-tao Dong1, 2, Wei Yu1, Yong-feng Mi3, Qing-wu Cai2, Jia-xin Shi1
Rare Earth Steel | 2019, 45(4) : 4 - 9
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Rare Earth Steel | 2019, 45(4): 4-9
• Expert Forum •
Analysis and Control for Microstructure and Properties of TC4 Titanium Alloy Hot-rolled Seamless Tube
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En-tao Dong1, 2, Wei Yu1, Yong-feng Mi3, Qing-wu Cai2, Jia-xin Shi1
Affiliations
  • 1.Institute of Engineering Technology, University of Science and Technology Beijing, Beijing 100083, China
  • 2.Collaborative Innovation Center of Steel Technology, Beijing 100083, China
  • 3.Steel Tube Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
Published: 2019-08-25 doi: 10.13647/j.cnki.btgkj.2019.04.002
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The metallographic structure of hot-rolled TC4 titanium alloy seamless tubes with different specifications was studied with the light microscope and scanning electron microscope as well as the mechanical properties of titanium alloy tube were tested. Moreover, the effects of different heat treatment and pickling processes on the microstructure and properties of tube were also studied. It was found that the differences of as-hot-rolled microstructure of titanium alloy tubes with different specifications were significant as well as the outer diameter and wall thickness of the head of tubular billet after perforation were larger than those of the tail. The annealed microstructure obtained by the two-phase region annealing process at different temperatures did not change significantly. Although the oxidation products on the surface of titanium tube could be effectively removed with the pickling process, the time parameters of pickling process were very important, otherwise, the surface quality of titanium tube would be deteriorated.

TC4 titanium alloy  /  seamless tube  /  microstructure and properties  /  heat treatment  /  pickling
董恩涛, 余伟, 米永峰, 蔡庆伍, 史佳新. TC4钛合金热轧无缝管组织性能分析与控制. 包钢科技, 2019 , 45 (4) : 4 -9 . DOI: 10.13647/j.cnki.btgkj.2019.04.002
En-tao Dong, Wei Yu, Yong-feng Mi, Qing-wu Cai, Jia-xin Shi. Analysis and Control for Microstructure and Properties of TC4 Titanium Alloy Hot-rolled Seamless Tube[J]. Science & Technology of Baotou Steel, 2019 , 45 (4) : 4 -9 . DOI: 10.13647/j.cnki.btgkj.2019.04.002
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Year 2019 volume 45 Issue 4
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doi: 10.13647/j.cnki.btgkj.2019.04.002
  • Receive Date：2019-06-05
  • Online Date：2026-10-20
  • Published：2019-08-25
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History
  • Received：2019-06-05
Affiliations
    1.Institute of Engineering Technology, University of Science and Technology Beijing, Beijing 100083, China
    2.Collaborative Innovation Center of Steel Technology, Beijing 100083, China
    3.Steel Tube Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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