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Review on corrosion of titanium alloys in extreme deep−sea environments
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Junsheng WU1, Kefeng HU2, Chaofang DONG1, Lingyue HU2, Bowei ZHANG1, Lin FAN3, Kui XIAO1, Mingxian SUN3, Xingyue YONG4, Xiaogang LI1
Science & Technology Review | 2025, 43(17) : 77 - 84
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Science & Technology Review | 2025, 43(17): 77-84
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Review on corrosion of titanium alloys in extreme deep−sea environments
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Junsheng WU1, Kefeng HU2, Chaofang DONG1, Lingyue HU2, Bowei ZHANG1, Lin FAN3, Kui XIAO1, Mingxian SUN3, Xingyue YONG4, Xiaogang LI1
Affiliations
  • 1. Institute of Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
  • 2. Wuhan Second Ship Design Institute, Wuhan 430064, China
  • 3. National Key Laboratory of Marine Corrosion and Protection, Luoyang Ship Material Research Institute (LSRMI), Qingdao 266237, China
  • 4. State Key Laboratory of Organic−Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
Published: 2025-09-13 doi: 10.3981/j.issn.1000-7857.2024.12.01751
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Engineering equipments serving in extremely harsh deep−sea environments will withstand complex environmental factors such as low temperature, low dissolved oxygen, low pH, pollutants, and microorganisms, as well as the effects of hydrothermal, ocean currents, hydrostatic pressure, and complex loads, which pose serious threats to the safety of these equipments in service. Titanium alloy, as a highly corrosion−resistant marine structural material, plays a crucial role in the manufacturing of deep−sea engineering equipments. However, the service behavior and failure mechanism of titanium alloy in extreme deep−sea environments are still unclear, leading to a lack of scientific basis for the selection, design, and protection of titanium alloy structures in deep−sea equipment. This paper analyzes the corrosion resistance and basic corrosion electrochemical characteristics of titanium alloys, systematically reviews the problems of microbial corrosion, crevice corrosion, galvanic corrosion, hydrogen embrittlement and stress corrosion, corrosion fatigue, and multi−factor coupled corrosion damage faced by titanium alloy materials in extreme deep−sea environments, and proposes the research focus and development direction of titanium alloy corrosion in deep−sea environments.

extreme deep−sea environment  /  titanium alloy  /  engineering equipment  /  corrosion  /  failure
Junsheng WU, Kefeng HU, Chaofang DONG, Lingyue HU, Bowei ZHANG, Lin FAN, Kui XIAO, Mingxian SUN, Xingyue YONG, Xiaogang LI. Review on corrosion of titanium alloys in extreme deep−sea environments[J]. Science & Technology Review, 2025 , 43 (17) : 77 -84 . DOI: 10.3981/j.issn.1000-7857.2024.12.01751
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Article Info
doi: 10.3981/j.issn.1000-7857.2024.12.01751
  • Receive Date：2024-12-16
  • Online Date：2025-12-18
  • Published：2025-09-13
Article Data
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History
  • Received：2024-12-16
  • Revised：2025-06-05
  • Accepted：2025-08-29
Funding
Affiliations
    1. Institute of Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
    2. Wuhan Second Ship Design Institute, Wuhan 430064, China
    3. National Key Laboratory of Marine Corrosion and Protection, Luoyang Ship Material Research Institute (LSRMI), Qingdao 266237, China
    4. State Key Laboratory of Organic−Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, 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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