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Marine economy has become one of the important pillars of global economic development. However, the high temperature, humidity, salt mist, and intense radiation in the South China Sea cause severe corrosion of marine engineering materials and equipment in service. Titanium alloys, with their low density, high specific strength, and excellent corrosion resistance, are the preferred materials for marine engineering equipment. However, the high application costs severely restrict their widespread application. Reducing the application costs of titanium in marine environments has become a key focus for the development of marine titanium alloys. This article reviewed the progress of low-cost titanium applications both in China and abroad, focusing on two aspects of low-cost extraction and reduced usage of titanium. It analyzed three low-cost titanium extraction technologies: the FFC process, the OS process, and the USTB process. The article also outlined three approaches for reducing titanium usage: titanium-steel thermomechanical composites, high-energy beam preparation of titanium alloy coatings, and titanium-steel ultrasonic composites. It envisioned a development model for the large-scale and low-cost application of marine titanium alloys and offered targeted suggestions for advancing basic research, conducting product application studies, strengthening talent cultivation and recruitment, and enhancing industry, university, and research collaboration and technology transfer, so as to promote the overall enhancement and high-quality development of China’s marine titanium alloy industry.

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海洋经济已成为全球经济发展的重要支柱之一。南海海洋环境的高温、高湿、高盐雾、强辐照,导致海洋工程材料和装备服役出现严重的腐蚀问题。钛合金具有低密度、高比强度、高耐蚀性等突出优点,是海洋工程装备的优选材料,但昂贵的应用成本严重制约了其应用拓展。如何降低钛在海洋领域的应用成本已成为海洋钛合金发展的重点。文章从钛的低成本提取和钛的减量使用两个方面,回顾了国内外钛的低成本应用研究进展,剖析了3种钛的低成本提取技术,概述了钛钢热机复合工程、高能束流制备钛合金涂层和钛钢超声复合3种钛的减量使用技术途径,展望了海洋钛合金低成本规模化应用的发展模式,针对性提出了深化基础研究、开展产品应用研究、强化人才培育与引进、加强产学研结合与技术转化等发展建议,以期促进中国海洋钛合金产业整体水平提升和高质量发展。

, correspAuthors=孙冬柏, authorNote=null, correspAuthorsNote=
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王起,副研究员。主要从事钛钢热机复合、超声复合、钛金属清洁提取等方面的研究。主持国家自然科学基金、广东省基础与应用基础研究基金等项目10余项。发表论文30余篇。电子信箱:

孙冬柏,教授,博士研究生导师。南方海洋科学与工程广东省实验室(珠海)副主任。国家重大科技基础设施建设中长期规划总体专家组副组长和材料领域专家组副组长,教育部重大科技基础设施专家委员会主任,国家新材料产业发展专家咨询委员会委员,国家“十四五”重点研发专项“大科学装置前沿研究”专家组成员等。入选教育部“跨世纪优秀人才支持计划”、“珠江人才计划”杰出人才,入选国家百千万人才工程,被授予“有突出贡献中青年专家”荣誉称号。发表论文180余篇,授权发明专利100余件。电子信箱:

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王起,副研究员。主要从事钛钢热机复合、超声复合、钛金属清洁提取等方面的研究。主持国家自然科学基金、广东省基础与应用基础研究基金等项目10余项。发表论文30余篇。电子信箱:

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王起,副研究员。主要从事钛钢热机复合、超声复合、钛金属清洁提取等方面的研究。主持国家自然科学基金、广东省基础与应用基础研究基金等项目10余项。发表论文30余篇。电子信箱:

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孙冬柏,教授,博士研究生导师。南方海洋科学与工程广东省实验室(珠海)副主任。国家重大科技基础设施建设中长期规划总体专家组副组长和材料领域专家组副组长,教育部重大科技基础设施专家委员会主任,国家新材料产业发展专家咨询委员会委员,国家“十四五”重点研发专项“大科学装置前沿研究”专家组成员等。入选教育部“跨世纪优秀人才支持计划”、“珠江人才计划”杰出人才,入选国家百千万人才工程,被授予“有突出贡献中青年专家”荣誉称号。发表论文180余篇,授权发明专利100余件。电子信箱:

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孙冬柏,教授,博士研究生导师。南方海洋科学与工程广东省实验室(珠海)副主任。国家重大科技基础设施建设中长期规划总体专家组副组长和材料领域专家组副组长,教育部重大科技基础设施专家委员会主任,国家新材料产业发展专家咨询委员会委员,国家“十四五”重点研发专项“大科学装置前沿研究”专家组成员等。入选教育部“跨世纪优秀人才支持计划”、“珠江人才计划”杰出人才,入选国家百千万人才工程,被授予“有突出贡献中青年专家”荣誉称号。发表论文180余篇,授权发明专利100余件。电子信箱:

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Comparison of physical properties between titanium and other commonly used metal materials

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物理性质 金属类型
纯钛 Ti6AI4V 304不锈钢 纯铝 纯铜
晶体结构 HCP HCP/BCC FCC FCC FCC
熔点/℃ 1 668 1 540~1 650 1 400~1 427 660 1 083
密度/(g·cm-3) 4.51 4.42 8.03 2.70 8.93
抗拉强度/MPa 300~350 895 520 80~100 200~250
比强度 66.5~77.6 202.5 64.8 29.6~37.0 22.4~28.0
), ArticleFig(id=1242114104601678102, tenantId=1146029695717560320, journalId=1146032081894723586, articleId=1148708266248565432, language=CN, label=表1, caption=

钛金属与其他常用金属材料物理性质对比

, figureFileSmall=null, figureFileBig=null, tableContent=
物理性质 金属类型
纯钛 Ti6AI4V 304不锈钢 纯铝 纯铜
晶体结构 HCP HCP/BCC FCC FCC FCC
熔点/℃ 1 668 1 540~1 650 1 400~1 427 660 1 083
密度/(g·cm-3) 4.51 4.42 8.03 2.70 8.93
抗拉强度/MPa 300~350 895 520 80~100 200~250
比强度 66.5~77.6 202.5 64.8 29.6~37.0 22.4~28.0
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Progress and Prospect of Low-cost Application Technology of Marine Titanium Alloys
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Qi WANG 1 , Dongbai SUN 1, 2, , Wei GAO 1 , Handong JIAO 3
Science and Technology Foresight | Review and Commentary 2025,4(1): 100-107
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Science and Technology Foresight | Review and Commentary 2025, 4(1): 100-107
Progress and Prospect of Low-cost Application Technology of Marine Titanium Alloys
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Qi WANG1 , Dongbai SUN1, 2, , Wei GAO1, Handong JIAO3
Authors
  • 1. Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China
  • 2. School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510006, China
  • 3. Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China

Corresponding author:

Progress and Prospect of Low-cost Application Technology of Marine Titanium Alloys
Qi WANG1 , Dongbai SUN1, 2, , Wei GAO1, Handong JIAO3
Affiliations
  • 1. Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China
  • 2. School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510006, China
  • 3. Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China
Published: 2025-03-20 doi: 10.3981/j.issn.2097-0781.2025.01.010
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Marine economy has become one of the important pillars of global economic development. However, the high temperature, humidity, salt mist, and intense radiation in the South China Sea cause severe corrosion of marine engineering materials and equipment in service. Titanium alloys, with their low density, high specific strength, and excellent corrosion resistance, are the preferred materials for marine engineering equipment. However, the high application costs severely restrict their widespread application. Reducing the application costs of titanium in marine environments has become a key focus for the development of marine titanium alloys. This article reviewed the progress of low-cost titanium applications both in China and abroad, focusing on two aspects of low-cost extraction and reduced usage of titanium. It analyzed three low-cost titanium extraction technologies: the FFC process, the OS process, and the USTB process. The article also outlined three approaches for reducing titanium usage: titanium-steel thermomechanical composites, high-energy beam preparation of titanium alloy coatings, and titanium-steel ultrasonic composites. It envisioned a development model for the large-scale and low-cost application of marine titanium alloys and offered targeted suggestions for advancing basic research, conducting product application studies, strengthening talent cultivation and recruitment, and enhancing industry, university, and research collaboration and technology transfer, so as to promote the overall enhancement and high-quality development of China’s marine titanium alloy industry.

marine titanium alloy  /  corrosion  /  low cost  /  titanium metal extraction  /  titanium-steel composite

Marine economy has become one of the important pillars of global economic development. However, the high temperature, humidity, salt mist, and intense radiation in the South China Sea cause severe corrosion of marine engineering materials and equipment in service. Titanium alloys, with their low density, high specific strength, and excellent corrosion resistance, are the preferred materials for marine engineering equipment. However, the high application costs severely restrict their widespread application. Reducing the application costs of titanium in marine environments has become a key focus for the development of marine titanium alloys. This article reviewed the progress of low-cost titanium applications both in China and abroad, focusing on two aspects of low-cost extraction and reduced usage of titanium. It analyzed three low-cost titanium extraction technologies: the FFC process, the OS process, and the USTB process. The article also outlined three approaches for reducing titanium usage: titanium-steel thermomechanical composites, high-energy beam preparation of titanium alloy coatings, and titanium-steel ultrasonic composites. It envisioned a development model for the large-scale and low-cost application of marine titanium alloys and offered targeted suggestions for advancing basic research, conducting product application studies, strengthening talent cultivation and recruitment, and enhancing industry, university, and research collaboration and technology transfer, so as to promote the overall enhancement and high-quality development of China’s marine titanium alloy industry.

marine titanium alloy  /  corrosion  /  low cost  /  titanium metal extraction  /  titanium-steel composite
王起, 孙冬柏, 高炜, 焦汉东. 海洋钛合金低成本化应用技术进展与展望[J]. 前瞻科技, 2025 , 4 (1) : 100 -167 . DOI: 10.3981/j.issn.2097-0781.2025.01.010
Qi WANG, Dongbai SUN, Wei GAO, Handong JIAO. Progress and Prospect of Low-cost Application Technology of Marine Titanium Alloys[J]. Science and Technology Foresight, 2025 , 4 (1) : 100 -167 . DOI: 10.3981/j.issn.2097-0781.2025.01.010
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doi: 10.3981/j.issn.2097-0781.2025.01.010
  • Received:2024-12-23
  • Published:2025-03-20
  • Release:2025-03-27
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  • 收稿日期:2024-12-23
  • 修回日期:2025-02-17
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广东省基础与应用基础研究基金(2023B1515250006)
Authors
    1. Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China
    2. School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510006, China
    3. Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China

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王起, 孙冬柏, 高炜, 焦汉东. 海洋钛合金低成本化应用技术进展与展望[J]. 前瞻科技, 2025 , 4 (1) : 100 -167 . DOI: 10.3981/j.issn.2097-0781.2025.01.010
Qi WANG, Dongbai SUN, Wei GAO, Handong JIAO. Progress and Prospect of Low-cost Application Technology of Marine Titanium Alloys[J]. Science and Technology Foresight, 2025 , 4 (1) : 100 -167 . DOI: 10.3981/j.issn.2097-0781.2025.01.010
表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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