A novel fine-grained TiZrCu alloy tailored for marine environment with high microbial corrosion-resistance

doi:10.1016/j.jmst.2024.10.018

IMR OpenIR

	A novel fine-grained TiZrCu alloy tailored for marine environment with high microbial corrosion-resistance
	Li, Jiaqi 1,2; Ouyang, Xi 1,2; Li, Diaofeng 3; Yu, Hang 1,2; Mao, Yaozong 3; Jia, Qing 3; Zhang, Zhiqiang 3; Zhang, Mingxing 1,2; Bai, Chunguang 3; Wang, Fuhui 1,2; Xu, Dake 1,2
通讯作者	Zhang, Mingxing(zhangmingxing@mail.neu.edu.cn) ; Bai, Chunguang(cgbai@imr.ac.cn) ; Xu, Dake(xudake@mail.neu.edu.cn)
	2025-07-01
发表期刊	JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN	1005-0302
卷号	222 页码:315-330
摘要	Titanium alloys, usually known as non-corrodible material, are susceptible to microbiologically influenced corrosion (MIC) in marine environment. While titanium-zirconium (TiZr) alloys have been extensively studied in medical applications, the influence of microorganisms, especially marine microorganisms, on their corrosion behavior has not been explored. In this work, a TiZrCu alloy with a combination of excellent mechanical, anti-corrosion, and antibacterial properties was developed by optimizing the Cu content and grain refinement. Its MIC and antibacterial mechanisms against Pseudomonas aeruginosa, a representative marine microorganism, were systematically investigated. 5.5 wt% was determined as the optimal copper content. The fine-grained Ti-15Zr-5.5Cu (TZC-5.5FG) alloy maintained high MIC resistance, exhibiting a corrosion current of 5.7 f 0.1 nA/cm2 and an antibacterial rate of 91.8 % against P. aeruginosa. The mechanism of improved corrosion resistance was attributed to the denser passive film with high TiO2 content and the lower surface potential difference AE . The release of Cu2+ions, AE, and the generation of ROS are three major factors that contribute to the antibacterial performance of TiZrCu alloys. Compared to other available marine metals, TZC-5.5FG alloy exhibited superior comprehensive performance, including excellent mechanical properties and anti-MIC capacity, which make it a promising material for load-bearing applications in marine environment. (c) 2025 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
关键词	Multifunctional titanium-zirconium alloys Grain refinement Microbiologically influenced corrosion resistance Antibacterial mechanism Mechanical property
资助者	National Key Research and De-velopment Program of China ; National Natural Science Foundation of China ; IMR Innovation Fund ; CAS-WEGO Re-search and Development Plan Project
DOI	10.1016/j.jmst.2024.10.018
收录类别	SCI
语种	英语
资助项目	National Key Research and De-velopment Program of China[2022YFB3808800] ; National Natural Science Foundation of China[52425112] ; National Natural Science Foundation of China[52401178] ; IMR Innovation Fund[2024-PY06] ; CAS-WEGO Re-search and Development Plan Project
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001424254500001
出版者	ELSEVIER
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/180084
专题	中国科学院金属研究所
通讯作者	Zhang, Mingxing; Bai, Chunguang; Xu, Dake
作者单位	1.Northeastern Univ, Corros & Protect Ctr, Shenyang 110819, Peoples R China 2.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, Shenyang 110819, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Li, Jiaqi,Ouyang, Xi,Li, Diaofeng,et al. A novel fine-grained TiZrCu alloy tailored for marine environment with high microbial corrosion-resistance[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2025,222:315-330.
APA	Li, Jiaqi.,Ouyang, Xi.,Li, Diaofeng.,Yu, Hang.,Mao, Yaozong.,...&Xu, Dake.(2025).A novel fine-grained TiZrCu alloy tailored for marine environment with high microbial corrosion-resistance.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,222,315-330.
MLA	Li, Jiaqi,et al."A novel fine-grained TiZrCu alloy tailored for marine environment with high microbial corrosion-resistance".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 222(2025):315-330.