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Nanowall enclosed architecture infused by lubricant: A bio-inspired strategy for inhibiting bio-adhesion and bio-corrosion on stainless steel
Ouyang, Yibo1,2; Zhao, Jin3; Qiu, Ri1,2; Hu, Shugang1; Niu, Haili1; Zhang, Yan1; Chen, Ming4
2020-01-15
发表期刊SURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
卷号381页码:10
通讯作者Qiu, Ri(qiur@sunrui.net)
摘要Microbiologically influenced corrosion (MIC) severely deteriorates metal material in seawater environment. Finding versatile coatings to inhibit bioadhesion and biocorrosion is a critical option to avoid degradation by microorganisms. Inspired by Nepenthes pitcher, this study prepares lubricant-infused surface (LIS) by using a three-step method: electrodeposition, vapor deposition, and oil infusion. First, Co(OH)(2) is built on stainless steel (SS) via electrodeposition. The wrinkled nanowall circumvents the partition architecture, thus producing a highly porous structure. Second, through dodecanethiol modification, the combination of anchored hydrophobic moiety and porous structure creates a lotus-inspired superhydrophobic (SHP) surface. Third, oil infusion produces LIS. The independent partition architecture increases the anchoring effect to oil phase, thereby enhancing the stability. After immersion for 28 days in an abiotic seawater environment, the corrosion current density of SS covered by LIS SS is as low as 2.52 x 10(-10) A/cm(2), which is approximately five orders of the magnitude lower than that of bare SS. After immersion in sulfate-reducing bacteria (SRB) suspension for 6 days, the cell adhesion density on LIS decreases by one order of magnitude compared with that on bare SS, thereby showing high bioadhesion inhibition capability. The decrement of bacteria adhesion steadily decreases the MIC to SS. After exposure to SRB suspension for 10 days, the corrosion current density of LIS SS is only 1.06 x 10(-8) A/cm(2), which is lower than that of SHP coating under the same immersion periods. Therefore, the bio-inspired LIS for SS is a promising way to inhibit bioadhesion and biocorrosion in seawater environment.
关键词Stainless steel Microbiologically influenced corrosion Superhydrophobicity Bioinspired Nepenthes pitcher Liquid infused surface
DOI10.1016/j.surfcoat.2019.125143
收录类别SCI
语种英语
资助项目Natural Science Foundation of Shandong Province[ZR2017MF054] ; Nantong Municipal Science and Technology Project[MS12017019-4]
WOS研究方向Materials Science ; Physics
WOS类目Materials Science, Coatings & Films ; Physics, Applied
WOS记录号WOS:000508497500059
出版者ELSEVIER SCIENCE SA
引用统计
被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/165329
专题实验海洋生物学重点实验室
通讯作者Qiu, Ri
作者单位1.Shandong Univ Sci & Technol, Coll Chem & Environm Engn, Qingdao 266590, Peoples R China
2.Luoyang Ship Mat Res Inst, State Key Lab Marine Corros & Protect, Qingdao 266101, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
4.Shandong Univ Sci & Technol, Coll Math & Syst Sci, Qingdao 266590, Peoples R China
推荐引用方式
GB/T 7714
Ouyang, Yibo,Zhao, Jin,Qiu, Ri,et al. Nanowall enclosed architecture infused by lubricant: A bio-inspired strategy for inhibiting bio-adhesion and bio-corrosion on stainless steel[J]. SURFACE & COATINGS TECHNOLOGY,2020,381:10.
APA Ouyang, Yibo.,Zhao, Jin.,Qiu, Ri.,Hu, Shugang.,Niu, Haili.,...&Chen, Ming.(2020).Nanowall enclosed architecture infused by lubricant: A bio-inspired strategy for inhibiting bio-adhesion and bio-corrosion on stainless steel.SURFACE & COATINGS TECHNOLOGY,381,10.
MLA Ouyang, Yibo,et al."Nanowall enclosed architecture infused by lubricant: A bio-inspired strategy for inhibiting bio-adhesion and bio-corrosion on stainless steel".SURFACE & COATINGS TECHNOLOGY 381(2020):10.
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