Inhibiting corrosion of aluminum alloy 5083 through Vibrio species biofilm

被引：43

作者：

Gao, Yu ^{[1
,2
]}

Feng, Danqing ^{[3
]}

Moradi, Masoumeh ^{[1
,2
]}

Yang, Chuntian ^{[1
,2
]}

Jin, Yuting ^{[1
,2
]}

Liu, Dan ^{[4
]}

Xu, Dake ^{[1
,2
]}

Chen, Xiaobo ^{[5
]}

Wang, Fuhui ^{[1
,2
]}

机构：

[1] Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China

[2] Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110004, Peoples R China

[3] Xiamen Univ, Coll Ocean & Earth Sci, State Prov Joint Engn Lab Marine Bioprod & Techno, Xiamen 361102, Peoples R China

[4] Hebei Univ Sci & Technol, Sch Mat Sci & Engn, Shijiazhuang 050018, Hebei, Peoples R China

[5] RMIT Univ, Sch Engn, Carlton, Vic 3053, Australia

来源：

CORROSION SCIENCE | 2021年 / 180卷

基金：

中国国家自然科学基金;

关键词：

Aluminum; SEM; EIS; Polarization; Microbiological corrosion; Neutral inhibition; SULFATE-REDUCING BACTERIA; STAINLESS-STEEL; BEHAVIOR;

D O I：

10.1016/j.corsci.2020.109188

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Microbiologically influenced corrosion inhibition (MICI) of aluminum alloy (AA) 5083 by three representative Vibrio species were evaluated using electrochemical, surface analysis and surface characterization techniques. Interestingly, all the bacteria exhibited profound inhibitory effect on the corrosion of AA5083 in the chloride-containing culture medium. The MICI mechanism of tested Vibrio species is that mature biofilms acted as a diffusion barrier to prevent the penetration of corrosive chloride and consumed up the diffused oxygen by their aerobic respiration. Thus, the biofilm increased the passive range and inhibited the localized attack on the AA5083 surfaces.

引用

页数：11

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