Study of the corrosion behavior of Aspergillus niger on 7075-T6 aluminum alloy in a high salinity environment

被引：42

作者：

Wang, Junlei ^{[1
]}

Xiong, Fuping ^{[1
]}

Liu, Hongwei ^{[1
]}

Zhang, Tiansui ^{[1
]}

Li, Yanyan ^{[1
]}

Li, Chenjing ^{[1
]}

Xia, Wu ^{[1
]}

Wang, Haitao ^{[2
]}

Liu, Hongfang ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Chem & Chem Engn, Key Lab Mat Chem Energy Convers & Storage, Minist Educ,Hubei Key Lab Mat Chem & Serv Failure, Wuhan 430074, Hubei, Peoples R China

[2] Wuhan Inst Technol, Sch Chem & Environm Engn, Minist Educ, Key Lab Green Chem Proc, Wuhan 430073, Hubei, Peoples R China

来源：

BIOELECTROCHEMISTRY | 2019年 / 129卷

关键词：

Aluminum alloy; Aspergillus Niger; Microbiology; Corrosion; Electrochemistry; SULFATE-REDUCING BACTERIA; MICROBIOLOGICALLY INFLUENCED CORROSION; IRON-OXIDIZING BACTERIA; CARBON-STEEL; PIPELINE STEEL; ACID; INHIBITION; PROTECTION; ADAPTATION; PYRITHIONE;

D O I：

10.1016/j.bioelechem.2019.04.020

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

In this study, the corrosion behavior of 7075-T6 aluminum alloy in a high salinity environment containing Aspergillus niger was investigated using high-performance liquid chromatography tandem mass spectrometry, gas chromatography, surface analysis and electrochemical measurement. Results demonstrated that uniform and localized corrosion rates of the alloy in the presence of A. niger were approximately 3.7 and 22.4 times, respectively, of that in the absence A niger. This higher corrosion rate was attributed to accelerated anode and cathode reactions from the actions of A. niger biofilm. Additionally, organic acid corrosion caused by the presence of A. niger was confirmed to be the main cause for the corrosion of aluminum alloy. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：10 / 17

页数：8

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