Effects of Bacillus sp. adhesion on cavitation erosion behaviour of nickel aluminium bronze in artificial seawater

被引：11

作者：

Tian, Ye ^{[1
,2
]}

Zhao, Hang ^{[1
,2
]}

Yang, Rui ^{[1
,2
]}

Liu, Xiaomei ^{[1
,2
]}

Li, Hua ^{[1
,2
]}

Chen, Xiuyong ^{[1
,2
,3
]}

机构：

[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo 315201, Peoples R China

[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Cixi Inst Biomed Engn, Zhejiang Engn Res Ctr Biomed Mat, Ningbo 315201, Peoples R China

[3] Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China

来源：

WEAR | 2022年 / 498卷

关键词：

Cavitation erosion; Bioadhesion; Microbiological corrosion; Nickel aluminium bronze; Failure mechanism; MICROBIOLOGICALLY INFLUENCED CORROSION; CARBON-STEEL; ELECTRON-TRANSFER; COPPER; BACTERIUM; BIOFILM; ELECTRODISSOLUTION; MICROSTRUCTURE; PASSIVATION; RESISTANCE;

D O I：

10.1016/j.wear.2022.204344

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This study evaluated the cavitation erosion behaviour of a commonly used material in the marine environment, nickel aluminium bronze (NAB), after exposure to the adhesion of Bacillus sp. biofilm in artificial seawater. Results showed that the biofilm could inhibit the corrosion progress, keeping kappa phases intact and subsequently allowing the NAB to retain its cavitation erosion resistance. Detailed discussion about the effect of the biofilm on cavitation erosion behaviour of NAB was presented. Furthermore, the importance of the kappa phases for resisting cavitation erosion was evidenced by in-situ SEM, and a correlation of the decrease in hardness and the increase in mass loss during cavitation erosion was built.

引用

页数：11

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