文献类型: 外文期刊
作者: Li, Xia 1 ; Chen, Haiyan 2 ; Chen, Pimao 3 ; Qing, Chuangxing 3 ; Li, Huanyuan 2 ;
作者机构: 1.Guangdong Univ Petrochem Technol, Fac Environm & Biol Engn, 139 Guandu 2nd St, Maoming 525000, Guangdong, Peoples R China
2.Guangdong Univ Technol, Sch Mat & Energy, Guangzhou 510006, Guangdong, Peoples R China
3.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Guangdong, Peoples R China
关键词: aluminum alloy;copper;electrochemical impedance spectroscopy;microbiologically influenced corrosion;salinity;seawater;steel
期刊名称:JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE ( 影响因子:1.819; 五年影响因子:1.895 )
ISSN: 1059-9495
年卷期: 2017 年 26 卷 5 期
页码:
收录情况: SCI
摘要: The corrosion behaviors of copper, 6063 aluminum alloy, and Q235 steel were investigated by open-circuit potential (OCP), anodic polarization curve analysis, and electrochemical impedance spectroscopy (EIS). Scanning electron microscopy revealed that a small number of translucent rod-shaped bacterial colonies on the copper surface of copper, whereas plenty of rod-shaped microbes colony were detected on the surface of 6063 aluminum material. Moreover, rod-shaped bacteria and mold colonies attached to the surface of Q235 steel. The decrease in the OCP of copper, 6063 aluminum alloy, and Q235 steel led to higher corrosion tendency. EIS analysis showed that bacteria can reduce the value of AC impedance of copper, the polarization resistance, and the surface resistance, thereby accelerating corrosion. Moreover, the polarization resistance of aluminum alloy in bacterial seawater is lower than that in non-bacterial seawater, indicating the existence of bacteria accelerated the corrosion of 6063 aluminum alloy. The adherence of microbes on Q235 steel surface accelerated the dissolution of the surface layer, and then the passive film is replaced by incompact biofilm layer. Q235 steel corrodes faster under the influence of bacteria because the polarization resistance in bacterial seawater is much lower than that in non-bacterial seawater.
- 相关文献
作者其他论文 更多>>
-
Environmental Effects on the Ecological Carrying Capacity of Marine Ranching in the Northern South China Sea
作者:Wang, Ziwen;Yu, Jing;Chen, Yuxiang;Feng, Xue;Chen, Pimao;Wang, Ziwen;Yu, Jing;Chen, Yuxiang;Feng, Xue;Chen, Pimao;Wang, Ziwen;Yu, Jing;Chen, Yuxiang;Feng, Xue;Chen, Pimao;Wang, Ziwen;Yu, Jing;Chen, Yuxiang;Feng, Xue;Chen, Pimao;Yao, Lijun;Yu, Jing;Chen, Pimao
关键词:environmental effects; generalized additive models; marine ranching; South China Sea
-
Spatial-temporal distribution of resources and the relationship between environmental factors of Portulus trituberculus in the Yangtze River Estuary
作者:Yang, Zuchang;Feng, Guangpeng;Yang, Gang;Zhang, Tao;Zhao, Feng;Geng, Zhi;Li, Xia;Tan, Qingyuan;Yang, Zuchang;Feng, Guangpeng;Shao, Jian
关键词:Yangtze River Estuary; Portunus trituberculatu s; Spatial-temporal distribution; Environmental factors
-
Evaluation of the ecological carrying capacity of Wailingding marine ranching in Zhuhai, China by high-resolution remote sensing
作者:Wang, Ziwen;Li, Zhen;Wang, Ziwen;Yu, Jing;Chen, Pimao;Li, Zhen;Yang, Weiwei;Wang, Ziwen;Yu, Jing;Chen, Pimao;Li, Zhen;Yang, Weiwei;Yao, Lijun;Yang, Weiwei
关键词:marine ecological carrying capacity; marine ranching; high-resolution remote sensing; Wailingding; three-dimensional state-space model; weighted Bonferroni mean
-
Structure and interannual variation of fish communities in the Wailingding marine ranching area of Zhuhai in spring
作者:Yuan, Huarong;Zhang, Shouyu;Yuan, Huarong;Chen, Pimao;Chen, Yuxiang;Yuan, Huarong;Chen, Pimao;Chen, Yuxiang
关键词:fish community; cluster analysis; biomass spectrum; ABC curve; redundancy analysis
-
The spatiotemporal changes of crab community in the Yangtze River Estuary after the fishing ban
作者:Yang, Zuchang;Feng, Guangpeng;Yang, Gang;Zhang, Tao;Zhao, Feng;Geng, Zhi;Li, Xia;Tan, Qingyuan;Yang, Zuchang;Feng, Guangpeng;Yang, Zuchang;Feng, Guangpeng
关键词:Yangtze river estuary; crabs; dominant species; diversity; environmental factors
-
Eco-Dynamic Analysis of the Community Structure of Nekton in the Northern South China Sea
作者:Yuan, Huarong;Lin, Zhaojin;Chen, Yuxiang;Chen, Pimao;Yuan, Huarong;Chen, Yuxiang;Chen, Pimao;Yuan, Huarong;Chen, Yuxiang;Chen, Pimao;Yuan, Huarong;Chen, Yuxiang;Chen, Pimao
关键词:laws of thermodynamics; eco-exergy; specific eco-exergy; exergy contribution rate of community; exergy contribution rate of population
-
Spatial Distribution of Major Fish Species Catches and Their Relationship with Environmental Factors in the Beibu Gulf, South China Sea
作者:Li, Menghui;Wang, Xuehui;Du, Feiyan;Peng, Shuai;Wang, Lianggen;Sun, Dianrong;Wang, Yuezhong;Chen, Pimao;Qiu, Yongsong;Li, Menghui;Wang, Xuehui;Chen, Pimao;Wang, Xuehui;Chen, Pimao;Wang, Xuehui;Chen, Pimao;Wang, Xuehui;Chen, Pimao;Wang, Xuehui;Chen, Pimao;Wang, Xuehui
关键词:environmental factors; climate change; potential habitats; spatial distribution; Beibu Gulf



