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J Chin Soc Corr Pro  2009, Vol. 29 Issue (1): 50-54    DOI:
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CORROSION BEHAVIOR OF EPOXY-POLYAMIDE COATED CARBON STEEL IN THE WASTE PERCOLATE
ZHOU Debi1;CUI Lili1;LI Lin1;QU Junlin2;HU Jianwen1;LAI Yuan1
1.Institute of Chemistry and Chemical Engineering; Central South University; Changsha 410083
2.Narada Licom Power Tech. Co.; Ltd.; Shanghai 201206
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Abstract  

The corrosion behaviors of epoxy-polyamide coated carbon steel in the mixed solution of NaCl-(NH4)2SO4-NH4Cl and in the waste percolate were investigated using polarization curve and electrochemical impedance spectroscopy (EIS) methods. The corrosion potential of the sample ranged from -0.47 V to -0.61 V in the mixed solution and from -0.60 V to -0.68 V in the waste percolate. The waste percolate showed a stronger corrosiveness than that of the mixed solution. The coating of the epoxy-polyamide exhibited a good stability and corrosion resistance in the above corrosive environment.

Key words:  waste percolate      epoxy-polyamide      corrosion      EIS      equivalent circuit     
Received:  24 April 2007     
ZTFLH: 

TG178

 
Corresponding Authors:  ZHOU Debi     E-mail:  zhoudb@mail.csu.edu.cn

Cite this article: 

. CORROSION BEHAVIOR OF EPOXY-POLYAMIDE COATED CARBON STEEL IN THE WASTE PERCOLATE. J Chin Soc Corr Pro, 2009, 29(1): 50-54.

URL: 

https://www.jcscp.org/EN/     OR     https://www.jcscp.org/EN/Y2009/V29/I1/50

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