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J Chin Soc Corr Pro  2010, Vol. 30 Issue (5): 379-382    DOI:
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STUDY OF Ni-P AND Ni-P-PTFE COATINGS ON CARBON STEEL VIA ELECTROLESS DEPOSITION
LIU Xuezhong, LI Chao, WANG Jianfei, TIAN Jintao, YIN Yansheng
Institute of Materials Science and Engineering, Ocean University of China, Qingdao 266100
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Abstract  The Ni-P and Ni-P-PTFE coatings were experimentally electroless deposited on the surface of carbon steel in the present study. The key preparing process was explored and the as-prepared coatings of Ni-P and Ni-P-PTFE were then characterized using SEM, EDS and XRD. The electrochemical polarization curves and the weight increases of the coated samples in the seawater were conducted to assess the anti-corrosion behaviors of the two coatings. The results indicated that the Ni-P and Ni-P-PTFE coatings have been successfully electroless deposited on the surface of carbon steel. The surface microstructure observations showed that the Ni-P coating was smooth and compact rather than the Ni-P-PTFE coating. Although the results from polarization curves and weight gains indicated that the Ni-P-PTFE coating had anti-corrosion behavior slightly poorer than the Ni-P coating due to the presence of the composite interface in the Ni-P-PTFE coating, the two coatings prepared in this study could provide carbon steel with valuable protection from seawater attack.
Key words:  carbon steel      electroless deposition      Ni-P      Ni-P-PTFE     
Received:  09 April 2009     
ZTFLH: 

TG178

 
Corresponding Authors:  TIAN Jintao     E-mail:  jttian@ouc.edu.cn

Cite this article: 

LIU Xuezhong, LI Chao, WANG Jianfei, TIAN Jintao, YIN Yansheng. STUDY OF Ni-P AND Ni-P-PTFE COATINGS ON CARBON STEEL VIA ELECTROLESS DEPOSITION. J Chin Soc Corr Pro, 2010, 30(5): 379-382.

URL: 

https://www.jcscp.org/EN/     OR     https://www.jcscp.org/EN/Y2010/V30/I5/379

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