超级13Cr和P110油管钢在NaCl溶液中电偶腐蚀行为的研究

doi:10.11896/j.issn.1005-023X.2017.011.023

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Abstract Electrochemical methods were employed to investigate galvanic corrosion behaviors of super 13Cr and P110 couples in NaCl solution. Corrosion morphology and products of the couples were characterized by SEM, EDS and XRD. The results showed that there were obvious potential difference between super 13Cr and P110 steel in NaCl solution. When they were contacted, the super 13Cr-P110 steel couples of electric current density would form the serious galvanic corrosion, P110 was accelerated to corrode as anode and super 13Cr was protected as cathode in the coupling. With the increase of S_c/S_a, the galvanic current increased obviously and anode corrosion was aggravated, the corrosion products was FeO. The form of corrosion damaged was change from loose corrosion products to corrosion film cracking layer falling off.

Key words： super 13Cr P110 steel galvanic corrosion NaCl solution

Published: 04 May 2018

CLC number:

TG178

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	Articles by authors
	YAO Xiaofei
	TIAN Wei
	XIE Faqin
	CHEN Jian

Cite this article:

YAO Xiaofei,TIAN Wei,XIE Faqin, et al. Study on Galvanic Corrosion Behaviors of Super 13Cr and P110 Steel Couples in NaCl Solution[J]. Materials Reports, 2017, 31(11): 166-169.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.011.023 OR http://www.mater-rep.com/EN/Y2017/V31/I11/166

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