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	Influence of temperature and sulfur ion on carbon dioxide corrosion behavior of N80 steel
	Li Jin-bo ; Zuo Jian-e
	2010-10-12 ; 2010-10-12
关键词	Practical Experimental/ carbon compounds corrosion crystal microstructure electrochemical impedance spectroscopy iron compounds pipelines scanning electron microscopy steel X-ray chemical analysis/ sulfur ion temperature dependence carbon dioxide corrosion behavior N80 steel electrochemical impedance spectra EIS microstructure scanning electron microscopy SEM energy despersive spectra EDS transfer resistance film resistance diffusion impedance film capacitance pipeline steel CO/sub 2/ FeCJk FeS-FeCO/sub 3// A8160B Surface treatment and degradation of metals and alloys A8245 Electrochemistry and electrophoresis A8280F Electrochemical analytical methods A6480G Microstructure A8280D Electromagnetic radiation spectrometry (chemical analysis) E1710 Engineering materials E2210 Mechanical components E1520N Surface treatment and coating techniques/ CO2/bin O2/bin C/bin O/bin Fe/sur C/sur Fe/ss C/ss FeSFeCO3/ss CO3/ss O3/ss Fe/ss C/ss O/ss S/ss
中文摘要	The joint effect of temperature and sulfur ion on the carbon dioxide corrosion behavior of N80 steel was investigated by electrochemical impedance spectra(EIS). The microstructure and composition of the corrosion scale was observed and analyzed by scanning electron microscopy (SEM) and energy despersive spectra( EDS). The results showed that temperature and sulfur ion have significant effect on the corrosion behavior of N80 steel. With the addition of sulfur ion, the sample surface was covered by a corrosion scale, which was mainly composed of FeS and a little amount of FeCO/sub 3/. With the increase of the sulfur ion concentration of the stratum water from oilfield, the transfer resistance R/sub 1/, film resistance R/sub 2/ and diffusion impedance W increased, the film capacitance Q/sub 2/ decreased. The compactness of the corrosion scale increased with the increment of sulfur ion concentration and temperature.
语种	中文
出版者	Editorial Board of Corrosion Science and Protection Technology ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79864]
专题	清华大学
推荐引用方式 GB/T 7714	Li Jin-bo,Zuo Jian-e. Influence of temperature and sulfur ion on carbon dioxide corrosion behavior of N80 steel[J],2010, 2010.
APA	Li Jin-bo,&Zuo Jian-e.(2010).Influence of temperature and sulfur ion on carbon dioxide corrosion behavior of N80 steel..
MLA	Li Jin-bo,et al."Influence of temperature and sulfur ion on carbon dioxide corrosion behavior of N80 steel".(2010).

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