Effect of cold rolling on the corrosion properties of low-alloy steel in an acid-chloride solution

Nam, Nguyễn Đăng; Lee, Dong Hoon; Kim, Jung Gu; Park, No Jin

doi:10.1007/s12540-014-3009-2

Cited by 25 publications

(5 citation statements)

References 30 publications

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“…This difference in morphologies is likely to have an influence on the corrosion performance of the two steels since the smaller grain size, higher pearlite density and its greater area over the Fe matrix in case of X65, may lead to a less reactive surface. 38 Fig. 2 shows the SEM morphologies of AS1020 and X65 steels after 72 h of immersion in CO 2 -saturated 0.01 M NaCl solution.…”

Section: Resultsmentioning

confidence: 99%

An Interaction between Praseodymium 4-Hydroxycinnamate with AS1020 and X65 Steel Microstructures in Carbon Dioxide Environment

Nam

Panaitescu

Tan

et al. 2018

J. Electrochem. Soc.

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This work reports on the application of a rare earth organic compound, praseodymium 4-hydroxycinnamate -Pr(4OHCin) 3 , as an effective inhibitor suitable for preventing carbon dioxide corrosion of steels in an aggressive environment. Two steels, namely an AS1020 and a X65 steel, have been tested in 0.01 M NaCl solution saturated with carbon dioxide gas using electrochemical and surface analysis techniques. The results show that X65 steel is less susceptible to corrosion than AS1020 steel in CO 2 -saturated 0.01 M NaCl solution as indicated by a lower corrosion current density and a higher polarization resistance. On the other hand, the AS1020 was inhibited much more effectively by praseodymium 4-hydroxycinnamate compound in comparison with X65 steel, as the corrosion behavior of AS1020 and X65 steels was similar in the presence of the inhibitor. However, the inhibiting effects on the anodic reaction was greater for AS1020 due to a reduction in the anodic current density in comparison with X65 steel. The dramatic effect of praseodymium 4-hydroxycinnamate compound could be attributed to the protective inhibiting deposits and enhanced film formation on the more active steel surface.

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Section: Resultsmentioning

confidence: 99%

An Interaction between Praseodymium 4-Hydroxycinnamate with AS1020 and X65 Steel Microstructures in Carbon Dioxide Environment

Nam

Panaitescu

Tan

et al. 2018

J. Electrochem. Soc.

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“…Since steel plays a crucial role in petroleum industry, companies have prioritized finding ways of protecting steel rather than replacing it by other materials. Some of the ways consist of alloys, coatings, special treatments or inhibitors [ 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ], in which the inhibitors have been demonstrated possessing the most suitable advantages. Most of today’s commercial corrosion inhibitors are amine-based as well as its derivatives.…”

Section: Introductionmentioning

confidence: 99%

A Study on Corrosion Inhibitor for Mild Steel in Ethanol Fuel Blend

Hiến

Man

et al. 2017

Materials

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The main aim of this study is to investigate Aganonerion polymorphum leaf-ethyl acetate extract (APL-EAE) and its inhibiting effect for steel in ethanol fuel blend. The immersion test, electrochemical and surface analysis techniques were successfully carried out in this research. Scanning electron microscope images indicated that the ethanol fuel blend induced pitting corrosion of steel. Remarkably, the surface of the sample containing 1000 ppm APL-EAE is smoother than the others submerged in different conditions. The electrochemical impedance spectroscopy result shows that APL-EAE has formed a good protective layer, preventing corrosive factors from hitting the steel surface. The potentiodynamic polarization data argue that the corrosion inhibition efficiency was strengthened with the increase of APL-EAE concentration. The Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy demonstrated less intensity of Fe peaks, higher intensity of C1s peak and the appearance of organic peaks (N1s, P2p, O1s) from specimens with and without APL-EAE addition. Therefore, the results suggest the formation of the protective film on steel surface and affirm that APL-EAE has served as an effective corrosion inhibitor for steel in ethanol fuel blend.

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“…However, in case of practical applications, it is totally a different scenario which should face a poor corrosion resistance in all kinds of aggressive environments such as industrial cleaning, acid corrosion in the acid picking processes, acid rain, and oil well acidification, as well as ocean environment [2,3]. Therefore, many attempts have been recommended for mitigating the steel corrosion using the control of its microstructure [4], coatings [5], surface treatments [6], adding certain alloying elements [7], and self-assembly of organic molecules on a solid surface or at the solid-liquid interface [8], as well as the corrosion inhibitors [9][10][11][12][13]. Among these methods, addition of corrosion inhibitor to the environment has been tremendously used as the ideal way for improving corrosion resistance of steel due to the cost savings, easy to use, and not interrupting any processes.…”

Section: Introductionmentioning

confidence: 99%

A Study on the Localized Corrosion Inhibition for Mild Steel in Saline Solution

Nam

Hiến

Vaka³

2018

JST

Self Cite

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Abstract. In this study, 0.45 mM yttrium 4-nitrocinnamate (Y(4NO 2 Cin) 3 ) embedded in various aqueous chloride solutions, which has been studied as a possible localized corrosion inhibition system using electrochemical techniques and surface analysis. Furthermore, a wire-beam electrode (WBE) exposed to NaCl solutions containing Y(4NO 2 Cin) 3 compound. The results indicated the possible application of a WBE in simulating and monitoring the localized corrosion inhibition. Moreover, Y(4NO 2 Cin) 3 compound showed an excellent localized corrosion inhibition at 0.01 M due to high inhibition performance and good protective film formation. It also indicated that addition of 0.45 mM Y(4NO 2 Cin) 3 compound increased the localized corrosion inhibition with a decrease of the Cl¯ ion concentration in the investigated solutions. A new method of localized corrosion inhibition estimation has been developed using a WBE which shows a consistent result with electrochemical and surface analysis data. In addition, other electrochemical techniques and surface analysis are also used for not only ensuring but also confirming the localized corrosion inhibition.

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Effect of cold rolling on the corrosion properties of low-alloy steel in an acid-chloride solution

Cited by 25 publications

References 30 publications

An Interaction between Praseodymium 4-Hydroxycinnamate with AS1020 and X65 Steel Microstructures in Carbon Dioxide Environment

An Interaction between Praseodymium 4-Hydroxycinnamate with AS1020 and X65 Steel Microstructures in Carbon Dioxide Environment

A Study on Corrosion Inhibitor for Mild Steel in Ethanol Fuel Blend

A Study on the Localized Corrosion Inhibition for Mild Steel in Saline Solution

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