Share This Article:

Repassivation Behaviour of UNS S32101 and UNS S30403 Stainless Steels after Cathodic Stripping of the Native Passive Film in a CO2-Saturated Oilfield Brine

Abstract Full-Text HTML XML Download Download as PDF (Size:5953KB) PP. 281-286
DOI: 10.4236/ampc.2015.58027    2,640 Downloads   3,017 Views   Citations
Author(s)    Leave a comment

ABSTRACT

Repassivation behaviour of the passive film formed on lean duplex stainless steel UNS S32101 and austenitic stainless steel UNS S30403 in a CO2-saturated oilfield environment has been studied. The native passive film on the alloys was thinned/removed by stepping the potential of the alloy to ﹣850 mV/Ag/AgCl for 30 minutes. Potentiostatic measurements were then taken at potentials of ﹣200, ﹣100, 0, 100 and 200 mV versus Ag/AgCl. Results show that the passive film repassivates at potentials of ﹣200 and ﹣100 mV and 0 mV for both alloys at 50°C. The current density however continues to rise for potentials of 100 and 200 mV. This shows that both alloys are susceptible to pitting at potentials above 100 mV at the test temperature of 50°C.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Aribo, S. (2015) Repassivation Behaviour of UNS S32101 and UNS S30403 Stainless Steels after Cathodic Stripping of the Native Passive Film in a CO2-Saturated Oilfield Brine. Advances in Materials Physics and Chemistry, 5, 281-286. doi: 10.4236/ampc.2015.58027.

References

[1] Lee, J.-B. (2006) Effects of Alloying Elements, Cr, Mo and N on Repassivation Characteristics of Stainless Steels Using the Abrading Electrode Technique. Materials Chemistry and Physics, 99, 224-234.
http://dx.doi.org/10.1016/j.matchemphys.2005.10.016
[2] Jegdic, B., Drazic, D.M. and Popic, J.P. (2008) Open Circuit Potentials of Metallic Chromium and Austenitic 304 Stainless Steel in Aqueous Sulphuric Acid Solution and the Influence Chloride Ions on Them. Corrosion Science, 50, 1235-1244.
http://dx.doi.org/10.1016/j.corsci.2008.01.012
[3] Ibrahim, A.M.M., Abd El Rehim, S.S. and Hamza, M.M. (2009) Corrosion Behavior of Some Austenitic Stainless Steels in Chloride Environments. Material Chemistry and Physics, 115, 80-85.
http://dx.doi.org/10.1016/j.matchemphys.2008.11.016
[4] De Christofaro, N., Piantini, M. and Zacchetti, N. (1997) The Influence of Temperature on the Passivation Behavior of a Super Duplex Stainless Steel in a Boric-Borate Buffer Solution. Corrosion Science, 39, 2181-2191.
http://dx.doi.org/10.1016/S0010-938X(97)00101-7
[5] El Hajjaji, S., Aries, L., Pebere, N., Dabosi, F., Audouar, J.P. and Benbachir, A. (1996) Passive State Behavior of special Austenitic and Ferritic Stainless Steels in Phosphoric Acid Polluted by Sulfide Ions. Corrosion Science, 52, 865-871.
http://dx.doi.org/10.5006/1.3292079
[6] Newman, R.C. (1985) The Dissolution and Passivation Kinetics of Stainless Alloy Containing Molybdenum. Coulometric Studies of Fe-Cr and Fe-Cr-Mo Alloys. Corrosion Science, 25, 331-339.
http://dx.doi.org/10.1016/0010-938X(85)90111-8
[7] Gudme, J. and Nielsen, T.S. (2009) Qualification of Lean Duplex Grade LDX 2101 (UNS S32101) for Carcass Material in Flexible Pipes. Proceedings of the NACE Corrosion Conference, Atlanta, 22-26 March 2009, Paper No. 09075.
[8] Wei, Z., Laizhu, J., Jincheng, H. and Hongmei, S. (2008) Study of Mechanical and Corrosion Properties of a Fe-21.4Cr-6Mn-1.5Ni-0.24N-0.6Mo Duplex Stainless Steel. Materials Science and Engineering: A, 497, 501-504.
http://dx.doi.org/10.1016/j.msea.2008.07.062
[9] Merello, R., Botana, F.J., Botella, J., Matres, M.V. and Marcos, M. (2003) Influence of Chemical Composition on the Pitting Corrosion Resistance of Non-Standard Low-Ni High-Mn-N Duplex Stainless Steels. Corrosion Science, 45, 909-921.
http://dx.doi.org/10.1016/S0010-938X(02)00154-3
[10] Johansson, E. and Prosek, T. (2007) Stress Corrosion Cracking Properties of UNS S32101—A New Duplex Stainless Steel with Low Nickel Content. Proceedings of the NACE Corrosion Conference, Nashville, 11-15 March 2007, Paper No. 07475.
[11] Iversen, A., Qvarfort R. and Bergqvist, A. (2005) Corrosion Properties of S32101—A New Duplex Stainless Steel, with Low Nickel Content for Use as Reinforcement in Concrete. Proceedings of the NACE Corrosion Conference, Houston, 3-7 April 2005, Paper No. 05260.
[12] Li, N., Li, Y., Wang, S. and Wang, F. (2006) Electrochemical Corrosion Behavior of Nano Crystallized Bulk 304 Stainless Steel. Electrochimica Acta, 52, 760-765.
http://dx.doi.org/10.1016/j.electacta.2006.06.023
[13] Qiao, Y.X., Zheng, Y.G., Okafor, P.C. and Ke, W. (2009) Electrochemical Behavior of High Nitrogen Bearing Stainless Steel in Acidic Chloride Solution: Effects of Oxygen, Acid Concentration and Surface Roughness. Electrochimica Acta, 54, 2298-2304.
http://dx.doi.org/10.1016/j.electacta.2008.10.038
[14] Qiao, Y.X., Zheng, Y.G., Ke, W. and Okafor, P.C. (2009) Electrochemical Behavior of High Nitrogen Stainless Steel in Acidic Solutions. Corrosion Science, 51, 979-986.
http://dx.doi.org/10.1016/j.corsci.2009.02.026
[15] Jemmely, P. Mischler, S. and Landolt, D. (2000) Electro-chemical Modeling of Passivation Phenomena in Tribocorrosion. Wear, 237, 63-76.
http://dx.doi.org/10.1016/S0043-1648(99)00314-2
[16] Park, J.-J., Pyun, S.-I., Lee, W.-J. and Kim, H.-P. (1999) Effect of Bicarbonate Ion Additives on Pitting Corrosion of Type 316L Stainless Steel in Aqueous 0.5 M Sodium Chloride Solution. Corrosion, 55, 380-387.
[17] Ahila, S., Reynders, B. and Grabk, H.J. (1996) The Evaluation of the Repassivation Tendency of Cr-Mn and Cr-Ni Steels Using Scratch Technique. Corrosion Science, 38, 1991-2005.
[18] Kim J.-D. and Pyun S.-I. (1996) The Effects of Applied Potential and Chloride ion on the Re-passivation Kinetics of Pure Iron. Corrosion Science, 38, 1093-1102.
[19] Escrivà-Cerdán, C., Blasco-Tamari, E., García-García, D., García-Antón, J. and Guenbour, A. (2012) Passivation Behaviour of Alloy 31 (UNS N08031) in Polluted Phosphoric Acid at Different Temperatures. Corrosion Science, 56, 114-112.
http://dx.doi.org/10.1016/j.corsci.2011.11.014

  
comments powered by Disqus

Copyright © 2018 by authors and Scientific Research Publishing Inc.

Creative Commons License

This work and the related PDF file are licensed under a Creative Commons Attribution 4.0 International License.