Investigation on the Corrosion Behavior of Emulsion on the Cold-Rolled Silicon Steel Surface

Abstract:

The silicon steel was cold rolled by using an oil-in-water emulsion for lubricating its surfaces. Oil in water (O/W) emulsion is a lubricant composed of oil in the form of droplets suspended in water. This paper mainly researched on the new emulsion which was prepared by changing the compound proportion between antioxidant 2, 6-Di-tert-butyl-p-cresol (T501) and antirust agent petroleum sodium sulfonate (T702). The corrosion behavior of the emulsion was investigated by weight loss and electrochemical methods. The mechanisms for inhibition of corrosion synergism between T501 and T702 in base oil were studied. The results show that the antirust agent (T702) can effectively forming a layer of adsorption film on the rolled strip surface and this adsorption film can segregate strip surface from air and water. The antioxidant (T501) can capture oxygenic free radical (•OH, RO•, ROO•) and carbon free radical and reduces the trend which emulsion occur oxidation reaction under high temperature and high pressure. The antioxidant plays a minor role in inhibition of corrosion synergism. The results show that the best compound proportion content is 4% antioxidant (T501) and 8% antirust agent (T702), which can effectively increase the anticorrosion effect of emulsion. Meanwhile, the self-corrosion potential and self-corrosion current of the sample is minimal and the self-corrosion current is 1.0226×10^-7A/cm².

• Periodical: Materials Science Forum (Volume 817)
• Pages: 225-230
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.817.225
• Online since: April 2015
• Authors: Yan Li, Jian Lin Sun, Jing Yue Chen, Hao Shi
• Keywords: Antioxidant, Antirust Agent, Cold-Rolled Silicon Steel, Electrochemical Measurements, Weight Loss Measurements

References

[1] S. W Lo, T. C Yang, H. S Lin: Tribology International. Vol. 66 (2013), P. 125.

[2] A Cambiella, J. M Benito, C Pazos: Tribology Letters. Vol. 22 (2006), P. 53.

[3] A Azushima, S Inagaki, H Ohta: Tribology Transactions. Vol. 54 (2011) P. 53.

[4] P. B Kosasih, A. K Tieu: Tribology International. Vol. 40 (2007), P. 709.

[5] J. J Benner, F Sadeghi, M. R Hoeprich: Transactions of the ASME Journal of Tribology. Vol. 128 (2006), P. 296.

[6] A Cambiella, J. M Benito, C Pazos: Tribology Letters. Vol. 22 (2006), P. 53.

[7] J Aljourani, K Raeissi, M. A Golozar: Corros Sci. Vol. 51 (2009), P. 1836.

[8] K. C Emregul, O Atakol, Mater: Chem Phys. Vol. 82 (2003), P. 188.

[9] A Asan, M. Kabasakaloglu, M Is kalan: Corros Sci. Vol. 47 (2005), P. 1534.

[10] P Lowmunkhong, D Ungthararak, P Sutthivaiyakit: Corros Sci. Vol. 52 (2009), P. 30.

[11] C McConnell, J. G Lenard: Joumal of Materials Processing Technology. Vol. 99 (2000), P. 86.

[12] R Guo, T Liu, X Wei: Colloids Surf A. Vol. 209 (2002), P. 37.

[13] V Branzoi, F Golgovici, F Branzoi: Chem Phys. Vol. 78 (2002), P. 122.

[14] F Bentiss, M Traisnel, M Lagrene: Coorros Sci. Vol. 42 (2000), P. 127.

[15] L. B Tang, G. N Mu, G. H Liu: Corros Sci. Vol. 45 (2003), P. 2251.

[16] G. N Mu, X. M Li, F Li: Mater Chem Phys. Vol. 86 (2004), P. 59.

[17] S. Martinez, I Stem: Appl Surf Sci. Vol. 199 (2002), P. 83.

[18] E. S Ferreira, C Giacomelli, F. C Giacomelli: Mater Chem Phys. Vol. 83 (2004), P. 129.