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| Adsorption and Corrosion Inhibition Performances of 1-Tetradecylphosphonic Acid Self-Assembled Monolayers on 430 Stainless Steel Surface |
| WANG Hai-ren1,2,JIANG Yan2,QU Jun-e2,CAO Zhi-yong2,LIU Shao-bo2,GUO Xing-peng1 |
1. Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
2. Faculty of Materials Science and Engineering, Hubei University, Wuhan 430062, Hubei, China |
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Abstract The self-assembled monolayers (SAMs) of 1-tetradecylphosphonic acid (TDPA) formed on the 430 stainless steel (SS430) were studied. Surface and morphological characterizations were studied by Fourier transformed infrared spectroscopy (FTIR), water contact angle measurement and atomic force microscopy (AFM). And the electrochemical study on the corrosion inhibition of the SAMs was performed by polarization curve and electrochemical impedance spectroscopy (EIS) for evaluating the corrosion protection of the SAMs. The results show that TDPA was able to form a film spontaneously on the SS430 surface and the hydrophobic SAMs could protect SS430 from corrosion effectively. In addition, the oxide surface formed by the heat pretreatment could accelerate the rate of adsorption, but had little effect on improving the inhibition efficiency.
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Received: 09 January 2012
Published: 16 September 2013
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2013, Vol. 20 
