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Materials 2014, 7(2), 662-672; doi:10.3390/ma7020662
Article

Novel Corrosion Inhibitor for Mild Steel in HCl

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Received: 1 November 2013; in revised form: 28 November 2013 / Accepted: 17 December 2013 / Published: 27 January 2014
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Abstract: Corrosion inhibitory effects of new synthesized compound namely 5,5'- ((1Z,1'Z)-(1,4-phenylenebis(methanylylidene))bis(azanylylidene))bis(1,3,4-thiadiazole-2-thiol) (PBB) on mild steel in 1.0 M HCl was investigated at different temperatures using open circuit potential (OCP), potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS). Results showed that PBB inhibited mild steel corrosion in acid solution and indicated that the inhibition efficiencies increased with the concentration of inhibitor, but decreased proportionally with temperature. Changes in impedance parameters suggested the adsorption of PBB on the mild steel surface, leading to the formation of protective films.
Keywords: mild steel; thiadiazole; OCP; EIS; corrosion inhibition mild steel; thiadiazole; OCP; EIS; corrosion inhibition
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Al-Amiery, A.A.; Kadhum, A.A.H.; Alobaidy, A.H.M.; Mohamad, A.B.; Hoon, P.S. Novel Corrosion Inhibitor for Mild Steel in HCl. Materials 2014, 7, 662-672.

AMA Style

Al-Amiery AA, Kadhum AAH, Alobaidy AHM, Mohamad AB, Hoon PS. Novel Corrosion Inhibitor for Mild Steel in HCl. Materials. 2014; 7(2):662-672.

Chicago/Turabian Style

Al-Amiery, Ahmed A.; Kadhum, Abdul A.H.; Alobaidy, Abdul Hameed M.; Mohamad, Abu B.; Hoon, Pua S. 2014. "Novel Corrosion Inhibitor for Mild Steel in HCl." Materials 7, no. 2: 662-672.


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