Study of Temperature Effect on the Corrosion Inhibition of C38 Carbon Steel Using Amino-tris(Methylenephosphonic) Acid in Hydrochloric Acid Solution | Zendy

Najoua Labjar | Zendy; Fouad Bentiss | Zendy; Mounim Lebrini | Zendy; Charafeddine Jama | Zendy; Souad El Hajjaji | Zendy

Open Access

Study of Temperature Effect on the Corrosion Inhibition of C38 Carbon Steel Using Amino-tris(Methylenephosphonic) Acid in Hydrochloric Acid Solution

Author(s) -

Najoua Labjar,

Fouad Bentiss,

Mounim Lebrini,

Charafeddine Jama,

Souad El Hajjaji

Publication year - 2011

Publication title -

international journal of corrosion

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.312

H-Index - 18

eISSN - 1687-9333

pISSN - 1687-9325

DOI - 10.1155/2011/548528

Subject(s) - adsorption , tafel equation , corrosion , hydrochloric acid , carbon steel , langmuir adsorption model , inorganic chemistry , polarization (electrochemistry) , materials science , atmospheric temperature range , langmuir , nuclear chemistry , chemistry , metallurgy , organic chemistry , electrochemistry , physics , electrode , meteorology

Tafel polarization method was used to assess the corrosion inhibitive and adsorption behaviours of amino-tris(methylenephosphonic) acid (ATMP) for C38 carbon steel in 1 M HCl solution in the temperature range from 30 to 60∘C. It was shown that the corrosion inhibition efficiency was found to increase with increase in ATMP concentration but decreased with temperature, which is suggestive of physical adsorption mechanism. The adsorption of the ATMP onto the C38 steel surface was found to follow Langmuir adsorption isotherm model. The corrosion inhibition mechanism was further corroborated by the values of kinetic and thermodynamic parameters obtained from the experimental data

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