Mechanism of Steel Corrosion Inhibition Using Mannich Bases

Abstract:

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The paper presents the results obtained when using Mannich bases (and derivatives) as corrosion inhibitors in saline environment, for different types of steels, with various alloying elements. The Mannich basis (ketonic combinations with naphtenic and nitrogen containing rings) were synthesized as such (polar) and as chlorhydrates (ionic) and used in corrosion experiments, in concentrations varying from 0….1300 ppm. The corrosion experiments were performed by potentiodynamic polarization studies. Based on the polarization curves, the corrosion current density and rate were calculated. The inhibitor efficiency was evaluated and based on these values the protection mechanisms was discussed.

Info:

Periodical:

Advanced Materials Research (Volumes 79-82)

Edited by:

Yansheng Yin and Xin Wang

Pages:

1963-1966

DOI:

10.4028/www.scientific.net/AMR.79-82.1963

Citation:

C. Bogatu et al., "Mechanism of Steel Corrosion Inhibition Using Mannich Bases", Advanced Materials Research, Vols. 79-82, pp. 1963-1966, 2009

Online since:

August 2009

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Price:

$35.00

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