Estudio del comportamiento ante la corrosión de películas delgadas de Ni y óxido de Ni obtenidas por espurreo catódico frente a un medio amargo

C.R. Magaña-Zavala, F.J. Rodríguez-Gómez, D.R. Acosta, R. Ávila-Godo, .

Abstract


The aim of this work is to study the behavior of nickel and nickel oxide thin films obtained by cathodic sputtering on steel AISI 1018 (UNS G 10180), with the purpose of diminishing the corrosion rate of low carbon steel when it is exposed to a sour medium (sulphidric acid and chlorides) and to extend the life of metallic petrochemical structures which would result in an important amount of monetary and human resources savings. The characterization of the surfaces was carried out by electrochemical techniques, such as polarization curves and electrochemical impedance spectroscopy.

Keywords


Nickel; cathodic sputtering; sour medium

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REVISTA MEXICANA DE FÍSICA, year 67, issue 2, March-April 2021. Bimonthly Journal published by Sociedad Mexicana de Física, A. C. Departamento de Física, 2º Piso, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad Universitaria, Alcaldía Coyacán, C.P. 04510 , Ciudad de México. Apartado Postal 70-348. Tel. (+52)55-5622-4946, https://rmf.smf.mx/ojs/rmf, e-mail: rmf@ciencias.unam.mx. Chief Editor: José Alejandro Ayala Mercado. INDAUTOR Certificate of Reserve: 04-2019-080216404400-203, ISSN: 2683-2224 (on line), 0035-001X (print), both granted by Instituto Nacional del Derecho de Autor. Responsible for the last update of this issue, Technical Staff of Sociedad Mexicana de Física, A. C., Fís. Efraín Garrido Román, 2º. Piso, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad Universitaria, Alcaldía Coyacán, C.P. 04510 , Ciudad de México. Date of last modification, March 1st., 2021.

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