Corrosion resistance of the dissimilar alloy AL6XN-Inconel 718 in 0.5 M NaCl

Natalya V. Likhanova; Miguel A. Cruz Castaneda; Paulina Arellanes-Lozada; Octavio Olivares-Xometl; Irina Lijanova; J. Arriola-Morales

doi:10.1088/2053-1591/ac1b64

Corrosion resistance of the dissimilar alloy AL6XN-Inconel 718 in 0.5 M NaCl

Natalya V. Likhanova, Miguel A. Cruz Castaneda, Paulina Arellanes-Lozada, Octavio Olivares-Xometl, Irina Lijanova, J. Arriola-Morales

Centro de Investigación e Innovación Tecnológica (CIITEC)

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Resumen

In the present work, the corrosion resistance of the dissimilar alloy AL6XN-Inconel 718 bound by the Gas Tungsten Arc Welding (GTAW) method was studied. Different alloy zones were analyzed: base materials (BMs), heat affected zones (HAZs) and welds. The effect exerted by the GTAW method on the corrosion resistance displayed by such dissimilar alloy in 0.5 M NaCl was established by means of corrosion studies employing potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS) tests. The electrochemical results revealed that the alloy HAZs are more susceptible to corrosion due to microstructure changes caused mainly by elements such as Ni, Cr and Mo during the GTAW process.

Idioma original	Inglés
Número de artículo	086509
Publicación	Materials Research Express
Volumen	8
N.º	8
DOI	https://doi.org/10.1088/2053-1591/ac1b64
Estado	Publicada - ago. 2021

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title = "Corrosion resistance of the dissimilar alloy AL6XN-Inconel 718 in 0.5 M NaCl",

abstract = "In the present work, the corrosion resistance of the dissimilar alloy AL6XN-Inconel 718 bound by the Gas Tungsten Arc Welding (GTAW) method was studied. Different alloy zones were analyzed: base materials (BMs), heat affected zones (HAZs) and welds. The effect exerted by the GTAW method on the corrosion resistance displayed by such dissimilar alloy in 0.5 M NaCl was established by means of corrosion studies employing potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS) tests. The electrochemical results revealed that the alloy HAZs are more susceptible to corrosion due to microstructure changes caused mainly by elements such as Ni, Cr and Mo during the GTAW process.",

keywords = "corrosion resistance, dissimilar alloy, electrochemical impedance spectroscopy, potentiodynamic polarization",

author = "Likhanova, {Natalya V.} and {Cruz Castaneda}, {Miguel A.} and Paulina Arellanes-Lozada and Octavio Olivares-Xometl and Irina Lijanova and J. Arriola-Morales",

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T1 - Corrosion resistance of the dissimilar alloy AL6XN-Inconel 718 in 0.5 M NaCl

AU - Likhanova, Natalya V.

AU - Cruz Castaneda, Miguel A.

AU - Arellanes-Lozada, Paulina

AU - Olivares-Xometl, Octavio

AU - Lijanova, Irina

AU - Arriola-Morales, J.

PY - 2021/8

Y1 - 2021/8

N2 - In the present work, the corrosion resistance of the dissimilar alloy AL6XN-Inconel 718 bound by the Gas Tungsten Arc Welding (GTAW) method was studied. Different alloy zones were analyzed: base materials (BMs), heat affected zones (HAZs) and welds. The effect exerted by the GTAW method on the corrosion resistance displayed by such dissimilar alloy in 0.5 M NaCl was established by means of corrosion studies employing potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS) tests. The electrochemical results revealed that the alloy HAZs are more susceptible to corrosion due to microstructure changes caused mainly by elements such as Ni, Cr and Mo during the GTAW process.

AB - In the present work, the corrosion resistance of the dissimilar alloy AL6XN-Inconel 718 bound by the Gas Tungsten Arc Welding (GTAW) method was studied. Different alloy zones were analyzed: base materials (BMs), heat affected zones (HAZs) and welds. The effect exerted by the GTAW method on the corrosion resistance displayed by such dissimilar alloy in 0.5 M NaCl was established by means of corrosion studies employing potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS) tests. The electrochemical results revealed that the alloy HAZs are more susceptible to corrosion due to microstructure changes caused mainly by elements such as Ni, Cr and Mo during the GTAW process.

KW - corrosion resistance

KW - dissimilar alloy

KW - electrochemical impedance spectroscopy

KW - potentiodynamic polarization

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U2 - 10.1088/2053-1591/ac1b64

DO - 10.1088/2053-1591/ac1b64

M3 - Artículo

AN - SCOPUS:85114033763

SN - 2053-1591

VL - 8

JO - Materials Research Express

JF - Materials Research Express

IS - 8

M1 - 086509

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Corrosion resistance of the dissimilar alloy AL6XN-Inconel 718 in 0.5 M NaCl

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