Dataciencia

Colección SciELO Chile

Evolution of corrosion products on ASTM A36 and AISI 304L steels formed in exposure to molten NaNO<sub>3</sub>-KNO<sub>3</sub> eutectic salt: Electrochemical study

Indexado

WoS	WOS:000782055800003
Scopus	SCOPUS_ID:85121910944

DOI

10.1016/J.CORSCI.2021.110047

Año

2022

Tipo

artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras

Abstract

Thermal energy storage uses molten salt as a heat transfer fluid implies a high corrosion risk. In this work, ASTM A36 and AISI 304L steel, exposed to solar salt at 390 degrees C for 21 days, were studied by electrochemical impedance spectroscopy. The results were validated by mass gain and the characterization of corrosion products. Carbon steel revealed a porous behavior related to the formation of corrosion products based on iron oxides, as described the De Levies theory, whereas stainless steel showed the formation of a passive multilayer of iron and chromium oxides, which was adjusted to the Power-law model.

Revista

Revista	ISSN
Corrosion Science	0010-938X

Métricas Externas

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Disciplinas de Investigación

WOS
Metallurgy & Metallurgical Engineering
Materials Science, Multidisciplinary

Scopus
Sin Disciplinas

SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional

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Autores - Afiliación

Ord.	Autor	Género	Institución - País
1	PINEDA-PARRA, FABIOLA	Mujer	Universidad Mayor - Chile Pontificia Universidad Católica de Chile - Chile
2	WALCZAK, MAGDALENA MARTA	Mujer	Pontificia Universidad Católica de Chile - Chile
3	Vilchez, Franco	Hombre	Pontificia Universidad Católica de Chile - Chile
4	Guerra, Carolina	Mujer	Pontificia Universidad Católica de Chile - Chile
5	ESCOBAR-HENRIQUEZ, RAUL GUILLERMO	Hombre	Pontificia Universidad Católica de Chile - Chile
6	SANCY-VELASQUEZ, MAMIE ODETTE	Mujer	Pontificia Universidad Católica de Chile - Chile

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Financiamiento

Fuente
FONDEQUIP
FONDECYT Iniciación
Fondo Nacional de Desarrollo Científico y Tecnológico
CONICYT/ANID
Center of Solar Energy Technologies CSET

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos

Agradecimiento
The authors would like to acknowledge the financial support provided by the Center of Solar Energy Technologies CSET through CORFO Project 13CEI2-21803. Also, the authors would like to acknowledge Fondequip EQM160091 and EQM150101 projects for funding the Glow Discharge Optical Emission Spectroscopy (GD-OES) and the Field Emission Scanning Electron Microscope coupled to Energy Dispersive X-ray Octane PRO spectroscopy (FE-SEM EDX). F. Pineda gratefully acknowledges the Conicyt/Anid support given through projects ConicytPAI Concurso insercion en el sector productivo, segunda convocatoria 2017, ISP i78170200020, and Fondecyt Iniciacion 11200388. Additionally, we are also grateful to SQM for the donation of molten salt components, and to Tom Avila, Melissa Farias, and Camila Lienlaf for their support and participation in the experimental aspects of this work.
The authors would like to acknowledge the financial support provided by the Center of Solar Energy Technologies CSET through CORFO Project 13CEI2-21803 . Also, the authors would like to acknowledge Fondequip EQM160091 and EQM150101 projects for funding the Glow Discharge Optical Emission Spectroscopy ( GD-OES ) and the Field Emission Scanning Electron Microscope coupled to Energy Dispersive X-ray Octane PRO spectroscopy ( FE-SEM EDX ). F. Pineda gratefully acknowledges the Conicyt/Anid support given through projects Conicyt-PAI Concurso inserción en el sector productivo, segunda convocatoria 2017 , ISP i78170200020 , and Fondecyt Iniciación 11200388 . Additionally, we are also grateful to SQM for the donation of molten salt components, and to Tom Ávila, Melissa Farías, and Camila Lienlaf for their support and participation in the experimental aspects of this work.

Agradecimiento

The authors would like to acknowledge the financial support provided by the Center of Solar Energy Technologies CSET through CORFO Project 13CEI2-21803. Also, the authors would like to acknowledge Fondequip EQM160091 and EQM150101 projects for funding the Glow Discharge Optical Emission Spectroscopy (GD-OES) and the Field Emission Scanning Electron Microscope coupled to Energy Dispersive X-ray Octane PRO spectroscopy (FE-SEM EDX). F. Pineda gratefully acknowledges the Conicyt/Anid support given through projects ConicytPAI Concurso insercion en el sector productivo, segunda convocatoria 2017, ISP i78170200020, and Fondecyt Iniciacion 11200388. Additionally, we are also grateful to SQM for the donation of molten salt components, and to Tom Avila, Melissa Farias, and Camila Lienlaf for their support and participation in the experimental aspects of this work.

The authors would like to acknowledge the financial support provided by the Center of Solar Energy Technologies CSET through CORFO Project 13CEI2-21803 . Also, the authors would like to acknowledge Fondequip EQM160091 and EQM150101 projects for funding the Glow Discharge Optical Emission Spectroscopy ( GD-OES ) and the Field Emission Scanning Electron Microscope coupled to Energy Dispersive X-ray Octane PRO spectroscopy ( FE-SEM EDX ). F. Pineda gratefully acknowledges the Conicyt/Anid support given through projects Conicyt-PAI Concurso inserción en el sector productivo, segunda convocatoria 2017 , ISP i78170200020 , and Fondecyt Iniciación 11200388 . Additionally, we are also grateful to SQM for the donation of molten salt components, and to Tom Ávila, Melissa Farías, and Camila Lienlaf for their support and participation in the experimental aspects of this work.