Effect of the angle of incidence on HfN monolayers exposed to corrosion erosion phenomena.

Hard coatings are an alternative for surface improvement of industrial tools since they are developed with the purpose of increasing the lifespan of materials through the enhancement of its characteristics against wear mechanisms and corrosion phenomena. In this study, hafnium nitride monolayers wer...

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Autores Principales: Guzmán Duran, Pablo Andrés, Aperador Chaparro, William, Caballero Gómez, José Luis
Formato: Artículo (Article)
Lenguaje:Español (Spanish)
Publicado: Universidad Militar Nueva Granada 2015
Materias:
Acceso en línea:http://hdl.handle.net/10654/33156
id ir-10654-33156
recordtype dspace
institution Universidad Militar Nueva Granada
collection DSpace
language Español (Spanish)
topic Synergy
corrosion
erosion.
Sinergia
corrosión
erosión.
spellingShingle Synergy
corrosion
erosion.
Sinergia
corrosión
erosión.
Guzmán Duran, Pablo Andrés
Aperador Chaparro, William
Caballero Gómez, José Luis
Effect of the angle of incidence on HfN monolayers exposed to corrosion erosion phenomena.
description Hard coatings are an alternative for surface improvement of industrial tools since they are developed with the purpose of increasing the lifespan of materials through the enhancement of its characteristics against wear mechanisms and corrosion phenomena. In this study, hafnium nitride monolayers were deposited on AISI 4140 steel substrates through the RF magnetron technique (13.56 MHz) to determine estimated values of material loss, mechanical wear and synergy in the corrosion and erosion phenomena, according to the ASTM G119–03 standard, which relates corrosion to wear. The monolayers were evaluated against corrosion-erosion phenomena, as well as corrosion and erosion at two incidence angles of 30° and 90° in a solution composed by 0.5 M NaCl, using impingement jet equipment to analyze the effect of the incidence angle on the corrosion erosion resistance of these coatings. Through Tafel polarization curves and scanning electron microscopy, the electrochemical evaluation and the micro-structural characterization of the coatings were respectively made. An increase in the corrosion rate on the systems subjected to 90° and a decrease on those subjected to 30° was observed.
format Artículo (Article)
author Guzmán Duran, Pablo Andrés
Aperador Chaparro, William
Caballero Gómez, José Luis
author_facet Guzmán Duran, Pablo Andrés
Aperador Chaparro, William
Caballero Gómez, José Luis
author_sort Guzmán Duran, Pablo Andrés
title Effect of the angle of incidence on HfN monolayers exposed to corrosion erosion phenomena.
title_short Effect of the angle of incidence on HfN monolayers exposed to corrosion erosion phenomena.
title_full Effect of the angle of incidence on HfN monolayers exposed to corrosion erosion phenomena.
title_fullStr Effect of the angle of incidence on HfN monolayers exposed to corrosion erosion phenomena.
title_full_unstemmed Effect of the angle of incidence on HfN monolayers exposed to corrosion erosion phenomena.
title_sort effect of the angle of incidence on hfn monolayers exposed to corrosion erosion phenomena.
publisher Universidad Militar Nueva Granada
publishDate 2015
url http://hdl.handle.net/10654/33156
_version_ 1712102094614298624
spelling ir-10654-331562020-01-08T19:04:44Z Effect of the angle of incidence on HfN monolayers exposed to corrosion erosion phenomena. Efecto del ángulo de incidencia sobre monocapas de HfN expuestas a fenómenos de corrosión erosión Guzmán Duran, Pablo Andrés Aperador Chaparro, William Caballero Gómez, José Luis Synergy corrosion erosion. Sinergia corrosión erosión. Hard coatings are an alternative for surface improvement of industrial tools since they are developed with the purpose of increasing the lifespan of materials through the enhancement of its characteristics against wear mechanisms and corrosion phenomena. In this study, hafnium nitride monolayers were deposited on AISI 4140 steel substrates through the RF magnetron technique (13.56 MHz) to determine estimated values of material loss, mechanical wear and synergy in the corrosion and erosion phenomena, according to the ASTM G119–03 standard, which relates corrosion to wear. The monolayers were evaluated against corrosion-erosion phenomena, as well as corrosion and erosion at two incidence angles of 30° and 90° in a solution composed by 0.5 M NaCl, using impingement jet equipment to analyze the effect of the incidence angle on the corrosion erosion resistance of these coatings. Through Tafel polarization curves and scanning electron microscopy, the electrochemical evaluation and the micro-structural characterization of the coatings were respectively made. An increase in the corrosion rate on the systems subjected to 90° and a decrease on those subjected to 30° was observed. Los recubrimientos duros son una alternativa para el mejoramiento superficial de herramientas industriales, ya que son desarrollados con el fin de aumentar la vida de servicio del material mediante un mejoramiento de sus características frente a mecanismos de desgaste y fenómenos corrosivos. En el presente estudio se depositaron monocapas de nitruro de hafnio sobre sustratos de acero AISI 4140 mediante la técnica del magnetrón sputteringmulti-blanco en r.f. (13.56 MHz). Esto se hizo con el objetivo de determinar valores estimados de la pérdida de material, el desgaste mecánico y la sinergia en los fenómenos corrosivos y erosivos con base en la norma ASTM G119–03, que interrelaciona la corrosión con el desgaste. Las monocapas fueron evaluadas frente a fenómenos de corrosión-erosión, erosión y corrosión  a dos ángulos de impacto de 30º y 90º, en una solución compuesta por NaCl 0.5 M usando un equipo de incidencia de chorro de partícula. Se analizó el efecto del ángulo de impacto en la resistencia a la corrosión erosión de estos recubrimientos. Mediante curvas de polarización Tafel y microscopia electrónica de barrido se realizó la evaluación electroquímica y la caracterización micro-estructural de los recubrimientos respectivamente. Se observó un aumento en la velocidad de corrosión para los sistemas sometidos a 90° y una disminución para los sistemas a 30º.  2015-06-02 2020-01-08T19:04:44Z 2020-01-08T19:04:44Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion https://revistas.unimilitar.edu.co/index.php/rcin/article/view/429 10.18359/rcin.429 http://hdl.handle.net/10654/33156 spa https://revistas.unimilitar.edu.co/index.php/rcin/article/view/429/229 https://revistas.unimilitar.edu.co/index.php/rcin/article/view/429/1566 /*ref*/Efremenko, V. G., Shimizu, K., Noguchi, T., Efremenko, A. V. y Chabak, Y. G. (2013). Impact–abrasive–corrosion wear of Fe-based alloys: Influence of microstructure and chemical composition upon wear resistance. Wear, 305(1–2), 155–165. http://dx.doi.org/10.1016/j.wear.2013.06.006 /*ref*/Papavinasam, S. (2014). Corrosion Control in the Oil and Gas Industry. San Diego, EE.UU: Gulf Professional Publishing. /*ref*/Sarkar, J. (2014). 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