Plasma diagnostic and microstructural study of WCN coatings growth by pulsed vacuum arc discharge

Elisabeth Restrepo-Parra, Daniel Escobar, Rogelio Ospina, Jorge Hernán Quintero, Ricardo M. Londoño

Resultado de la investigación: Contribución a una revistaArtículo

Resumen

In this work, we present a study of the plasma evolution during tungsten carbon nitride (WCN) coatings production using the repetitive pulsed arc technique. For the coatings production, a tungsten carbide (WC) target, and a mixture of argon and nitrogen as the filled gas were used. The study was carried out for discharges generated with one, two, three, and four pulses. The WCN coatings were characterized by X-ray diffraction (XRD) to identify the phases present in this material. The plasma was experimentally studied by optical emission spectroscopy (OES). A correlation was found between the spectral lines behavior and the material composition evolution. As the number of pulses increased, the intensity of the spectral lines also increased, especially in the case of the atomic lines of nitrogen, NI. The results were analysed to obtain information regarding the reactions in the plasma, as well as the electron temperature and density.

Idioma originalInglés
Páginas (desde-hasta)827-837
Número de páginas11
PublicaciónContributions to Plasma Physics
Volumen58
N.º9
DOI
EstadoPublicada - 1 oct 2018

Huella dactilar

plasma diagnostics
arc discharges
coatings
vacuum
line spectra
nitrogen
tungsten carbides
carbon nitrides
optical emission spectroscopy
pulses
tungsten
arcs
argon
electron energy
diffraction
gases
x rays

Citar esto

Restrepo-Parra, Elisabeth ; Escobar, Daniel ; Ospina, Rogelio ; Quintero, Jorge Hernán ; Londoño, Ricardo M. / Plasma diagnostic and microstructural study of WCN coatings growth by pulsed vacuum arc discharge. En: Contributions to Plasma Physics. 2018 ; Vol. 58, N.º 9. pp. 827-837.
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abstract = "In this work, we present a study of the plasma evolution during tungsten carbon nitride (WCN) coatings production using the repetitive pulsed arc technique. For the coatings production, a tungsten carbide (WC) target, and a mixture of argon and nitrogen as the filled gas were used. The study was carried out for discharges generated with one, two, three, and four pulses. The WCN coatings were characterized by X-ray diffraction (XRD) to identify the phases present in this material. The plasma was experimentally studied by optical emission spectroscopy (OES). A correlation was found between the spectral lines behavior and the material composition evolution. As the number of pulses increased, the intensity of the spectral lines also increased, especially in the case of the atomic lines of nitrogen, NI. The results were analysed to obtain information regarding the reactions in the plasma, as well as the electron temperature and density.",
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Restrepo-Parra, E, Escobar, D, Ospina, R, Quintero, JH & Londoño, RM 2018, 'Plasma diagnostic and microstructural study of WCN coatings growth by pulsed vacuum arc discharge', Contributions to Plasma Physics, vol. 58, n.º 9, pp. 827-837. https://doi.org/10.1002/ctpp.201600062

Plasma diagnostic and microstructural study of WCN coatings growth by pulsed vacuum arc discharge. / Restrepo-Parra, Elisabeth; Escobar, Daniel; Ospina, Rogelio; Quintero, Jorge Hernán; Londoño, Ricardo M.

En: Contributions to Plasma Physics, Vol. 58, N.º 9, 01.10.2018, p. 827-837.

Resultado de la investigación: Contribución a una revistaArtículo

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AU - Restrepo-Parra, Elisabeth

AU - Escobar, Daniel

AU - Ospina, Rogelio

AU - Quintero, Jorge Hernán

AU - Londoño, Ricardo M.

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