Skip to main content
main-content

Tipp

Weitere Artikel dieser Ausgabe durch Wischen aufrufen

Erschienen in: The International Journal of Advanced Manufacturing Technology 7-8/2021

06.07.2021 | ORIGINAL ARTICLE

Towards optimization of thickness, hardness, and porosity of low-pressure cold sprayed WC-Ni coatings

verfasst von: Wania Jibran, James Hogan, André McDonald

Erschienen in: The International Journal of Advanced Manufacturing Technology | Ausgabe 7-8/2021

Einloggen, um Zugang zu erhalten
share
TEILEN

Abstract

In this study, a 33 full factorial design methodology was used to analyze the effects of spray parameters on the thickness, hardness, and surface porosity of low-pressure cold-sprayed WC-17Ni coatings. Three levels were selected for the spray parameters included in the design which were the powder feed rate (17.1 g/min, 21.1 g/min, and 23.7 g/min), gas temperature (475°C, 500°C, and 525°C), and the nozzle to substrate stand-off distance (3 mm, 5 mm, and 10 mm). It was found that the feed rate was the most significant parameter that affected the coating thickness. The surface porosity was most significantly affected by stand-off distance. The coating hardness was most influenced by the interaction between the feed rate and stand-off distance. An optimization study was then performed to maximize the coating thickness and hardness while minimizing the surface porosity. The optimal spray parameters (OSP) were found to be at a feed rate of 23.7 g/min, 500°C for the carrier gas temperature, and 10 mm for the stand-off distance. The OSP yielded a coating that was 1.22 ± 0.06 mm thick, with a hardness of 364.5 ± 8.5 HV and porosity of 6.8 ± 0.6%. With a multi-parameter process, the system response is affected by both the variation in the individual parameters and the interaction of the parameters with each other. It was also concluded that the interaction between the parameters significantly affected the coating hardness. These results suggest that variation of the selected parameters produce statistically significant effects on the coating quality of WC-17Ni coatings using a low-pressure cold spray system.
Literatur
5.
Zurück zum Zitat Liu Y, Qiao Y, He J, Lavernia EJ, Fischer TE, Samples A (2002) Near-Nanostructured WC-18 Pct Co Coatings with Low Amounts of Non-WC Carbide Phase : Part II . Hardness and Resistance to Sliding and Abrasive Wear. Metall Mater Trans A 33(January):159–164 CrossRef Liu Y, Qiao Y, He J, Lavernia EJ, Fischer TE, Samples A (2002) Near-Nanostructured WC-18 Pct Co Coatings with Low Amounts of Non-WC Carbide Phase : Part II . Hardness and Resistance to Sliding and Abrasive Wear. Metall Mater Trans A 33(January):159–164 CrossRef
9.
Zurück zum Zitat Stewart DA, Shipway PH, Mccartney DG (1999) Abrasive wear behaviour of conventional and nanocomposite HVOF-sprayed WC – Co coatings. Wear 225–229:789–798 CrossRef Stewart DA, Shipway PH, Mccartney DG (1999) Abrasive wear behaviour of conventional and nanocomposite HVOF-sprayed WC – Co coatings. Wear 225–229:789–798 CrossRef
11.
Zurück zum Zitat Guilemany JM, De Paco JM, Nutting J, Miguel JR (1999) Characterization of the W 2 C Phase Formed during the High Velocity Oxygen Fuel Spraying of a WC ϩ 12 Pct Co Powder. 30(August) Guilemany JM, De Paco JM, Nutting J, Miguel JR (1999) Characterization of the W 2 C Phase Formed during the High Velocity Oxygen Fuel Spraying of a WC ϩ 12 Pct Co Powder. 30(August)
26.
Zurück zum Zitat Lima RS, Karthikeyan J, Kay CM, Lindemann J, Berndt CC (2002) Microstructural characteristics of cold-sprayed nanostructured WC – Co coatings. Thin Solid Films 416:129–135 CrossRef Lima RS, Karthikeyan J, Kay CM, Lindemann J, Berndt CC (2002) Microstructural characteristics of cold-sprayed nanostructured WC – Co coatings. Thin Solid Films 416:129–135 CrossRef
31.
Zurück zum Zitat Wang J, Villafuerte J (2009) Low pressure cold spraying of tungsten carbide composite coatings. Adv Mater Process 167(2):54–56 Wang J, Villafuerte J (2009) Low pressure cold spraying of tungsten carbide composite coatings. Adv Mater Process 167(2):54–56
58.
Zurück zum Zitat R. Mukerjee and C. F. J. Wu, A Modern Theory of Factorial Design. Springer Science & Business Media, 2007. R. Mukerjee and C. F. J. Wu, A Modern Theory of Factorial Design. Springer Science & Business Media, 2007.
Metadaten
Titel
Towards optimization of thickness, hardness, and porosity of low-pressure cold sprayed WC-Ni coatings
verfasst von
Wania Jibran
James Hogan
André McDonald
Publikationsdatum
06.07.2021
Verlag
Springer London
Erschienen in
The International Journal of Advanced Manufacturing Technology / Ausgabe 7-8/2021
Print ISSN: 0268-3768
Elektronische ISSN: 1433-3015
DOI
https://doi.org/10.1007/s00170-021-07500-w

Weitere Artikel der Ausgabe 7-8/2021

The International Journal of Advanced Manufacturing Technology 7-8/2021 Zur Ausgabe

Premium Partner

    Marktübersichten

    Die im Laufe eines Jahres in der „adhäsion“ veröffentlichten Marktübersichten helfen Anwendern verschiedenster Branchen, sich einen gezielten Überblick über Lieferantenangebote zu verschaffen.