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Process temperature/velocity-hardness-wear relationships for high-velocity oxyfuel sprayed nanostructured and conventional cermet coatings

Par Conseil national de recherches du Canada

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DOITrouver le DOI : https://doi.org/10.1361/10599630522729
AuteurRechercher : 1; Rechercher : 1
Affiliation
  1. Conseil national de recherches du Canada. Institut des matériaux industriels du CNRC
FormatTexte, Article
ISSN1544-1016
1059-9630
Sujethigh-velocity oxyfuel; nanostructured; processproperty-performance relationships; WC-12Co
Résumé
High-velocity oxyfuel (HVOF) spraying of WC-12Co was performed using a feedstock in which the WC phase was either principally in the micron size range (conventional) or was engineered to contain a significant fraction of nanosized grains (multimodal). Three different HVOF systems and a wide range of spray parameter settings were used to study the effect of in-flight particle characteristics on coating properties. A process window with respect to particle temperature was identified for producing coatings with the highest resistance to dry abrasion. Although the use of a feedstock containing a nanosized WC phase produced harder coatings, there was little difference in the abrasion resistance of the best-performing conventional and multimodal coatings. However, there is a potential benefit in using the multimodal feedstock due to higher deposition efficiencies and a larger processing window.
Date de publication
Dans
  • Journal of Thermal Spray Technology 14, nº 1 (1 mars 2005) : 67–76.
Langueanglais
Publications évaluées par des pairsOui
Numéro du CNRCNRCC 46820
Numéro NPARC15936190
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Identificateur de l’enregistrement71ec20f8-45eb-4698-929f-eb8e3d1878da
Enregistrement créé2010-08-17
Enregistrement modifié2020-04-07
Date de modification :