Nanolayered CrAlTiN and multilayered CrAlTiN-AlTiN coatings for solid particle erosion protection

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DOIResolve DOI: http://doi.org/10.1016/j.triboint.2014.11.002
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TypeArticle
Journal titleTribology International
ISSN0301-679X
Volume83
Pages1220; # of pages: 9
SubjectErosion; Cathodic arc; Different thickness; Effective approaches; Erosion resistance; Multi-layered coatings; Nano layers; Nanolayered coatings; Solid particle erosion; Hard coatings
AbstractApplying hard coatings on airfoil surfaces is proven to be an effective approach to mitigating erosion damage to engine components. Nanolayered or multilayered coatings, because of their capability of tailoring hardness and toughness through modifications in the chemistry and architecture of layer constituents, have been explored as potential candidates for this specific application. In this study, nanolayered CrAlTiN (CrN/AlTiN) coatings with different modulation periods, along with multilayered CrAlTiN-AlTiN coatings having different number of layers and different thickness of individual layers, were fabricated, characterized and evaluated. All the coatings significantly outperformed the CrN baseline in erosion resistance, and their performance was strongly affected by the bilayer period of the nanolayered coatings or the layer architectural characteristics of multilayered coatings.
Publication date
PublisherElsevier
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Aerospace
Peer reviewedYes
NPARC number21275826
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Record identifier72786878-6eb2-4706-8043-3a819c310585
Record created2015-07-14
Record modified2016-05-09
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