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The adhesive behaviour of NiCrAlY coatings with Cr-O-N diffusion barriers |
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中科院金属所 |
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Cite this article:
;. The adhesive behaviour of NiCrAlY coatings with Cr-O-N diffusion barriers. Acta Metall Sin, 2008, 44(7): 876-882 .
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Abstract Cr-O-N films with different chemical composition were deposited using arc ion plating (AIP) between NiCrAlY coatings and the DSM11 substrate as diffusion barriers. The influences of the barriers and the roughness of the substrate on the adhesion of DSM11/Cr-O-N/NiCrAlY were investigated. In general, we observed that the NiCrAlY coating without diffusion barrier has the best adhesion. After including the Cr-O-N films, the adhesion decreased with the increasing oxygen flow rate and the adhesion of the wet blasting substrate is higher than the polishing substrate.
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Received: 14 September 2007
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