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Depth Sensing Indentation of Oxidized Plasma Sprayed CoNiCrAlY Coatings

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Author(s): Marco Alfano | Giovanni di Girolamo | Leonardo Pagnotta | Jurgita Zekonyte | Robert J. K. Wood

Journal: Soft Nanoscience Letters
ISSN 2160-0600

Volume: 01;
Issue: 02;
Start page: 51;
Date: 2011;
Original page

Keywords: Air Plasma Spraying | Nanoindentation | Bond Coat

ABSTRACT
The aim of the present work is to analyze the evolution of microstructural and mechanical properties of Air Plasma Sprayed (APS) CoNiCrAlY coatings after early stage high-temperature oxidation. Phase analysis and oxide scale characterization were performed by using X-Ray Diffraction (XRD). The microstructural features of CoNiCrAlY coat- ings were analyzed by Scanning Electron Microscopy (SEM), while Nanoindentation (NI) technique was employed to study the evolution of the mechanical properties.
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