Improvement of the Oxidation Resistance of CoNiCrAlY Bond Coats Sprayed by High Velocity Oxygen-Fuel onto Nickel Superalloy Substrate

Improvement of the Oxidation Resistance of CoNiCrAlY Bond Coats Sprayed by High Velocity Oxygen-Fuel onto Nickel Superalloy Substrate

CoNiCrAlY powders with similar granulometry and chemical composition, but different starting reactivity toward oxygen, were sprayed onto superalloy substrates by High Velocity Oxygen-Fuel producing coatings of similar thicknesses. After spraying, samples were maintained at 1,273 K in air for differe...

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Bibliographic Details
Main Authors: Alessio Fossati, Martina Di Ferdinando, Alessandro Lavacchi, Andrea Scrivani, Carlo Giolli, Ugo Bardi
Format: Article
Language:English
Published: MDPI AG 2010-11-01
Series:Coatings
Subjects:
high velocity oxyfuel (HVOF)
oxidation
superalloy
bond coat
protective coating
Online Access:http://www.mdpi.com/2079-6412/1/1/3

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