MIKROSTRUCTURAL CHANGES OF AIR PLASMA SPRAYED CoNiCrAlY COATING AFTER REMELTING

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F12%3APU98567" target="_blank" >RIV/00216305:26210/12:PU98567 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
MIKROSTRUCTURAL CHANGES OF AIR PLASMA SPRAYED CoNiCrAlY COATING AFTER REMELTING
Original language description
The samples in present study were prepared by air plasma spraying (APS) of CoNiCrAlY coatings onto the nickel-based superalloy INCONEL 713LC substrate surface. Immediately, after the spraying was onto the CoNiCrAlY coatings outer surface pressed an highpurity aluminium sheet by means of uniaxial cold pressing techniue. After that the samples were annealed at the temperature of 650 C for different dwell-time in argon-flow atmosphere. The modified CoNiCrAlY coatings enriched by aluminium were produced. Moreover the voids, imperfectly melted powder particles, and oxide scale present in original plasma sprayed coating microstructure were eliminated. The scanning electron microscope (SEM) was used to record the modified coatings microstructure. Changes inchemical composition were studied by means of energy dispersive microanalysis (EDX).
Czech name
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Czech description
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Project
<a href="/en/project/GAP107%2F11%2F2065" target="_blank" >GAP107/11/2065: Protective diffusion coating on cast nickel-based superalloys for high temperature application</a><br>
Continuities
S - Specificky vyzkum na vysokych skolach

Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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