Metallic-Ceramic Combination of HVOF Deposited Layers for Corrosion Protection Applications

Metallic-Ceramic Combination of HVOF Deposited Layers for Corrosion Protection Applications

The paper presents some preliminary results regarding the combining of metallic, Cr3C2-20(Ni 20Cr) and ceramic (TiO2) HVOF deposition of layers for corrosion protection applications. The deposited layers morphology was investigated by SEM and optical microscopy. The corrosion protection efficiency o...

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Veröffentlicht in:Advanced materials research 2018-04, Vol.1146, p.158-162
Hauptverfasser: Perianu, Ion-Aurel, Orha, Corina, Ciucă, Cristian, Bîrdeanu, Mihaela, Bîrdeanu, Aurel Valentin
Format: Artikel
Sprache:eng
Schlagworte:
Chromium carbide
Corrosion
Corrosion prevention
Corrosive wear
Deposition
Flame spraying
Maintenance management
Morphology
Nickel
Optical microscopy
Titanium dioxide
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Zusammenfassung:The paper presents some preliminary results regarding the combining of metallic, Cr3C2-20(Ni 20Cr) and ceramic (TiO2) HVOF deposition of layers for corrosion protection applications. The deposited layers morphology was investigated by SEM and optical microscopy. The corrosion protection efficiency of the deposited layers was evaluated in 0.3M NaCl solution. The maximum corrosion protection efficiency was determined for the combination of layers using the carbide as the first layer although the inverse deposition order showed a small decrease. Depending on the main application (corrosion versus wear) one or the other are recommended.
ISSN:1022-6680
1662-8985
1662-8985
DOI:10.4028/www.scientific.net/AMR.1146.158