Influence of Deposition Parameters on Adhesion/Cohesion of Plasma Sprayed TiO2 Coatings

Huang Chen; Soo Wohn Lee; Bo Young Hur

doi:10.4028/www.scientific.net/MSF.510-511.62

Paper Titles

Dispersion Stability of TiO₂ Powder Synthesized by Homogeneous Precipitation Process at Low Temperatures
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The Electrochemical Properties of Poly(acrylonitrile) Polymer Electrolyte for Li/S Battery
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Correlation of Superhydrophilicity and Photocatalytic Activity in the TiO₂-Based Porous Thin Films
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Photocatalytic Properties of Mesoporous TiO₂ Films Derived from Evaporation-Induced Self-Assembly Method
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Influence of Deposition Parameters on Adhesion/Cohesion of Plasma Sprayed TiO₂ Coatings
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A Comparison of Different Preparation Methods of Fe-Mo-Mg-O Catalyst for the Large-Scale Synthesis of Carbon Nanotubes
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Photocatalytic Characterization of Plasma Sprayed TiO₂ Coating in Environmental Engineering Application
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Microstructure Characterization on TiO₂ Based Anodes
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Preparation and Antibacterial Activity of Silver Ions-Substituted Hydroxyapatite/Titania
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Influence of Deposition Parameters on Adhesion/Cohesion of Plasma Sprayed TiO₂ Coatings

Abstract:

Adhesion/cohesion is one of the most important properties for coatings. It is related with their durability and functionality of coatings. In this study, a series of TiO2 coatings were prepared by atmosphere plasma spraying under different deposition parameters. Their adhesion or cohesion was evaluated as a function of coating thickness as well as deposition parameters using the scratch test. In addition, the influence of deposition parameters on coating porosity, surface roughness, and microhardness is discussed. The results indicate that the deposition parameters investigated have a remarkable influence on coating porosity and microhardness as well as adhesion or cohesion, but no obvious influence was observed for surface roughness.