Surface Microhardness and Friction Coefficient of Epoxy Coating Modified with Metal Oxide Nanoparticles

Constantin Spanu; Viorel Panaite; Florentina Potecaşu; Petrică Alexandru; Viorica Mușat

doi:10.4028/www.scientific.net/AMR.1143.221

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1143Surface Microhardness and Friction Coefficient of...

Surface Microhardness and Friction Coefficient of Epoxy Coating Modified with Metal Oxide Nanoparticles

Abstract:

Hybrid nanocomposite epoxy-based coatings containing ZrO₂, ZnO and Fe₂O₃nanoparticles (≤50nm) were deposited on Grade A naval steel substrates by dip-coating technique. The surface morphology and the mechanical properties of coated steel samples were analyzed by optical microscopy and CETR tribometer, respectively. The mechanical measurements showed that 1wt. % doping metal oxides nanoparticles significantly affect the mechanical behavior of coatings in terms of microhardness and friction coefficient. Best results were obtained in the case of Fe₂O₃ and ZrO₂ doping, for which were obtained microhardness in the range of 90-120MPa and 142 MPa, respectively. Regarding the friction coefficient, values in the range of 0.02-0.08 were obtained

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Periodical:

Advanced Materials Research (Volume 1143)

Pages:

221-226

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1143.221

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Online since:

February 2017

Authors:

Constantin Spanu, Viorel Panaite*, Florentina Potecaşu, Petrică Alexandru, Viorica Mușat

Keywords:

Anti-Scratching Behavior, Epoxy Matrix, Fe₂O₃ Nanoparticles, Friction Coefficient, Microhardness, ZnO Nanoparticles, Zro₂

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