In this work innovative antiscratch sol–gel coating films deposited on a soda–lime glass substrate are examined. Sol–gel coatings of different composition (TiO2, TiO2/B2O3, ZrO2 and ZrO2/B2O3) were prepared starting from Titanium, Zirconium and Boron alkoxides and from boron oxide. Coatings were obtained at room temperature and at atmospheric pressure by dip-coating using common soda lime silicate glass slides as substrates. Densification was carried out at 550 °C for 2 h in air. The morphology of the coatings has been studied by Atomic Force Microscopy, Scanning Electron Microscopy, and with a profilometer. Roughness grows with thickness and with boron addition. The mechanical properties of the films were evaluated by micro scratch at fixed and variable load. The scratch hardness numbers of ZrO2 and ZrO2/B2O3 coatings reach 6GPa(glassvalue = 1.9GPa),whereasthebestvalueforthecriticalloadis16.7N(glassvalue = 9N).

Titanium and zirconium hard coatings on glass substrates prepared by the sol–gel method / P., Zurlini; A., Lorenzi; I., Alfieri; G., Gnappi; A., Montenero; N., Senin; R., Groppetti; Fabbri, Paola. - In: THIN SOLID FILMS. - ISSN 0040-6090. - ELETTRONICO. - 517:20(2009), pp. 5881-5887. [10.1016/j.tsf.2009.03.211]

Titanium and zirconium hard coatings on glass substrates prepared by the sol–gel method

FABBRI, Paola
2009

Abstract

In this work innovative antiscratch sol–gel coating films deposited on a soda–lime glass substrate are examined. Sol–gel coatings of different composition (TiO2, TiO2/B2O3, ZrO2 and ZrO2/B2O3) were prepared starting from Titanium, Zirconium and Boron alkoxides and from boron oxide. Coatings were obtained at room temperature and at atmospheric pressure by dip-coating using common soda lime silicate glass slides as substrates. Densification was carried out at 550 °C for 2 h in air. The morphology of the coatings has been studied by Atomic Force Microscopy, Scanning Electron Microscopy, and with a profilometer. Roughness grows with thickness and with boron addition. The mechanical properties of the films were evaluated by micro scratch at fixed and variable load. The scratch hardness numbers of ZrO2 and ZrO2/B2O3 coatings reach 6GPa(glassvalue = 1.9GPa),whereasthebestvalueforthecriticalloadis16.7N(glassvalue = 9N).
2009
517
20
5881
5887
Titanium and zirconium hard coatings on glass substrates prepared by the sol–gel method / P., Zurlini; A., Lorenzi; I., Alfieri; G., Gnappi; A., Montenero; N., Senin; R., Groppetti; Fabbri, Paola. - In: THIN SOLID FILMS. - ISSN 0040-6090. - ELETTRONICO. - 517:20(2009), pp. 5881-5887. [10.1016/j.tsf.2009.03.211]
P., Zurlini; A., Lorenzi; I., Alfieri; G., Gnappi; A., Montenero; N., Senin; R., Groppetti; Fabbri, Paola
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/622680
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