, La 1ère Ecole d’Automne sur les Matériaux Emergents(EAME)

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Optical characterisation of SiO2-ZrO2 hybrid coatings, deposited on soda lime glass substrate through sol gel rout using nanoparticles of silica and zirconia
Abdelwahhab Ayadi

Dernière modification: 2017-11-24


The external face of glass plays a key role in vision; it provides information on the environment, the visibility of objects through the glass depends essentially on the quality of the surface condition of the external face [1]. In Sahara, North Africa, the external face is exposed to aggressive condition. Lead to a decrease of optical property of solar panels, solar mirrors, or every type of glazings [2].

The protection of glass surface is possible, by deposition of coating; sol gel coating can increase the strength of glass, by the filling of micro flaw, and increase of its KIC [3], The strength of soda lime glass could be increased with SiO2, ZrO2, SiO2-ZrO2, AL2O3 The coating leads to a remarkable increase in strength which can be attributed to a clamping of the defects. [4, 5, 6]

In the present work, different SiO2-ZrO2 coating were deposited on soda lime glass substrate, through sol gel rout, using Methyltriethoxysilane (MTES) and Tetraethylorthosilicate (TEOS) with a SiO2, and ZrO2 colloidal suspensions, the deposition of coating lead to important increase in optical transmission from 91.5% to nearly of 94.8%, the refraction index rises with increasing of ZrO2 proportion and the layers thicknesses, and decreasing in the roughness


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Windscreen and safety, munash university accident research centre, Victoria, Australia

[2] Abdelhak Marouani, Nourredine Bouaouadja, Yolanda Castro, Alicia Duran, (2014) Repair and Restoration of the Optical Properties of Sandblasted Glasses By Silica-Based Sol-Gel Coatings, International Journal of Applied Glass Science, DOI:10.1111/ijag.12088, 1-9

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[5] ZHANG He, ZHOU Jue-Hui, ZHANG Qi-Long, YANG Hui,(2013) mechanical and optical properties of ion-exchange strengthened glass coated With sol-gel derived SiO2-ZrO2 film, Journal of Inorganic Materials 28, 785-789

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