Characterisation of thin SiOx-layers on float glass deposited by Combustion Chemical Vapour Deposition (C-CVD)

Float glass is not an inert material with non-improvable chemical durability as often perceived. Its corrosion starts whenever it becomes exposed to humidity. This process begins already immediately after production. In this paper we will demonstrate that the initial stage of float glass corrosion –...

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Bibliographic Details
Published in:Surface & coatings technology 2013-10, Vol.232, p.582-586
Main Authors: Rüffer, Paul, Heft, Andreas, Linke, Ralf, Struppert, Thomas, Grünler, Bernd
Format: Article
Language:English
Subjects:
Applied sciences
C-CVD
Chemical vapor deposition
Coatings
Combustion
Corrosion
Corrosion environments
Cross-disciplinary physics: materials science
rheology
Deposition
Exact sciences and technology
Float glass
Floats
Glass
Leaching-test
Materials science
Metals. Metallurgy
Physics
Silicon dioxide
SiOx-layer
Surface passivation
Surface treatments
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Summary:Float glass is not an inert material with non-improvable chemical durability as often perceived. Its corrosion starts whenever it becomes exposed to humidity. This process begins already immediately after production. In this paper we will demonstrate that the initial stage of float glass corrosion – ion diffusion (especially Na+) to the glass surface – can be inhibited by depositing silicon oxide layers (SiOx) of approximately 50nm thickness on the float glass surface using an atmospheric pressure coating method: Combustion Chemical Vapour Deposition (C-CVD). •The leaching behaviour of uncoated float glass was examined.•SiOx-layers were deposited under different conditions on float glass by C-CVD.•In parts these layers act as a highly effective barrier against Na+-diffusion.•Proof of SiOx layers on the float glass surface is given.•They do not affect industrial quality requirements.
ISSN:0257-8972
1879-3347
DOI:10.1016/j.surfcoat.2013.06.031