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Glass composition dependence of metal corrosion by molten glass


The knowledge of the corrosion behavior of metals in molten glass is an important challenge for the glass industry. If the corrosion reactions can be predicted from both immersed material and glass composition, this would be a great advance in this field. A series of four metals have been immersed in six different glasses. The results reported herein point out the effect of the addition of an oxidant to the glass and of the glass basicity upon metal corrosion. The morphology of the metal/glass interface depends on immersion duration, immersion temperature, the metal and the glass composition. The corrosion rates depend on the redox reactions involved in the metal corrosion by molten glass. The first results trying to correlate the corrosion rates and glass basicity are not self-consistent. The metal corrosion by molten glass can be used to deposit complex layers at the metal surface or to partially oxidize the metal.
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hal-04033802 , version 1 (17-03-2023)


  • HAL Id : hal-04033802 , version 1


Renaud Podor, Nicolas David, Christophe Rapin, Patrice Berthod, Pierre Steinmetz. Glass composition dependence of metal corrosion by molten glass. 7th International Conference “Advances in Fusion and Processing of Glass, Jun 2003, Rochester, United States. ⟨hal-04033802⟩
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