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3. Mechanisms of water damage to glass
The main mechanisms involved in water damage to glass are interdiffusion, hydrolysis of the glass network and the formation of a weathering layer.
Depending on the conditions of alteration, some of these mechanisms may or may not be favored over others.
Figure
1
shows the processes controlling weathering kinetics; these occur in series or in parallel and are closely coupled. The blue blocks represent the processes governing the selective release of ions, while the yellow blocks represent the glass matrix alteration mechanisms
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Mechanisms of water damage to glass
Glass weathering kinetics
Bibliography
Software tools
Software CHESS and HYTEC (geochemical code – transport), developed by the Ecole des Mines de Paris, J. van der Lee, L. De Windt, V. Lagneau, P. Goblet, Comput. Geosci. 29 (2003), pp. 265-275. https://chess.geosciences.mines-paristech.fr/
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- Methodology for the determination of the leaching behaviour of waste under specified conditions - AFNOR X30-407 – ENV 12920 - 10-06
- Technologie du cycle du combustible nucléaire déchets-test de durabilité chimique en mode Soxhlet. Application aux matériaux issus des procédés de vitrification - AFNOR NF M 60-313 [NF M 60-313] - 12-06
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Joint vitrification laboratory, waste treatment and conditioning research department, CEA Marcoule, Bagnols-sur-Cèze, France
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