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Techniques exist and were described to reliably measure mechanical properties of glasses, including determination of surface effects. A data base has been accumulated in the past, in particular for "waste glasses" to solidify liquid radioactive waste. The properties measured were Youngs and shear moduli, Poisson's ratio, fracture toughness and hardness. The main parameters, besides glass composition, were temperature, type of atmosphere for fracture tests (effect of humidity), leaching treatments before the measurements and exposure to different external and internal radiation. Typical results were presented to illustrate the effect of these parameters.

Additional information

Authors: MATZKE H, EC-JRC, Institute for Transuranium Elements (ITU), Karlsruhe (DE)
Bibliographic Reference: An oral report given at: International Conference on Glass Surfaces. Held in: Venice (IT), 6-9 November (2000)
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