Designing Glasses to Meet Specific Mechanical Properties

Tanguy ROUXEL, LARMAUR, Université de Rennes 1, Campus de Beaulieu, 35042 Rennes cedex

Very different materials are named "Glass" which have in common the lack of long range order in the atomic organization. Glasses are brittle materials. Nevertheless, both the amount and the diversity of available glasses are quickly rising. At every stage of the life of a glass specific mechanical properties are required. These properties should allow the elaboration and the shaping stages with industrial means and warrant a good durability in service. Beside the essential role of elastic properties for materials selection in mechanical design, we show in this analysis that macroscopical elastic characteristics provide an interesting way to get insight into the short- and medium-range orders existing in glasses.

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