Abstract
It is well known that heavy ion implantation causes modifications of the surface mechanical characteristics of glasses. At first a compaction is induced with increasing ion fluence, then a relief is observed after a maximum tension stress. In this paper we report the results of a study on the mechanical resistance of Ar implanted soda-lime glasses. Vickers microindentation tests have been performed by measuring both the percentage of cracks, which develop after application of a loaded square pyramidal indenter on the glass, with respect to the number of tests and the length of cracks. In order to clarify the mechanisms responsible for the ion induced mechanical modifications, the influence of the implantation parameters and the thermal stability of the modified surface layers have been investigated.
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