Abstract:(English) The mechanical properties of structural materials, which are naturally polycrystalline, is defined by a number of physical processes that take place at different time and space scales. On several of those
processes, bulk dislocations and grain boundaries (GBs) play a relevant role. The plastic deformation
in these materials is mainly due to the mobility of dislocations, therefore the interaction of these defects
with other pre-existing defects like GBs is a key factor to explain the… Show more
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