Browsing by Author "Varillas Delgado, Javier"
A molecular dynamics study of nanocontact plasticity and dislocation avalanches in FCC and BCC crystals Varillas Delgado, Javier (Universitat Politècnica de Catalunya, 2019-06-17)
Open AccessThis study aims to investigate the underlying mechanisms which govern the development of dense defect networks in nanoscale crystal plasticity, either under contact and uniaxial loading conditions, with emphasis on the ...
Statistics of dislocation avalanches in FCC and BCC metals: dislocation mechanisms and mean swept distances across microsample sizes and temperatures Alcalá Cabrelles, Jorge; Ocenásek, Jan; Varillas Delgado, Javier; El-Awady, Jaafar A.; Wheeler, Jeffrey; Michler, Johann (Nature, 2020-12-01)
Open AccessPlastic deformation in crystalline materials consists of an ensemble of collective dislocation glide processes, which lead to strain burst emissions in micro-scale samples. To unravel the combined role of crystalline ...
Varillas Delgado, Javier (Universitat Politècnica de Catalunya, 2014-06)
Restricted access - author's decisionThis investigation is held within the GRICCA research group from the UPC (Grup de Reserca e Investigació per la Colaboració Científica Aplicada). The physical location of the computational cluster employed in the project ...
Understanding imprint formation, plastic instabilities and hardness evolutions in FCC, BCC and HCP metal surfaces Varillas Delgado, Javier; Ocenásek, Jan; Torner Ribé, Jordi; Alcalá Cabrelles, Jorge (2021-09)
Open AccessNanoindentation experiments in metal surfaces are characterized by the onset of plastic instabilities along with the development of permanent nanoimprints and dense defect networks. This investigation concerns massive ...
Unraveling deformation mechanisms around FCC and BCC nanocontacts through slip trace and pileup topography analyses Varillas Delgado, Javier; Ocenásek, Jan; Torner Ribé, Jordi; Alcalá Cabrelles, Jorge (2017-02-15)
Open AccessNanocontact loadings offer the potential to investigate crystal plasticity from surface slip trace emissions and distinct pileup patterns where individual atomic terraces arrange into hillocks and symmetric rosettes. Our ...