A Quasicontinuum Study of Nanovoid Collapse under Uniaxial Loading in Ta
Description:
The mechanisms underlying the deformation of nanovoids in Ta single crystals are analyzed when they are subjected to cyclic uniaxial deformation using numerical simulations. Boundary and cell-size effects have been mitigated by means of the Quasicontinuum (QC) method. We have considered {approx} 1 billion-atom systems containing 10.9 nm voids. Two kinds of simulations have been performed, each characterized by a different boundary condition. First, we compress the material along the nominal [0 …
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Date:
December 2, 2007
Creator:
Marian, J.; Knap, J. & Campbell, G.
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UNT Libraries Government Documents Department