Bacon and Osetsky present an atomistic model of
dislocation-particle interactions in metal systems, including
irradiated materials. This work is important in simulating actual
behavior, removing earlier reliance on assumed mechanisms for
dislocation motion. New mechanisms for dislocation generation under
shock loading are presented by Meyers et al. These models provide a
basis for understanding the constitutive behavior of shocked
material. Saada and Dirras provide a new perspective on the
Hall-Petch relation, with particular emphasis on nanocrystals. Of
particular significance, deviations from the traditional stress
proportional to the square-root of grain size relation are
explained. Robertson et al consider a number of effects of hydrogen
on plastic flow and provide a model that provides an explanation of
the broad range of properties. .
Flow stress of metal systems with particle hardening, including
radiation effects
New model for dislocation kinetics under shock loading
Explanation of effects of nanoscale grain size on strength
Mechanism of hydrogen embrittlement in metal alloys
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