Thin Fe and Al foils were ramp-compressed over several to tens of ns timescales to study the
time-dependence associated with the onset of plastic flow. Peak stress states of 15–200 …

Recent experiments at strain rates reaching 0.1 GHz suggest a power-law dependence of
solid-phase shear stress on strain rate. Novel nonequilibrium molecular dynamics …

A basic tenet of material science is that the flow stress of a metal increases as its grain size
decreases, an effect described by the Hall-Petch relation. This relation is used extensively in …

Arguments are presented which conclude that the mean density of mobile dislocations in a
crystalline solid increases linearly with plastic strain for small strains and decays …

Pressure-shear plate impact experiments are used to investigate the viscoplastic response
of metals at shear strain rates ranging from 10 5 s− 1 to 10 7 s− 1. Flat specimens with …

A technique is developed for measuring the flow stress of metals over a broad range of
strains, strain rates, and temperatures, in uniaxial compression. It utilizes a recent, enhanced …

The slow plastic flow properties of a series of B2 crystal structure FeAl materials ranging in
aluminum content from 41.7 to 48.7 at.% have been determined. All intermetallics were …

An embedded atom (EAM) potential was employed to examine the lattice resistance to
dislocation motion in pure aluminum under pressure. The sign and the magnitude of the …

The classical theory of plastic flow of metals assumes that any pressure dependence of
yielding is associated with irreversible dilatation through the normality flow rule …

The effect of temperature on the dynamic flow behavior of aluminum is considered in the
context of precursor wave decay measurements and simulations. In this regard, a dislocation …