Dislocation cross-slip in fcc solid solution alloys
WG Nöhring, WA Curtin - Acta Materialia, 2017 - Elsevier
Cross-slip is a fundamental process of screw dislocation motion and plays an important role
in the evolution of work hardening and dislocation structuring in metals. Cross-slip has been …
in the evolution of work hardening and dislocation structuring in metals. Cross-slip has been …
Taming intermittent plasticity at small scales
The extreme miniaturization in modern technology calls for deeper insights into the non-
conventional, fluctuation dominated mechanics of materials operating at microscale. For …
conventional, fluctuation dominated mechanics of materials operating at microscale. For …
Shear stress-and line length-dependent screw dislocation cross-slip in FCC Ni
Screw dislocation cross-slip is important in dynamic recovery of deformed metals. A mobile
screw dislocation segment can cross slip to annihilate an immobile screw dislocation …
screw dislocation segment can cross slip to annihilate an immobile screw dislocation …
Specimen size and shape dependent yield strength in micropillar compression deformation of Mo single crystals
The deformation behavior of [1¯ 25]-oriented Mo micropillars with rectangular cross-sections
having the [111] primary slip direction parallel to one of the two orthogonal side-surfaces has …
having the [111] primary slip direction parallel to one of the two orthogonal side-surfaces has …
The strength and dislocation microstructure evolution in superalloy microcrystals
In this work, the evolution of the dislocations microstructure in single crystal two-phase
superalloy microcrystals under monotonic loading has been studied using the three …
superalloy microcrystals under monotonic loading has been studied using the three …
Deformation of magnesium during c-axis compression at low temperatures
K Srivastava, JA El-Awady - Acta Materialia, 2017 - Elsevier
In this study, large scale atomistically informed three-dimensional (3D) discrete dislocation
dynamics (DDD) simulations were conducted to investigate the mechanical response of …
dynamics (DDD) simulations were conducted to investigate the mechanical response of …
Discrete dislocation simulations of compression of tapered micropillars
B Kondori, A Needleman, AA Benzerga - … of the Mechanics and Physics of …, 2017 - Elsevier
The effect of taper on the plastic response of micropillars with a relatively high density of
dislocation sources (1.5× 10 14 m− 2) is analyzed. The large number of dislocation sources …
dislocation sources (1.5× 10 14 m− 2) is analyzed. The large number of dislocation sources …
Kinetics of dislocation cross-slip: A molecular dynamics study
The kinetics of cross-slip and annihilation of a screw dislocation dipole in face-centered
cubic (FCC) copper crystals were studied by multiple molecular-dynamics simulations of …
cubic (FCC) copper crystals were studied by multiple molecular-dynamics simulations of …
Modeling high temperature anneal hardening in Au submicron pillar by developing coupled dislocation glide-climb model
Recent experimental studies have shown that metals at submicron scale may harden rather
than soften after high temperature annealing, which is contrast to the typical behavior at …
than soften after high temperature annealing, which is contrast to the typical behavior at …
Size and strain rate effects in metallic samples of confined volumes: Dislocation length distribution
GZ Voyiadjis, M Yaghoobi - Scripta Materialia, 2017 - Elsevier
In metallic samples of confined volumes, the size effects are governed by the characteristics
of the dislocation network. However, there are only few studies that quantitatively tried to …
of the dislocation network. However, there are only few studies that quantitatively tried to …