The mechanics and physics of high-speed dislocations: a critical review
B Gurrutxaga–Lerma, J Verschueren… - International …, 2021 - Taylor & Francis
High speed dislocations have long been identified as the dominant feature governing the
plastic response of crystalline materials subjected to high strain rates, controlling …
plastic response of crystalline materials subjected to high strain rates, controlling …
Anomalous dislocation core structure in shock compressed bcc high-entropy alloys
Recent studies of complex concentrated alloys suggest unusual dislocation core structure
and motion, thanks to a collective concentration/structural inhomogeneity. Less is known …
and motion, thanks to a collective concentration/structural inhomogeneity. Less is known …
How to determine limiting velocities of dislocations in anisotropic crystals
DN Blaschke - Journal of Physics: Condensed Matter, 2021 - iopscience.iop.org
In the continuum limit, the theory of dislocations in crystals predicts a divergence in the
elastic energy of the host material at a crystal geometry dependent limiting (or critical) …
elastic energy of the host material at a crystal geometry dependent limiting (or critical) …
Formation of prismatic loops in AlN and GaN under nanoindentation
The formation of prismatic loops in metals has been studied extensively, but the
corresponding research related to ceramics can rarely be found in the literature. In this …
corresponding research related to ceramics can rarely be found in the literature. In this …
Influence of kinetic effect on interaction between edge dislocation and irradiated dislocation loops in BCC Tantalum
Q Bao, Z Li, B Zhu, S Liang, J Zhu, M Huang… - International Journal of …, 2023 - Elsevier
In this paper, the interaction between an edge dislocation and irradiation< 100> sessile self-
interstitial atom (SIA) type dislocation loops (DLs) is studied by atomistic simulations in BCC …
interstitial atom (SIA) type dislocation loops (DLs) is studied by atomistic simulations in BCC …
Orientation dependence of shock-induced change of habit plane for the 1/2< 111> dislocation loop and plasticity in tungsten
Tungsten (W) is a promising candidate material for future fusion reactors. The shock waves
generated under high-energy neutron radiation can lead to the formation of prismatic …
generated under high-energy neutron radiation can lead to the formation of prismatic …
Abnormal interactions between high-speed edge dislocation and microvoid in BCC metals
The interaction between a high speed edge dislocation and a microvoid has been
investigated by molecular dynamics (MD) simulations in BCC crystals of Ta, Fe, V and W in …
investigated by molecular dynamics (MD) simulations in BCC crystals of Ta, Fe, V and W in …
Dislocation drag from phonon wind in an isotropic crystal at large velocities
DN Blaschke, E Mottola, DL Preston - Philosophical Magazine, 2020 - Taylor & Francis
The anharmonic interaction and scattering of phonons by a moving dislocation, the photon
wind, imparts a drag force v B (v, T, ρ) on the dislocation. In early studies, the drag coefficient …
wind, imparts a drag force v B (v, T, ρ) on the dislocation. In early studies, the drag coefficient …
Dislocation kinematics: a molecular dynamics study in Cu
The kinematics and kinetics of edge and screw dislocations in FCC materials were studied
by molecular dynamics, with Cu as a case study. It was found that with increasing stress …
by molecular dynamics, with Cu as a case study. It was found that with increasing stress …
A discrete–continuous model of three-dimensional dislocation elastodynamics
Unraveling the deformation mechanism of materials under extremely high strain rate is
critical from both scientific and engineering viewpoints. The elastodynamic effect of 3D high …
critical from both scientific and engineering viewpoints. The elastodynamic effect of 3D high …