Deformation twins in nanocrystalline body-centered cubic Mo as predicted by molecular dynamics simulations
This work studies deformation twins in nanocrystalline body-centered cubic Mo, including
the nucleation and growth mechanisms as well as their effects on ductility, through …
the nucleation and growth mechanisms as well as their effects on ductility, through …
Deformation-twin-induced grain boundary failure
This work presents a mechanism of deformation-twin-induced grain boundary failure, and
demonstrates the mechanism using molecular dynamics simulations. Deformation twinning …
demonstrates the mechanism using molecular dynamics simulations. Deformation twinning …
Atomistic simulation study of deformation twinning of nanocrystalline body-centered cubic Mo
X Tian, D Li, Y Yu, ZJ You, T Li, L Ge - Materials Science and Engineering …, 2017 - Elsevier
Deformation twinning of nanocrystalline body-centered cubic Mo was studied using
molecular dynamics simulations, and the effects of grain sizes and temperatures on the …
molecular dynamics simulations, and the effects of grain sizes and temperatures on the …
Predictions of an alternative pathway for grain-boundary driven twinning
A Hunter, IJ Beyerlein - Applied Physics Letters, 2014 - pubs.aip.org
The exceptional strength of nanoscale metallic grains is due to strain-accommodation
mechanisms that are uncommon in their coarse-grained counterparts, such as deformation …
mechanisms that are uncommon in their coarse-grained counterparts, such as deformation …
Formation of single and multiple deformation twins in nanocrystalline fcc metals
Deformation twins are often observed to meet each other to form multi-fold twins in
nanostructured face-centered cubic (fcc) metals. Here we propose two types of mechanism …
nanostructured face-centered cubic (fcc) metals. Here we propose two types of mechanism …
Deformation twinning in nanocrystalline materials
Nanocrystalline (nc) materials can be defined as solids with grain sizes in the range of 1–
100 nm. Contrary to coarse-grained metals, which become more difficult to twin with …
100 nm. Contrary to coarse-grained metals, which become more difficult to twin with …
Formation mechanism of fivefold deformation twins in nanocrystalline face-centered-cubic metals
Fivefold deformation twins have been recently observed in nanocrystalline face-centered-
cubic (fcc) metals and alloys synthesized by severe plastic deformation techniques …
cubic (fcc) metals and alloys synthesized by severe plastic deformation techniques …
Atomic-scale observation of nucleation-and growth-controlled deformation twinning in body-centered cubic nanocrystals
Twinning is an essential mode of plastic deformation for achieving superior strength and
ductility in metallic nanostructures. It has been generally believed that twinning-induced …
ductility in metallic nanostructures. It has been generally believed that twinning-induced …
Columnar grain-driven plasticity and cracking in nanotwinned FCC metals
The mechanisms of strengthening and plasticity in columnar-grained metals with
preferentially oriented nano-sized twins have been examined traditionally by considering …
preferentially oriented nano-sized twins have been examined traditionally by considering …
Effect of grain size on the competition between twinning and detwinning in nanocrystalline metals
Both twinning and detwinning have been reported to occur during the deformation of
nanocrystalline (nc) face-centered-cubic metals. This raises the issue of how these two …
nanocrystalline (nc) face-centered-cubic metals. This raises the issue of how these two …