Review on superior strength and enhanced ductility of metallic nanomaterials
Nanostructured metallic materials having nanocrystalline and ultrafine-grained structures
show exceptional mechanical properties, eg superior strength, that are very attractive for …
show exceptional mechanical properties, eg superior strength, that are very attractive for …
Nanomechanics of Hall–Petch relationship in nanocrystalline materials
CS Pande, KP Cooper - Progress in Materials Science, 2009 - Elsevier
Classical Hall–Petch relation for large grained polycrystals is usually derived using the
model of dislocation pile-up first investigated mathematically by Nabarro and coworkers. In …
model of dislocation pile-up first investigated mathematically by Nabarro and coworkers. In …
Direct observation of deformation-induced grain growth during the nanoindentation of ultrafine-grained Al at room temperature
In situ nanoindentation within a transmission electron microscope is used to investigate the
deformation mechanisms in ultrafine-grained Al films. Deformation-induced grain growth …
deformation mechanisms in ultrafine-grained Al films. Deformation-induced grain growth …
Crossover from grain boundary sliding to rotational deformation in nanocrystalline materials
MY Gutkin, IA Ovid'Ko, NV Skiba - Acta Materialia, 2003 - Elsevier
A theoretical model is suggested which describes cooperative action of grain boundary (GB)
sliding and rotational deformation in mechanically loaded nanocrystalline materials …
sliding and rotational deformation in mechanically loaded nanocrystalline materials …
[图书][B] Plastic deformation in nanocrystalline materials
It seems there is no special need to comment on the term'nanostructure'now, when one often
meets the'nano'words not only in scientific journals but even in newspapers. Moreover …
meets the'nano'words not only in scientific journals but even in newspapers. Moreover …
Triple junction nanocracks in deformed nanocrystalline materials
IA Ovid'Ko, AG Sheinerman - Acta Materialia, 2004 - Elsevier
A theoretical model is suggested which describes the generation and evolution of nanoscale
cracks (nanocracks) at triple junctions of grain boundaries in deformed nanocrystalline …
cracks (nanocracks) at triple junctions of grain boundaries in deformed nanocrystalline …
Deformation and diffusion modes in nanocrystalline materials
IA Ovid'Ko - International materials reviews, 2005 - journals.sagepub.com
An overview of theoretical models of plastic deformation and diffusion processes in
nanocrystalline (nano–grained) materials is presented. The key experimentally detected …
nanocrystalline (nano–grained) materials is presented. The key experimentally detected …
Transformations of grain boundaries in deformed nanocrystalline materials
SV Bobylev, MY Gutkin, IA Ovid'Ko - Acta Materialia, 2004 - Elsevier
Theoretical models are suggested which describe transformations of grain boundaries in
nanocrystalline materials under plastic deformation. We consider such transformations as …
nanocrystalline materials under plastic deformation. We consider such transformations as …
Special rotational deformation and grain size effect on fracture toughness of nanocrystalline materials
H Feng, QH Fang, LC Zhang, YW Liu - International Journal of Plasticity, 2013 - Elsevier
A grain size-dependent model is theoretically suggested to describe the combined effects of
special rotational deformation and dislocations near a mode I crack tip on the fracture …
special rotational deformation and dislocations near a mode I crack tip on the fracture …
Special rotational deformation as a toughening mechanism in nanocrystalline solids
NF Morozov, IA Ovid'Ko, AG Sheinerman… - Journal of the Mechanics …, 2010 - Elsevier
A theoretical model is suggested which describes the effect of special rotational deformation
on crack growth in deformed nanocrystalline ceramics and metals. Within the model, the …
on crack growth in deformed nanocrystalline ceramics and metals. Within the model, the …