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 …

Application of disclination concept to solid structures

AE Romanov, AL Kolesnikova - Progress in materials science, 2009 - Elsevier
Disclinations together with dislocations represent a class of linear defects in solids.
Disclinations are characterized by typical singularities and the property of multi-value of the …

A perspective on trends in multiscale plasticity

DL McDowell - International Journal of Plasticity, 2010 - Elsevier
Research trends in metal plasticity over the past 25years are briefly reviewed. The myriad of
length scales at which phenomena involving microstructure rearrangement during plastic …

[图书][B] Nonlinear mechanics of crystals

JD Clayton - 2010 - books.google.com
This book describes behavior of crystalline solids primarily via methods of modern
continuum mechanics. Emphasis is given to geometrically nonlinear descriptions, ie, finite …

Atomic-level observation of disclination dipoles in mechanically milled, nanocrystalline Fe

M Murayama, JM Howe, H Hidaka, S Takaki - Science, 2002 - science.org
Plastic deformation of materials occurs by the motion of defects known as dislocations and
disclinations. High-resolution transmission electron microscopy was used to directly reveal …

Viscoplasticity of heterogeneous metallic materials

DL McDowell - Materials Science and Engineering: R: Reports, 2008 - Elsevier
Viscoplastic behavior of metallic materials is manifested by collective behavior of lattice
defects at multiple length scales. The full gamut of length scales, from atomic to …

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 …

[图书][B] Plastic deformation in nanocrystalline materials

M Gutkin, I Ovid'ko - 2013 - books.google.com
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 …

Modeling dislocations and disclinations with finite micropolar elastoplasticity

JD Clayton, DL McDowell, DJ Bammann - International Journal of Plasticity, 2006 - Elsevier
Aspects of a constitutive model for characterizing crystalline metals containing a distribution
of dislocation and disclination defects are presented. Kinematics, balance laws, and general …

Disconnections in tilt walls

JP Hirth, RC Pond, J Lothe - Acta Materialia, 2006 - Elsevier
The rotation associated with a tilt wall is derived from elastic displacement fields and shown
to agree with the tilt deduced from Burgers circuits. Transmission of a dislocation through a …