Surface free energy and its effect on the elastic behavior of nano-sized particles, wires and films

R Dingreville, J Qu, M Cherkaoui - Journal of the Mechanics and Physics of …, 2005 - Elsevier
Atoms at a free surface experience a different local environment than do atoms in the bulk of
a material. As a result, the energy associated with these atoms will, in general, be different …

[ΒΙΒΛΙΟ][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 …

Modeling grain size dependent optimal twin spacing for achieving ultimate high strength and related high ductility in nanotwinned metals

L Zhu, H Ruan, X Li, M Dao, H Gao, J Lu - Acta Materialia, 2011 - Elsevier
We have developed a mechanism-based plasticity model of nanotwinned metals to
investigate the effect of twin spacing on strength, ductility and work hardening rate of such …

Impact of the grain size distribution on the yield stress of heterogeneous materials

S Berbenni, V Favier, M Berveiller - International Journal of Plasticity, 2007 - Elsevier
When the mean grain size is larger than∼ 100nm, it is well accepted for different
heterogeneous materials that the macroscopic yield stress follows the so-called Hall–Petch …

A deformation mechanism based crystal plasticity model of ultrafine-grained/nanocrystalline FCC polycrystals

AS Khan, J Liu - International Journal of Plasticity, 2016 - Elsevier
A new crystal plasticity model based on the deformation mechanism for ultrafine-grained/
nanocrystalline face-centered cubic (FCC) metals was developed. The deformation …

Modelling the plastic deformation of nanostructured metals with bimodal grain size distribution

L Zhu, J Lu - International Journal of Plasticity, 2012 - Elsevier
Rendering a bimodal grain size distribution in nanostructured materials has been proved to
effectively achieve both higher strength and higher ductility, which is based on the ansatz …

Effects of temperature and strain rate on plastic deformation mechanisms of nanocrystalline high-entropy alloys

L Li, H Chen, Q Fang, J Li, F Liu, Y Liu, PK Liaw - Intermetallics, 2020 - Elsevier
The nanocrystalline high-entropy alloys (HEAs) can be regarded as ideal substitution
materials for use in aero engines due to their outstanding mechanical properties. Owing to …

Non-equilibrium grain boundary structure and inelastic deformation using atomistic simulations

GJ Tucker, DL McDowell - International Journal of Plasticity, 2011 - Elsevier
Grain boundary influence on material properties becomes increasingly significant as grain
size is reduced to the nanoscale. Nanostructured materials produced by severe plastic …

[HTML][HTML] Size dependent strengthening mechanisms in carbon nanotube reinforced metal matrix composites

S Dong, J Zhou, D Hui, Y Wang, S Zhang - Composites Part A: Applied …, 2015 - Elsevier
The matrix grain size plays a dual role in metal matrix composites (MMCs). Contrary to
enhance the strength of matrix, grain refinement can weaken the thermal expansion …

Nanocrystalline aluminum and iron: Mechanical behavior at quasi-static and high strain rates, and constitutive modeling

AS Khan, YS Suh, X Chen, L Takacs… - International Journal of …, 2006 - Elsevier
The responses of nanocrystalline aluminum powder of different grain sizes, prepared by ball
milling and consolidated into bulk specimens by hot pressing, were determined under quasi …