Nonlocal Gradient Plasticity Theory for Predicting Size Effects in Metallic Micro/Nano Pillars

R Abu Al-Rub, M Ettehad, A Al-Rub - 52nd AIAA/ASME/ASCE/AHS/ASC …, 2011 - arc.aiaa.org
There are numerous experimental results that indicate a size-dependent mechanical
behavior of materials at the micron or submicron scales, in the sense that “smaller is …

Interfacial Plasticity Governs Strength Size-Scale Effects in Micro/Nanostructured Metals

R Abu Al-Rub - 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural …, 2009 - arc.aiaa.org
The emerging areas of micro-and nano-technologies exhibit important strength differences
that result from continuous modification of the material microstructural characteristics with …

Surface/Interfacial Effects on Size Dependent Strength of Micro/Nano Systems

R Abu Al-Rub - 49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural …, 2008 - arc.aiaa.org
The emerging areas of micro-and nano-technologies exhibit important strength differences
that result from continuous modification of the material microstructural characteristics with …

Modeling the Size and Interface Effects in Thin Metal Film-Substrate Systems Using the Strain Gradient Plasticity

RK Abu Al-Rub, GZ Voyiadjis - ASME …, 2007 - asmedigitalcollection.asme.org
It is well-known by now through intensive experimental studies that have been performed at
the micron and nano length scales that the material mechanical properties strongly depend …

Interfacial effects on size-dependent strength of nanostructured materials and systems

R Abu Al-Rub - 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural …, 2007 - arc.aiaa.org
The emerging areas of micro-and nano-technologies exhibit important strength differences
that result from continuous modification of the material microstructural characteristics with …

Continuum-based modeling of size effects in micro-and nanostructured materials

RA Al-Rub - Handbook of Micromechanics and …, 2013 - api.taylorfrancis.com
This chapter outlines a novel continuum-based framework for modeling size effect (“smaller
is stronger”) in micro and nanostructured materials and structural systems. This framework is …

Interfacial gradient plasticity governs scale-dependent yield strength and strain hardening rates in micro/nano structured metals

RKA Al-Rub - International Journal of Plasticity, 2008 - Elsevier
The effect of the material microstructural interfaces increases as the surface-to-volume ratio
increases. It is shown in this work that interfacial effects have a profound impact on the scale …

Taylor-based nonlocal theory of plasticity: numerical studies of the micro-indentation experiments and crack tip fields

Y Guo, Y Huang, H Gao, Z Zhuang… - International Journal of …, 2001 - Elsevier
Recent advances in strain gradient plasticity have provided a means to quantitatively
characterize the experimentally observed size effect at the micron and submicron scales …

Local and nonlocal strain gradient approaches for size-dependent plastic deformation

I Ünsal, E Günay, T Yalçinkaya - avesis.metu.edu.tr
Micro scale manufacturing technologies have been a productive area of research due to the
increase in miniaturization in various industries. However, most of the know-how in …

Constitutive modeling of plasticity in nanostructured materials

GZ Voyiadjis, EC Aifantis, G Weber - Trends in Nanoscale Mechanics …, 2003 - Springer
We review recent developments in micro and nano plasticity modeling. We focus on non-
local gradient type models and a hybrid approach of molecular dynamics (MD) and finite …