Seventy years of Hall-Petch, ninety years of superplasticity and a generalized approach to the effect of grain size on flow stress

RB Figueiredo, M Kawasaki, TG Langdon - Progress in Materials Science, 2023 - Elsevier
The grain size, and therefore the grain boundary density, is known to play a major role in the
flow stress of metallic materials. A linear relationship to the inverse of the square root of the …

Review on superior strength and enhanced ductility of metallic nanomaterials

IA Ovid'Ko, RZ Valiev, YT Zhu - Progress in materials science, 2018 - Elsevier
Nanostructured metallic materials having nanocrystalline and ultrafine-grained structures
show exceptional mechanical properties, eg superior strength, that are very attractive for …

Grain-boundary kinetics: A unified approach

J Han, SL Thomas, DJ Srolovitz - Progress in Materials Science, 2018 - Elsevier
Grain boundaries (GBs) are central defects for describing polycrystalline materials, and
playing major role in a wide-range of physical properties of polycrystals. Control over GB …

Deformation twinning in nanocrystalline materials

YT Zhu, XZ Liao, XL Wu - Progress in Materials Science, 2012 - Elsevier
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 …

Ab initio modeling of dislocation core properties in metals and semiconductors

D Rodney, L Ventelon, E Clouet, L Pizzagalli… - Acta Materialia, 2017 - Elsevier
Dislocation cores, the regions in the immediate vicinity of dislocation lines, control a number
of properties such as dislocation mobility, cross-slip and short-range interactions with other …

Manipulating the interfacial structure of nanomaterials to achieve a unique combination of strength and ductility

A Khalajhedayati, Z Pan, TJ Rupert - Nature communications, 2016 - nature.com
The control of interfaces in engineered nanostructured materials has met limited success
compared with that which has evolved in natural materials, where hierarchical structures …

Toward a quantitative understanding of mechanical behavior of nanocrystalline metals

M Dao, L Lu, RJ Asaro, JTM De Hosson, E Ma - Acta Materialia, 2007 - Elsevier
Focusing on nanocrystalline (nc) pure face-centered cubic metals, where systematic
experimental data are available, this paper presents a brief overview of the recent progress …

Grain-size dependent mechanical behavior of nanocrystalline metals

EN Hahn, MA Meyers - Materials Science and Engineering: A, 2015 - Elsevier
Grain size has a profound effect on the mechanical response of metals. Molecular dynamics
continues to expand its range from a handful of atoms to grain sizes up to 50 nm, albeit …

Analytical and numerical approaches to modelling severe plastic deformation

A Vinogradov, Y Estrin - Progress in Materials Science, 2018 - Elsevier
Severe plastic deformation (SPD) has established itself as a potent means of producing bulk
ultrafine grained and nanostructured materials. It has given rise to burgeoning research that …

Functionally graded materials with grain-size gradients and heterogeneous microstructures achieved by additive manufacturing

Z Hu, Z Ma, L Yu, Y Liu - Scripta Materialia, 2023 - Elsevier
In this work, 316L/CuCrZr functionally graded materials were prepared by laser powder bed
fusion. Not only the strong bonding of 316L and CuCrZr was achieved, but more importantly …