Structural evolutions of metallic materials processed by severe plastic deformation

Y Cao, S Ni, X Liao, M Song, Y Zhu - Materials Science and Engineering: R …, 2018 - Elsevier
Abstract Bulk nanostructured (ns)/ultrafine-grained (UFG) metallic materials possess very
high strength, making them attractive for high strength, lightweight and energy efficient …

Time-resolved transmission electron microscopy for nanoscale chemical dynamics

FM Alcorn, PK Jain, RM van der Veen - Nature Reviews Chemistry, 2023 - nature.com
The ability of transmission electron microscopy (TEM) to image a structure ranging from
millimetres to Ångströms has made it an indispensable component of the toolkit of modern …

Dislocation-induced stop-and-go kinetics of interfacial transformations

X Sun, D Wu, L Zou, SD House, X Chen, M Li… - Nature, 2022 - nature.com
Most engineering materials are based on multiphase microstructures produced either
through the control of phase equilibria or by the fabrication of different materials as in thin …

Plasticity in small-sized metallic systems: Intrinsic versus extrinsic size effect

JR Greer, JTM De Hosson - Progress in Materials Science, 2011 - Elsevier
A material strength depends on its microstructure, which in turn, is controlled by an
engineering process. Strengthening mechanisms like work hardening, precipitate, and grain …

Ultra-strength materials

T Zhu, J Li - Progress in Materials Science, 2010 - Elsevier
Recent experiments on nanostructured materials, such as nanoparticles, nanowires,
nanotubes, nanopillars, thin films, and nanocrystals have revealed a host of “ultra-strength” …

Mechanical annealing and source-limited deformation in submicrometre-diameter Ni crystals

ZW Shan, RK Mishra, SA Syed Asif, OL Warren… - Nature materials, 2008 - nature.com
The fundamental processes that govern plasticity and determine strength in crystalline
materials at small length scales have been studied for over fifty years,,. Recent studies of …

Approaching the ideal elastic limit of metallic glasses

L Tian, YQ Cheng, ZW Shan, J Li, CC Wang… - Nature …, 2012 - nature.com
The ideal elastic limit is the upper bound to the stress and elastic strain a material can
withstand. This intrinsic property has been widely studied for crystalline metals, both …

Recent advances in single-asperity nanotribology

I Szlufarska, M Chandross… - Journal of Physics D …, 2008 - iopscience.iop.org
As the size of electronic and mechanical devices shrinks to the nanometre regime,
performance begins to be dominated by surface forces. For example, friction, wear and …

Direct observation of individual dislocation interaction processes with grain boundaries

S Kondo, T Mitsuma, N Shibata, Y Ikuhara - Science advances, 2016 - science.org
In deformation processes, the presence of grain boundaries has a crucial influence on
dislocation behavior; these boundaries drastically change the mechanical properties of …

In situ nanocompression testing of irradiated copper

D Kiener, P Hosemann, SA Maloy, AM Minor - Nature materials, 2011 - nature.com
Increasing demand for energy and reduction of carbon dioxide emissions has revived
interest in nuclear energy. Designing materials for radiation environments necessitates a …