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” …

Quantitative tests revealing hydrogen-enhanced dislocation motion in α-iron

L Huang, D Chen, D Xie, S Li, Y Zhang, T Zhu… - Nature Materials, 2023 - nature.com
Hydrogen embrittlement jeopardizes the use of high-strength steels in critical load-bearing
applications. However, uncertainty regarding how hydrogen affects dislocation motion …

Strong crystal size effect on deformation twinning

Q Yu, ZW Shan, J Li, X Huang, L Xiao, J Sun, E Ma - nature, 2010 - nature.com
Abstract Deformation twinning,,,,, in crystals is a highly coherent inelastic shearing process
that controls the mechanical behaviour of many materials, but its origin and spatio-temporal …

Key computational modeling issues in integrated computational materials engineering

JH Panchal, SR Kalidindi, DL McDowell - Computer-Aided Design, 2013 - Elsevier
Designing materials for targeted performance requirements as required in Integrated
Computational Materials Engineering (ICME) demands a combined strategy of bottom–up …

A micropillar compression investigation into the plastic flow properties of additively manufactured alloys

SH Li, Y Zhao, J Radhakrishnan, U Ramamurty - Acta Materialia, 2022 - Elsevier
Solidification cells and a high density of dislocations are two common features of additively
manufactured (AM) alloys that are processed using techniques such as laser powder bed …

Atomistic modeling of interfaces and their impact on microstructure and properties

Y Mishin, M Asta, J Li - Acta Materialia, 2010 - Elsevier
Atomic-level modeling of materials provides fundamental insights into phase stability,
structure and properties of crystalline defects, and to physical mechanisms of many …

Energy of slip transmission and nucleation at grain boundaries

MD Sangid, T Ezaz, H Sehitoglu, IM Robertson - Acta materialia, 2011 - Elsevier
Grain boundaries (GBs) provide a strengthening mechanism in engineering materials by
impeding dislocation motion. In a polycrystalline material, there is a wide distribution of GB …

The mechanical properties of nanowires

S Wang, Z Shan, H Huang - Advanced Science, 2017 - Wiley Online Library
Applications of nanowires into future generation nanodevices require a complete
understanding of the mechanical properties of the nanowires. A great research effort has …

Novel atomic-scale mechanism of incipient plasticity in a chemically complex CrCoNi medium-entropy alloy associated with inhomogeneity in local chemical …

FH Cao, YJ Wang, LH Dai - Acta Materialia, 2020 - Elsevier
Understanding the incipient plastic mechanism in metals is critical for their associated
mechanical properties. While heterogeneous dislocation nucleation from pre-existing …