The origin of strain avalanches in sub-micron plasticity of fcc metals

T Crosby, G Po, C Erel, N Ghoniem - Acta materialia, 2015 - Elsevier
Numerous experimental observations have recently demonstrated two aspects of sub-
micron plasticity in nano pillars:(1) the statistical nature of the yield strength, and (2) the …

Exploring deformation mechanisms in nanostructured materials

JR Greer, D Jang, XW Gu - Jom, 2012 - Springer
Useful properties of structural materials generally depend on their bulk microstructure. For
centuries, improvements in structural materials relied heavily on processing, which in turn …

Nucleation theory for yielding of nearly defect-free crystals: Understanding rate dependent yield points

VS Reddy, P Nath, J Horbach, P Sollich, S Sengupta - Physical Review Letters, 2020 - APS
Experiments and simulations show that when an initially defect-free rigid crystal is subjected
to deformation at a constant rate, irreversible plastic flow commences at the so-called yield …

Atomistic simulation of the rate-dependent ductile-to-brittle failure transition in bicrystalline metal nanowires

W Tao, P Cao, HS Park - Nano letters, 2018 - ACS Publications
The mechanical properties and plastic deformation mechanisms of metal nanowires have
been studied intensely for many years. One of the important yet unresolved challenges in …

Yield precursor dislocation avalanches in small crystals: the irreversibility transition

X Ni, H Zhang, DB Liarte, LW McFaul, KA Dahmen… - Physical review …, 2019 - APS
The transition from elastic to plastic deformation in crystalline metals shares history
dependence and scale-invariant avalanche signature with other nonequilibrium systems …

Grain Boundary Sliding in Aluminum Nano‐Bi‐Crystals Deformed at Room Temperature

ZH Aitken, D Jang, CR Weinberger, JR Greer - Small, 2014 - Wiley Online Library
Room‐temperature uniaxial compressions of 900‐nm‐diameter aluminum bi‐crystals, each
containing a high‐angle grain boundary with a plane normal inclined at 24° to the loading …

Coupling effect of second phase and phase interface on deformation behaviours in microscale Ti-55531 pillars

W Kou, Q Sun, L Xiao, J Sun - Journal of Alloys and Compounds, 2020 - Elsevier
The metastable-β Ti-55531 alloys with different second phases were chosen to investigate
coupling effect of second phase and interface as well as the dislocation interaction details …

The light subunit of mushroom Agaricus bisporus tyrosinase: Its biological characteristics and implications

WT Ismaya, OM Tandrasasmita, S Sundari, X Lai… - International journal of …, 2017 - Elsevier
The light subunit of mushroom Agaricus bisporus tyrosinase (LSMT) is a protein of unknown
function that was discovered serendipitously during the elucidation of the crystal structure of …

Site dependence of surface dislocation nucleation in ceramic nanoparticles

J Amodeo, E Maras, D Rodney - npj Computational Materials, 2021 - nature.com
The extremely elevated strength of nanoceramics under compression arises from the
necessity to nucleate highly energetic dislocations from the surface, in samples that are too …

Plastic deformation behavior and microscopic mechanism of metastable Ti-10V-2Fe-3Al alloy single crystal pillars orientated to< 011> β in submicron scales Part I …

Y Pan, Q Sun, L Xiao, X Ding, J Sun - Materials Science and Engineering: A, 2019 - Elsevier
The effects of ω precipitates and orthorhombic (α ″) martensitic transformation on stress-
strain behavior were studied in metastable β Ti-10V-2Fe-3Al alloy single-crystal in …