Exascale applications: skin in the game

F Alexander, A Almgren, J Bell… - … of the Royal …, 2020 - royalsocietypublishing.org
As noted in Wikipedia, skin in the game refers to having 'incurred risk by being involved in
achieving a goal', where 'skin is a synecdoche for the person involved, and game is the …

Atomistic insights into metal hardening

LA Zepeda-Ruiz, A Stukowski, T Oppelstrup, N Bertin… - Nature materials, 2021 - nature.com
For millennia, humans have exploited the natural property of metals to get stronger or
harden when mechanically deformed. Ultimately rooted in the motion of dislocations …

[HTML][HTML] Fundamental mechanisms for irradiation-hardening and embrittlement: a review

X **ao - Metals, 2019 - mdpi.com
It has long been recognized that exposure to irradiation environments could dramatically
degrade the mechanical properties of nuclear structural materials, ie, irradiation-hardening …

Irradiation hardening behavior of high entropy alloys using random field theory informed discrete dislocation dynamics simulation

Y Chen, S Wang, H Feng, W Li, B Liu, J Li, Y Liu… - International Journal of …, 2023 - Elsevier
High entropy alloys (HEAs) exhibit outstanding radiation resistance over traditional alloys
owing to severe lattice distortion, and therefore, would be regarded as candidate materials …

Effect of neighboring grain orientation on strain localization in slip bands in HCP materials

B Ahmadikia, MA Kumar, IJ Beyerlein - International Journal of Plasticity, 2021 - Elsevier
Particularly in plastically anisotropic crystals, such as hexagonal close packed (HCP)
materials, plastic deformation is realized by slip acting in the small volumes within individual …

Modeling slip system strength evolution in Ti-7Al informed by in-situ grain stress measurements

DC Pagan, PA Shade, NR Barton, JS Park, P Kenesei… - Acta Materialia, 2017 - Elsevier
Far-field high-energy X-ray diffraction microscopy is used to asses the evolution of slip
system strengths in hexagonal close-packed (HCP) Ti-7Al during tensile deformation in-situ …

[HTML][HTML] Simulation of crystal plasticity in irradiated metals: A case study on Zircaloy-4

C Hardie, R Thomas, Y Liu, P Frankel, F Dunne - Acta Materialia, 2022 - Elsevier
A classical crystal plasticity formulation based on dislocation slip was extended to include
the mechanisms of dislocation channelling, with associated strain softening which is …

Grain boundary slip–twin transmission in titanium

B Ahmadikia, L Wang, MA Kumar, IJ Beyerlein - Acta Materialia, 2023 - Elsevier
Using a combination of mechanical testing, scanning electron microscopy, and a unified
crystal plasticity framework for discrete intragranular shear localization, we investigate …

[HTML][HTML] A peridynamic elasto-plastic damage model for ion-irradiated materials

M Nowak, K Mulewska, A Azarov, A Ustrzycka - International Journal of …, 2023 - Elsevier
This study presents the novel peridynamic constitutive relations formulated in order to
predict the plastic deformation and damage evolution in irradiated materials. The plastic …

An inverse optimization strategy to determine single crystal mechanical behavior from polycrystal tests: Application to AZ31 Mg alloy

V Herrera-Solaz, J LLorca, E Dogan, I Karaman… - International Journal of …, 2014 - Elsevier
An inverse optimization strategy was developed to determine the single crystal properties
from experimental results of the mechanical behavior of polycrystals. The polycrystal …