Development and application of a Ni-Ti interatomic potential with high predictive accuracy of the martensitic phase transition

WS Ko, B Grabowski, J Neugebauer - Physical Review B, 2015 - APS
Phase transitions in nickel-titanium shape-memory alloys are investigated by means of
atomistic simulations. A second nearest-neighbor modified embedded-atom method …

[HTML][HTML] Atomic scale processes of phase transformations in nanocrystalline NiTi shape-memory alloys

WS Ko, SB Maisel, B Grabowski, JB Jeon… - Acta Materialia, 2017 - Elsevier
Molecular dynamics simulations are performed to investigate temperature-and stress-
induced phase transformations in nanocrystalline nickel-titanium shape-memory alloys. Our …

Transformation induced softening and plasticity in high entropy alloys

J Li, Q Fang, B Liu, Y Liu - Acta Materialia, 2018 - Elsevier
Nanostructured high-entropy alloys (HEAs) with excellent properties have recently attracted
extensive attention from both academia and industry in recent years. However, as a …

Dynamic shock response of high-entropy alloy with elemental anomaly distribution

S Song, H Li, P Liu, M Duan, X Peng - International Journal of Mechanical …, 2023 - Elsevier
Elemental inhomogeneities formed during the actual preparation or heat treatment of high
entropy alloys (HEAs) have a profound effect on the mechanical properties of HEAs. In this …

Lattice distortion and re-distortion affecting irradiation tolerance in high entropy alloys

P Wang, M Li, B Malomo, L Yang - Nanoscale, 2023 - pubs.rsc.org
High entropy alloys (HEAs) are promising nuclear structural materials due to their excellent
irradiation resistance. However, the essential mechanisms of irradiation tolerance in HEAs …

Molecular dynamics simulation on the shape memory effect and superelasticity in NiTi shape memory alloy

X Chen, T Liu, R Li, J Liu, Y Zhao - Computational Materials Science, 2018 - Elsevier
Molecular dynamics (MD) simulations Ni-Ti based on a second nearest neighbor modified
embedded-atom method potential were performed to study atomic-scale mechanical …

Uncovering the role of nanoscale precipitates on martensitic transformation and superelasticity

S Tripathi, KG Vishnu, MS Titus, A Strachan - Acta Materialia, 2022 - Elsevier
We characterize the role of coherent nanoscale B2 Ni 50 Al 50 precipitates on the
temperature-and stress-induced martensitic phase transformation in nanocrystalline Ni 63 Al …

Shock loading of granular Ni/Al composites. Part 1: Mechanics of loading

MJ Cherukara, TC Germann, EM Kober… - The Journal of …, 2014 - ACS Publications
We present molecular dynamics simulations of the thermomechanical response under shock
loading of a granular material consisting of laminated Ni/Al grains. We observe two regimes …

Molecular dynamics simulations of the reaction mechanism in Ni/Al reactive intermetallics

MJ Cherukara, TP Weihs, A Strachan - Acta Materialia, 2015 - Elsevier
We present an atomistic level description of the reaction mechanisms in thermally ignited
samples of reactive core/shell Ni/Al wires. The combination of very long simulation times (up …

Shock loading of granular Ni/Al composites. Part 2: Shock-induced chemistry

MJ Cherukara, TC Germann, EM Kober… - The Journal of …, 2016 - ACS Publications
We use molecular dynamics simulations to characterize the chemical processes resulting
from the shock compaction of a loosely packed granular reactive composite of Ni and Al. For …