Segregation of Ni at early stages of radiation damage in NiCoFeCr solid solution alloys

F Tuomisto, I Makkonen, J Heikinheimo, F Granberg… - Acta Materialia, 2020 - Elsevier
Defect evolution under irradiation is investigated in a set of single-phase concentrated solid
solution alloys (SP-CSAs) containing Ni with Co, Fe and/or Cr. We show that atomic …

Role of chemical disorder on radiation-induced defect production and damage evolution in NiFeCoCr

Y Zhou, G Velişa, S San, ML Crespillo, Z Fan… - Journal of Nuclear …, 2022 - Elsevier
Understanding chemical disorder in many concentrated solid solution alloys (CSAs) at the
levels of electrons and atoms has attracted increasing attention as a path forward to reveal …

Local segregation versus irradiation effects in high-entropy alloys: Steady-state conditions in a driven system

L Koch, F Granberg, T Brink, D Utt, K Albe… - Journal of Applied …, 2017 - pubs.aip.org
We study order transitions and defect formation in a model high-entropy alloy (CuNiCoFe)
under ion irradiation by means of molecular dynamics simulations. Using a hybrid Monte …

[HTML][HTML] Enhancement of vacancy diffusion by C and N interstitials in the equiatomic FeMnNiCoCr high entropy alloy

E Lu, J Zhao, I Makkonen, K Mizohata, Z Li, M Hua… - Acta Materialia, 2021 - Elsevier
We present evidence of homogenization of atomic diffusion properties caused by C and N
interstitials in an equiatomic single-phase high entropy alloy (FeMnNiCoCr). This …

Simulations of primary damage in a High Entropy Alloy: Probing enhanced radiation resistance

OR Deluigi, RC Pasianot, FJ Valencia, A Caro… - Acta Materialia, 2021 - Elsevier
Abstract High Entropy Alloys (HEA) attract attention as possible radiation resistant materials,
a feature observed in some experiments that has been attributed to several unique …

Effect of local chemical order on the irradiation-induced defect evolution in CrCoNi medium-entropy alloy

Z Zhang, Z Su, B Zhang, Q Yu, J Ding… - Proceedings of the …, 2023 - National Acad Sciences
High-(and medium-) entropy alloys have emerged as potentially suitable structural materials
for nuclear applications, particularly as they appear to show promising irradiation resistance …

Radiation-induced segregation on defect clusters in single-phase concentrated solid-solution alloys

C Lu, T Yang, K Jin, N Gao, P Xiu, Y Zhang, F Gao… - Acta Materialia, 2017 - Elsevier
A group of single-phase concentrated solid-solution alloys (SP-CSAs), including NiFe,
NiCoFe, NiCoFeCr, as well as a high entropy alloy NiCoFeCrMn, was irradiated with 3 MeV …

How does short-range order impact defect kinetics in irradiated multiprincipal element alloys?

P Cao - Accounts of Materials Research, 2021 - ACS Publications
The effect of high-energy particle irradiation on materials is often detrimental, yet it can be
beneficial as in orienting high-density magnetic alloys by promoting chemical order. 1 …

Origin of radiation resistance in multi-principal element alloys

HS Do, BJ Lee - Scientific reports, 2018 - nature.com
Using molecular dynamics simulations, we characterized the generation and evolution of
radiation-induced point defects in the CoCrFeMnNi high-entropy alloy (HEA), to compare it …

Exploring radiation induced segregation mechanisms at grain boundaries in equiatomic CoCrFeNiMn high entropy alloy under heavy ion irradiation

CM Barr, JE Nathaniel II, KA Unocic, J Liu, Y Zhang… - Scripta Materialia, 2018 - Elsevier
High entropy alloys have gained significant interest due to several unique properties
including enhanced radiation resistance. In this work, radiation induced segregation, a key …