Point defect evolution in Ni, NiFe and NiCr alloys from atomistic simulations and irradiation experiments

DS Aidhy, C Lu, K Jin, H Bei, Y Zhang, L Wang… - Acta Materialia, 2015 - Elsevier
Using molecular dynamics simulations, we elucidate irradiation-induced point defect
evolution in fcc pure Ni, Ni 0.5 Fe 0.5, and Ni 0.8 Cr 0.2 solid solution alloys. We find that …

Molecular dynamics simulations of radiation damage generation and dislocation loop evolution in Ni and binary Ni-based alloys

C Shan, L Lang, T Yang, Y Lin, F Gao, H Deng… - Computational Materials …, 2020 - Elsevier
As a great potential structural-material candidate for nuclear power applications, single-
phase concentrated solid-solution alloys containing different elements have outstanding …

Damage accumulation in ion-irradiated Ni-based concentrated solid-solution alloys

MW Ullah, DS Aidhy, Y Zhang, WJ Weber - Acta Materialia, 2016 - Elsevier
Irradiation-induced damage accumulation in Ni 0.8 Fe 0.2 and Ni 0.8 Cr 0.2 alloys are
investigated using molecular dynamics (MD) simulations to assess possible enhanced …

Effect of alloying elements on defect evolution in Ni-20X binary alloys

T Yang, C Lu, G Velisa, K Jin, P Xiu, ML Crespillo… - Acta Materialia, 2018 - Elsevier
The effect of alloying elements on radiation-induced microstructural evolution in Ni and Ni-
20X (X= Fe, Cr, Mn and Pd) binary alloys was investigated using ion irradiation and cross …

Direct observation of defect range and evolution in ion-irradiated single crystalline Ni and Ni binary alloys

C Lu, K Jin, LK Béland, F Zhang, T Yang, L Qiao… - Scientific reports, 2016 - nature.com
Energetic ions have been widely used to evaluate the irradiation tolerance of structural
materials for nuclear power applications and to modify material properties. It is important to …

Impact of micro-alloying in ion-irradiated nickel: From the inhibition of point-defect cluster diffusion by thermal segregation to the change of dislocation loop nature

K Ma, B Décamps, L Huang, RE Schäublin, JF Löffler… - Acta Materialia, 2023 - Elsevier
Micro-alloying strongly affects the incubation period of void swelling in irradiated face-
centered cubic materials. However, the underlying mechanism, which relates to the …

The effect of prolonged irradiation on defect production and ordering in Fe–Cr and Fe–Ni alloys

K Vörtler, N Juslin, G Bonny, L Malerba… - Journal of Physics …, 2011 - iopscience.iop.org
The understanding of the primary radiation damage in Fe-based alloys is of interest for the
use of advanced steels in future fusion and fission reactors. In this work Fe–Cr alloys (with 5 …

Effect of nickel on point defects diffusion in Fe–Ni alloys

N Anento, A Serra, Y Osetsky - Acta Materialia, 2017 - Elsevier
Iron-Nickel alloys are perspective alloys as nuclear energy structural materials because of
their good radiation damage tolerance and mechanical properties. Understanding of …

Radiation damage buildup and dislocation evolution in Ni and equiatomic multicomponent Ni-based alloys

E Levo, F Granberg, C Fridlund, K Nordlund… - Journal of nuclear …, 2017 - Elsevier
Single-phase multicomponent alloys of equal atomic concentrations (“equiatomic”) have
proven to exhibit promising mechanical and corrosion resistance properties, that are sought …

Differences in the accumulation of ion-beam damage in Ni and NiFe explained by atomistic simulations

LK Béland, GD Samolyuk, RE Stoller - Journal of Alloys and Compounds, 2016 - Elsevier
Following low-dose irradiation with a 3 MeV beam of Au ions, ie less than one displacement
per atom, a lower number of defects were experimentally observed in NiFe than in pure Ni …