[PDF][PDF] 1.18-Radiation-induced segregation

M Nastar, F Soisson - Comprehensive nuclear materials, 2012 - researchgate.net
Irradiation creates excess point defects in materials (vacancies and self-interstitial atoms),
which can be eliminated by mutual recombination, clustering, or annihilation of preexisting …

Severe local lattice distortion in Zr-and/or Hf-containing refractory multi-principal element alloys

Y Tong, S Zhao, H Bei, T Egami, Y Zhang, F Zhang - Acta Materialia, 2020 - Elsevier
Whereas exceptional mechanical and radiation performances have been found in the
emergent body-centered cubic (BCC) refractory multi-principal element alloys (RMPEAs) …

The relationship between grain boundary structure, defect mobility and grain boundary sink efficiency

BP Uberuaga, LJ Vernon, E Martinez, AF Voter - Scientific reports, 2015 - nature.com
Nanocrystalline materials have received great attention due to their potential for improved
functionality and have been proposed for extreme environments where the interfaces are …

Vacancy diffusion in multi-principal element alloys: The role of chemical disorder in the ordered lattice

SL Thomas, S Patala - Acta Materialia, 2020 - Elsevier
Many of the purported virtues of Multi-Principal Element Alloys (MPEAs), such as corrosion,
high-temperature oxidation and irradiation resistance, are highly sensitive to vacancy …

Chemical environment and magnetic moment effects on point defect formations in CoCrNi-based concentrated solid-solution alloys

H Guan, S Huang, J Ding, F Tian, Q Xu, J Zhao - Acta Materialia, 2020 - Elsevier
Atomic investigation of point defects is the basis for exploring the mechanisms underlying
the macro performance of materials under irradiation. Owing to the complex local disordered …

Microstructural changes and void swelling of a 12Cr ODS ferritic-martensitic alloy after high-dpa self-ion irradiation

T Chen, E Aydogan, JG Gigax, D Chen, J Wang… - Journal of Nuclear …, 2015 - Elsevier
A dual-phase 12Cr oxide-dispersion-strengthened (ODS) alloy, with improved corrosion and
oxidation resistance exhibits promising void swelling resistance and microstructural stability …

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 …

A “local” stacking fault energy model for concentrated alloys

CR LaRosa, M Ghazisaeidi - Acta Materialia, 2022 - Elsevier
We propose a simple bond energy model that can accurately predict the average stacking
fault energy (SFE) in concentrated solid-solution alloys. The SFE is approximated by the …

Temperature dependence of the mechanical properties of equiatomic solid solution alloys with face-centered cubic crystal structures

Z Wu, H Bei, GM Pharr, EP George - Acta Materialia, 2014 - Elsevier
Compared to decades-old theories of strengthening in dilute solid solutions, the mechanical
behavior of concentrated solid solutions is relatively poorly understood. A special subset of …

In situ study of defect migration kinetics in nanoporous Ag with enhanced radiation tolerance

C Sun, D Bufford, Y Chen, MA Kirk, YQ Wang, M Li… - Scientific reports, 2014 - nature.com
Defect sinks, such as grain boundaries and phase boundaries, have been widely accepted
to improve the irradiation resistance of metallic materials. However, free surface, an ideal …