Radiation damage in nanostructured materials

X Zhang, K Hattar, Y Chen, L Shao, J Li, C Sun… - Progress in Materials …, 2018 - Elsevier
Materials subjected to high dose irradiation by energetic particles often experience severe
damage in the form of drastic increase of defect density, and significant degradation of their …

On the history and status of reactor pressure vessel steel ductile to brittle transition temperature shift prediction models

GR Odette, T Yamamoto, TJ Williams… - Journal of Nuclear …, 2019 - Elsevier
This paper melds an overview of the history of Reactor Pressure Vessel (RPV) embrittlement
research, focusing on predicting ductile-to-brittle transition temperature shifts (ΔT), along …

[HTML][HTML] Sequential nucleation of phases in a 17-4PH steel: Microstructural characterisation and mechanical properties

G Yeli, MA Auger, K Wilford, GDW Smith, PAJ Bagot… - Acta Materialia, 2017 - Elsevier
A major concern for 17-4PH steels operating at elevated temperatures is embrittlement due
to Fe-rich (α) and Cr-enriched (α′) phase separation, along with precipitation of other …

Solute diffusion by self-interstitial defects and radiation-induced segregation in ferritic Fe–X (X= Cr, Cu, Mn, Ni, P, Si) dilute alloys

L Messina, T Schuler, M Nastar, MC Marinica, P Olsson - Acta Materialia, 2020 - Elsevier
This work investigates solute transport due to self-interstitial defects and radiation induced
segregation tendencies in dilute ferritic alloys, by computing the transport coefficients of …

Flux effects in precipitation under irradiation–Simulation of Fe-Cr alloys

JH Ke, ER Reese, EA Marquis, GR Odette, D Morgan - Acta Materialia, 2019 - Elsevier
Radiation-enhanced precipitation of Cr-rich α′ in irradiated Fe-Cr alloys, which results in
hardening and embrittlement, depends on the irradiating particle and the displacement per …

Precipitation in reactor pressure vessel steels under ion and neutron irradiation: On the role of segregated network dislocations

GR Odette, N Almirall, PB Wells, T Yamamoto - Acta Materialia, 2021 - Elsevier
The ultrahigh density of Mn-Ni-Si-Cu precipitates that form in irradiated reactor pressure
vessels (RPV) result in hardening and embrittlement, which may limit the service life of aging …

Precipitation and hardening in irradiated low alloy steels with a wide range of Ni and Mn compositions

N Almirall, PB Wells, T Yamamoto, K Wilford, T Williams… - Acta Materialia, 2019 - Elsevier
Abstract Mn-Ni-Si intermetallic precipitates (MNSPs) that are observed in some Fe-based
alloys following thermal aging and irradiation are of considerable scientific and technical …

The effect of phosphorus on precipitation in irradiated reactor pressure vessel (RPV) steels

A Kamboj, MN Bachhav, M Dubey, N Almirall… - Journal of Nuclear …, 2023 - Elsevier
Embrittlement of light water reactor pressure vessel (RPV) steels by fast neutron irradiation
may limit extended nuclear plant life. Embrittlement, which is manifested as increases in …

Thermodynamic and kinetic modeling of Mn-Ni-Si precipitates in low-Cu reactor pressure vessel steels

H Ke, P Wells, PD Edmondson, N Almirall, L Barnard… - Acta Materialia, 2017 - Elsevier
Formation of large volume fractions of Mn-Ni-Si precipitates (MNSPs) causes excess
irradiation embrittlement of reactor pressure vessel (RPV) steels at high, extended-life …

Systematic electronic-structure investigation of substitutional impurity diffusion and flux coupling in bcc iron

L Messina, M Nastar, N Sandberg, P Olsson - Physical Review B, 2016 - APS
The diffusion properties of a wide range of impurities (transition metals and Al, Si, and P) in
ferritic alloys are here investigated by means of a combined ab initio–atomic diffusion theory …