Tunable chemical disorder in concentrated alloys: defect physics and radiation performance
The development of advanced structural alloys with performance meeting the requirements
of extreme environments in nuclear reactors has been long pursued. In the long history of …
of extreme environments in nuclear reactors has been long pursued. In the long history of …
Radiation-induced solute segregation in metallic alloys
The subject of radiation-induced solute segregation (RIS) in metallic alloys is reviewed. RIS
manifests itself in several different ways, including diffusion to point-defect sinks …
manifests itself in several different ways, including diffusion to point-defect sinks …
Solute diffusion by self-interstitial defects and radiation-induced segregation in ferritic Fe–X (X= Cr, Cu, Mn, Ni, P, Si) dilute alloys
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 …
segregation tendencies in dilute ferritic alloys, by computing the transport coefficients of …
Exact ab initio transport coefficients in bcc (, , , , , ) dilute alloys
Defect-driven diffusion of impurities is the major phenomenon leading to formation of
embrittling nanoscopic precipitates in irradiated reactor pressure vessel (RPV) steels …
embrittling nanoscopic precipitates in irradiated reactor pressure vessel (RPV) steels …
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 …
alloys following thermal aging and irradiation are of considerable scientific and technical …
Behaviour of P, Si, Ni impurities and Cr in self ion irradiated Fe–Cr alloys–Comparison to neutron irradiation
C Pareige, V Kuksenko, P Pareige - Journal of Nuclear Materials, 2015 - Elsevier
This paper presents an atom probe tomography study of phase transformation and solute
segregation in Fe–Cr alloys of low purity under self-ion irradiation. Fe–9% Cr and Fe–12 …
segregation in Fe–Cr alloys of low purity under self-ion irradiation. Fe–9% Cr and Fe–12 …
Thermodynamic and kinetic modeling of Mn-Ni-Si precipitates in low-Cu reactor pressure vessel steels
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 …
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
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 …
ferritic alloys are here investigated by means of a combined ab initio–atomic diffusion theory …
The dominant mechanisms for the formation of solute-rich clusters in low-Cu steels under irradiation
N Castin, G Bonny, A Bakaev, F Bergner… - Materials Today …, 2020 - Elsevier
The formation of nano-sized, coherent, solute-rich clusters (NSRC) is known to be an
important factor causing the degradation of the macroscopic properties of steels under …
important factor causing the degradation of the macroscopic properties of steels under …
Structural characterization of nanoscale intermetallic precipitates in highly neutron irradiated reactor pressure vessel steels
DJ Sprouster, J Sinsheimer, E Dooryhee, SK Ghose… - Scripta Materialia, 2016 - Elsevier
Massive, thick-walled pressure vessels are permanent nuclear reactor structures that are
exposed to a damaging flux of neutrons from the adjacent core. The neutrons cause …
exposed to a damaging flux of neutrons from the adjacent core. The neutrons cause …