Interaction of extended dislocations with nanovoid clusters

AM Roach, S Xu, DJ Luscher, DS Gianola… - International Journal of …, 2023 - Elsevier
Voids of nanoscale dimensions in irradiated metals can act as obstacles to dislocation
motion and cause strengthening. In this work, nanovoid strengthening and the influences of …

Grain orientation dependence of nanoindentation and deformation-induced martensitic phase transformation in neutron irradiated AISI 304L stainless steel

KS Mao, C Sun, Y Huang, CH Shiau, FA Garner… - Materialia, 2019 - Elsevier
We studied the mechanical properties of a neutron irradiated AISI 304L stainless steel using
nanoindentation with respect to crystallographic grain orientation. After neutron …

[HTML][HTML] Defect Production, evolution, and thermal recovery mechanisms in radiation damaged tungsten

X YI, W HAN, P LIU, F Ferroni, Q ZHAN, F WAN - Acta Metall Sin, 2020 - ams.org.cn
Tungsten (W) is a prime candidate for use in plasma-facing components in fusion reactors.
These components are subjected to high temperatures and displacement damages caused …

Meso-timescale atomistic simulations on coalescence process of He bubbles in Fe by SEAKMC method

Y Yamamoto, S Hayakawa, T Okita, M Itakura - Computational Materials …, 2023 - Elsevier
He bubbles are characteristic microstructures under fusion reactor conditions. They
approach and coalesce through their own migration, which significantly impacts the …

Swelling resistance of advanced austenitic alloy A709 and its comparison with 316 stainless steel at high damage levels

H Kim, JG Gigax, J Fan, FA Garner, TL Sham… - Journal of Nuclear …, 2019 - Elsevier
Alloy A709 is an austenitic alloy developed for power boiler applications in thermal power
plants and is being considered as a candidate structural material for Generation IV reactors …

Role of cavities on deformation-induced martensitic transformation pathways in a laser-welded, neutron irradiated austenitic stainless steel

KS Mao, C Sun, CH Shiau, KH Yano, PD Freyer… - Scripta Materialia, 2020 - Elsevier
The role of cavities on deformation-induced martensitic phase transformations is studied in a
laser-welded and neutron irradiated austenitic stainless steel. Orientation dependent …

Microstructure and microchemistry of laser welds of irradiated austenitic steels

KS Mao, AJ French, X Liu, Y Wu, LA Giannuzzi, C Sun… - Materials & Design, 2021 - Elsevier
This article investigates the integrity of laser welds on neutron irradiated, He-containing
steels. Life extension of the current fleet of light water reactors could necessitate repair of …

Correlative STEM-APT characterization of radiation-induced segregation and precipitation of in-service BWR 304 stainless steel

TG Lach, MJ Olszta, SD Taylor, KH Yano… - Journal of Nuclear …, 2021 - Elsevier
Radiation induced segregation and precipitation phenomena in an in-service boiling water
reactor 304 stainless steel component were investigated using directly correlated 3D-atom …

Interaction mechanism of an edge dislocation with a void in Fe–Ni–Cr concentrated solid-solution alloy

YK Dou, H Cao, XF He, J Gao, J Cao… - Journal of Alloys and …, 2021 - Elsevier
Abstract The interactions of a 1/2< 110>{111} edge dislocation with a void in Fe10Ni20Cr
and Fe33Ni33Cr concentrated solid-solution alloys are investigated by using molecular …

Microchemical and microstructural evolution of AISI 304 stainless steel irradiated in EBR-II at PWR-relevant dpa rates

Y Dong, BH Sencer, FA Garner, EA Marquis - Journal of Nuclear Materials, 2015 - Elsevier
AISI 304 stainless steel was irradiated at 416° C and 450° C at a 4.4× 10− 9 and 3.05× 10−
7 dpa/s to∼ 0.4 and∼ 28 dpa, respectively, in the reflector of the EBR-II fast reactor. Both …