An in situ study on the effect of grain boundaries on helium bubble formation in dual beam irradiated FeCrAl alloy

T Sun, T Niu, Z Shang, WY Chen, M Li, H Wang… - Acta Materialia, 2023 - Elsevier
FeCrAl alloy is one of the promising cladding materials in the advanced nuclear reactors.
Here we compare the irradiation response of the nanolaminate (NL) and coarse-grained …

Influence of kinetic effect on interaction between edge dislocation and irradiated dislocation loops in BCC Tantalum

Q Bao, Z Li, B Zhu, S Liang, J Zhu, M Huang… - International Journal of …, 2023 - Elsevier
In this paper, the interaction between an edge dislocation and irradiation< 100> sessile self-
interstitial atom (SIA) type dislocation loops (DLs) is studied by atomistic simulations in BCC …

Dislocation loops, segregation and hardening induced by high-dose ion irradiation of NbMoTaW and VCrTaW high-entropy alloy coatings on the T91 substrate

H Luo, B Long, S Lu, L Guo, F Luo, W Lin, J Cao… - Surface and Coatings …, 2023 - Elsevier
NbMoTaW and VCrTaW high-entropy alloys (HEA) coatings with near-equal atomic ratios
were deposited onto the T91 substrate by magnetron sputtering. The two HEA coatings and …

Dislocation loop bias and void swelling in irradiated α-iron from mesoscale and atomistic simulations

Z Yu, H Xu - Communications Materials, 2023 - nature.com
Dislocation loops are ubiquitous in irradiated materials, and dislocation loop bias plays a
critical role in void swelling. However, due to complicated interactions between dislocation …

Distinct ion irradiation response in VTaTi medium entropy alloy from elemental metal V

L Mei, Q Zhang, Y Dou, EG Fu, L Li, S Chen, Y Dong… - Scripta Materialia, 2023 - Elsevier
The microstructural and mechanical property changes induced by 6 MeV titanium ion
irradiation are comparatively investigated between a refractory medium-entropy alloy VTaTi …

Multiscale modeling of irradiation-induced defect evolution in BCC multi principal element alloys

Y Xiong, J Zhang, S Ma, S Huang, B Xu… - Journal of Alloys and …, 2023 - Elsevier
Multi-principal element alloys (MPEAs) have garnered significant attention due to their
exceptional mechanical properties and resistance to irradiation. The changes in …

Integrated effect of aging and heavy ion radiation on FeNiCrAl duplex alloy for accident-tolerant fuel cladding

H Xu, Y Feng, D He, C Jiang, T Hou, X Liu, W Li… - Acta Materialia, 2023 - Elsevier
Alumina-forming duplex FeNiCrAl alloy with superior mechanical properties and high-
temperature oxidation resistance has been regarded as an accident-tolerant fuel cladding …

Stress sensitivity origin of extended defects production under coupled irradiation and mechanical loading

M He, Y Yang, F Gao, Y Fan - Acta Materialia, 2023 - Elsevier
The production of extended and mechanically highly consequential defects are investigated
under concurrent driving forces of irradiation and stress. By using two-temperature model to …

Interaction of 1/2< 111> interstitial dislocation loop with hydrogen and helium in tungsten: molecular dynamics simulation

BC Xu, XC Li, J Wang, YW Li, XD Pan… - Materials Research …, 2023 - iopscience.iop.org
The interaction of hydrogen and helium atoms with 1/2< 111> interstitial dislocation loop in
tungsten is investigated by molecular dynamics simulation. The binding energies of …

Delayed plasticity during spherical nanoindentation of an iron-chromium-aluminum alloy: Effect of ferric ion irradiation

Y Zhang, CW Li, JL Jiang, JF Gu, H Wang… - Journal of Materials …, 2023 - Elsevier
Spherical nanoindentation of an iron-chromium-aluminum alloy was conducted to study the
effect of ferric-ion (Fe 3+) irradiation on the time-dependent plasticity behavior in the surface …