Enhanced irradiation tolerance of a medium entropy alloy via precipitation and dissolution of nanoprecipitates

J Han, Y Zhang, Z Sun, Y Zhang, Y Zhao, L Sun… - Journal of Nuclear …, 2023 - Elsevier
High/medium entropy alloys (HEAs/MEAs) are good candidates for nuclear applications due
to the excellent mechanical properties, good corrosion resistance and radiation resistance …

Defect-specific strength factors and superposition model for predicting strengthening of ion irradiated Fe18Cr alloy

P Zhu, Y Zhao, YR Lin, J Henry, SJ Zinkle - Journal of Nuclear Materials, 2024 - Elsevier
A high-purity binary alloy Fe18Cr was subjected to heavy-ion irradiation in order to provide
improved understanding of the irradiation effect on radiation hardening associated with …

Effect of cascade size and damage rate on α'precipitate stability in Fe-15Cr

KN Thomas, GS Was - Journal of Nuclear Materials, 2023 - Elsevier
Abstract Samples of a Fe-15Cr model alloy with an established α'precipitate population were
irradiated with 1.25 MeV electrons, 1.5 MeV protons, or 4.4 MeV Fe 2+/3+ ions over a range …

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 …

Element-dependent evolution of chemical short-range ordering tendency of NiCoFeCrMn under irradiation

Y Zhou, T Shi, J Li, L Wu, Q Peng, C Lu - International Journal of Plasticity, 2023 - Elsevier
The evolution of short-range order (SRO) structures under irradiation has a great impact on
the mechanical properties of high-entropy alloys. In this study, the atomistic mechanism of …

Microstructural evolution in doped high entropy alloys NiCoFeCr-3X (X= Pd/Al/Cu) under irradiation

S Dasari, B Kombaiah, JD Poplawsky… - Journal of Nuclear …, 2024 - Elsevier
Commonly studied equatomic single-phase FCC high entropy alloys based on 3d transition
metals like NiCoFeCr do not provide adequate strength and radiation resistance at high …

The role of Cr concentration and temperature on cavity swelling with co-injected helium in dual-ion irradiated Fe and Fe-Cr alloys

YR Lin, A Bhattacharya, D Chen, Y Zhao, JJ Kai… - Materials & Design, 2022 - Elsevier
The level of chromium plays an essential role in irradiation tolerance of Fe-Cr ferritic alloys.
However, conflicting results have been reported regarding the dependence of cavity …

Systematic experimental and model-based evaluation of the synergistic effects of alloy composition and damage rate on the formation of Cr-rich precipitates in Fe–Cr …

Y Abe, TT Sasaki, S Yamashita, N Okubo… - Journal of Nuclear …, 2024 - Elsevier
Abstract Fourteen Fe–Cr–Al alloys with systematically varied Cr and Al compositions were
irradiated at 350∘ C to 0.24 dpa by 10.5 MeV self-ions as model alloys for the Fe–Cr–Al …

The role of Cr, P, and N solutes on the irradiated microstructure of bcc Fe

PH Warren, CD Clement, C Yang, A Sen… - Journal of Nuclear …, 2023 - Elsevier
The objective of this study is to understand irradiation-induced and assisted defect evolution
in binary body center cubic (bcc) Fe-based alloys. The broader class of bcc ferritic alloys are …

Understanding the dose-rate effect on loop characteristics in Kr+-irradiated CeO2 by in-situ TEM study

F Yuan, Z Cao, D Cui, Y **n, Y Li, D Sun, G Ran - Ceramics International, 2024 - Elsevier
Irradiation of CeO 2 with heavy ions is commonly used to accelerate the evaluation of the
irradiation performance of UO 2 nuclear fuel. However, the differences in damage rates …