Achieving exceptional radiation tolerance with crystalline-amorphous nanocrystalline structures

M Jin, P Cao, MP Short - Acta Materialia, 2020 - Elsevier
Nanostructured materials with amorphous intergranular films (AIFs) have demonstrated
superior strength and ductility. Their radiation tolerance is expected to be high as the large …

Amorphous intergranular films mitigate radiation damage in nanocrystalline Cu-Zr

JD Schuler, CM Grigorian, CM Barr, BL Boyce, K Hattar… - Acta Materialia, 2020 - Elsevier
Nanocrystalline metals are promising radiation tolerant materials due to their large
interfacial volume fraction, but irradiation-induced grain growth can eventually degrade any …

Amorphous intergranular films act as ultra-efficient point defect sinks during collision cascades

JE Ludy, TJ Rupert - Scripta Materialia, 2016 - Elsevier
Atomistic simulations are used to explore the effect of interfacial structure on residual
radiation damage. Specifically, an ordered grain boundary is compared to a disordered …

Direct observation of grain-boundary-migration-assisted radiation damage healing in ultrafine grained gold under mechanical stress

S Stangebye, K Ding, Y Zhang, E Lang, K Hattar… - Nano Letters, 2023 - ACS Publications
Nanostructured metals are a promising class of radiation-tolerant materials. A large volume
fraction of grain boundaries (GBs) can provide plenty of sinks for radiation damage, and …

In situ Observation of Defect Annihilation in Kr Ion-Irradiated Bulk Fe/Amorphous-Fe2Zr Nanocomposite Alloy

KY Yu, Z Fan, Y Chen, M Song, Y Liu… - Materials Research …, 2015 - Taylor & Francis
Enhanced irradiation tolerance in crystalline multilayers has received significant attention
lately. However, little is known on the irradiation response of crystal/amorphous nanolayers …

Unique irradiation damage behavior and deformation mechanisms in crystalline/amorphous Ag/Cu-Zr nanolaminates

ZA Li, JD Zuo, YQ Wang, K Wu, JY Zhang, G Liu, J Sun - Acta Materialia, 2024 - Elsevier
Nanolaminated materials due to the abundant interfaces that are efficient sinks for irradiation
defects have received broad attention. In this work, Ag/Cu-Zr crystalline/amorphous …

Radiation damage reduction by grain-boundary biased defect migration in nanocrystalline Cu

M Jin, P Cao, S Yip, MP Short - Acta Materialia, 2018 - Elsevier
Nanocrystalline materials with a high density of grain boundaries have long been reported
to alleviate radiation damage. However, a full mechanistic understanding of defect …

Irradiation deformation near different atomic grain boundaries in α-Zr: An investigation of thermodynamics and kinetics of point defects

A Arjhangmehr, SAH Feghhi - Scientific reports, 2016 - nature.com
Understanding radiation performance of nanocrystalline Zr-based alloys is essential to
develop internal components and external cladding materials with self-healing capabilities …

Self-healing mechanisms of ZrCu nanocrystalline/amorphous laminated alloy under irradiation

H Jing, M Li, P Wang, B Malomo, L Yang - Materialia, 2021 - Elsevier
An investigation on the microstructural evolution and self-healing mechanisms of ZrCu
nanocrystalline/amorphous laminated alloy (NALA) has been conducted by molecular …

An in situ study on Kr ion–irradiated crystalline Cu/amorphous-CuNb nanolaminates

Z Fan, C Fan, J Li, Z Shang, S Xue, MA Kirk… - Journal of Materials …, 2019 - cambridge.org
Nanocrystalline and nanolaminated materials show enhanced radiation tolerance compared
with their coarse-grained counterparts, since grain boundaries and layer interfaces act as …