Characterization of polyhedral nano-oxides and helium bubbles in an annealed nanostructured ferritic alloy

T Stan, Y Wu, J Ciston, T Yamamoto, GR Odette - Acta Materialia, 2020 - Elsevier
Nanostructured ferritic alloys (NFAs) contain an ultra-high density of 2–4 nm fcc pyrochlore Y
2 Ti 2 O 7 nano-oxides (NOs) embedded in a bcc Fe-14Cr ferritic matrix. Characterization of …

The crystal structure, orientation relationships and interfaces of the nanoscale oxides in nanostructured ferritic alloys

Y Wu, J Ciston, S Kräemer, N Bailey, GR Odette… - Acta Materialia, 2016 - Elsevier
The capability of nanostructured ferritic alloys (NFAs) to manage high levels of transmutation
product helium will help resolve one of the grand challenges to transforming the promise of …

On the structure and chemistry of complex oxide nanofeatures in nanostructured ferritic alloy U14YWT

D Bhattacharyya, P Dickerson, GR Odette… - Philosophical …, 2012 - Taylor & Francis
The remarkable radiation damage resistance of nanostructured ferritic alloys (NFAs) is
attributed to the large numbers of matrix nanofeatures (NFs) of various types, which can …

On the status and prospects for nanostructured ferritic alloys for nuclear fission and fusion application with emphasis on the underlying science

GR Odette - Scripta Materialia, 2018 - Elsevier
The status of nanostructured ferritic alloys (NFAs) is summarized. The science underlying
NFAs has emerged as a remarkably comprehensive and high quality body of research. The …

Fabrication and Characterization of Naturally Selected Epitaxial Fe-{111} Y2Ti2O7 Mesoscopic Interfaces: Some Potential Implications to Nano-Oxide Dispersion …

T Stan, Y Wu, GR Odette, KE Sickafus… - … Materials Transactions A, 2013 - Springer
The smallest features of≈ 2 to 3 nm in nanostructured ferritic alloys (NFA), a variant of oxide
dispersion-strengthened steels, include the Y 2 Ti 2 O 7 complex oxide cubic pyrochlore …

Helium bubble distributions in a nanostructured ferritic alloy

PD Edmondson, CM Parish, Y Zhang, A Hallén… - Journal of Nuclear …, 2013 - Elsevier
A 14YWT nanostructured ferritic alloy (NFA) was implanted with He+ ions to fluences of
6.75× 1021Hem− 2 at 400° C in order to simulate the effects of high He concentrations …

Helium sequestration at nanoparticle-matrix interfaces in helium+ heavy ion irradiated nanostructured ferritic alloys

CM Parish, KA Unocic, L Tan, SJ Zinkle… - Journal of Nuclear …, 2017 - Elsevier
We irradiated four ferritic alloys with energetic Fe and He ions: one castable nanostructured
alloy (CNA) containing Ti-W-Ta-carbides, and three nanostructured ferritic alloys (NFAs) …

The ferrite/oxide interface and helium management in nano-structured ferritic alloys from the first principles

L Yang, Y Jiang, Y Wu, GR Odette, Z Zhou, Z Lu - Acta Materialia, 2016 - Elsevier
Nano-size Y-Ti-oxides are largely responsible for the extraordinary mechanical properties
and irradiation tolerance of nano-structured ferritic alloys (NFAs). Here we report a …

Transmission electron microscopy characterization of the nanofeatures in nanostructured ferritic alloy MA957

Y Wu, EM Haney, NJ Cunningham, GR Odette - Acta Materialia, 2012 - Elsevier
Bright field transmission electron microscopy (TEM), high-resolution transmission electron
microscopy, scanning transmission electron microscopy and energy dispersive X-ray …

Bubble formation in helium-implanted nanostructured ferritic alloys at elevated temperatures

YR Lin, WY Chen, L Tan, DT Hoelzer, Z Yan, CY Hsieh… - Acta Materialia, 2021 - Elsevier
Helium bubble formation was examined by scanning/transmission electron microscopy
(S/TEM) in Fe-9/10Cr binary alloys and two dispersion strengthened nanostructured alloys …