D. P. ABRAHAM, J. W. RICHARDSON JR.
The study investigates the microstructure and phase stability of zirconium-8 wt% stainless steel (Zr-8SS) alloy, which is significant for the development of a metal waste form from spent nuclear fuels. The objective is to understand the microstructural evolution and phase transformations during thermal aging to predict the corrosion behavior of this alloy in waste management applications. Utilizing techniques such as scanning electron microscopy, energy dispersive spectroscopy, and neutron diffraction, the research examines the phases present in the as-cast Zr-8SS alloy, including Zr(α), Zr3(Fe,Ni), Zr2(Fe,Ni), Zr2(Fe,Cr), and Zr(Fe,Cr)2. Results indicate a proposed solidification sequence that elucidates the formation and morphology of these phases. Additionally, thermal aging at 780°C reveals an increase in Zr3(Fe,Ni) content and a corresponding decrease in Zr2(Fe,Ni), with proposed reaction mechanisms explained through the study. The lattice parameters of the identified phases are confirmed to align with existing literature, providing a foundation for understanding the actinide and fission product distribution in the Zr-8SS waste form and its long-term corrosion resistance.
@article{a0892c39-9b3e-4f0b-b52f-9abccdd4085a,
title={Microscopy and neutron diffraction study},
author={D. P. ABRAHAM and J. W. RICHARDSON JR.},
year={2026},
language={en}
}TY - JOUR TI - Microscopy and neutron diffraction study AU - D. P. ABRAHAM AU - J. W. RICHARDSON JR. PY - 2026 LA - en ER -
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