journal article·2022-11Open access

On the origin of the hydride precipitation-dissolution hysteresis in zirconium: Comments on Short Communication of G.A. McRae and C.E. Coleman published in Journal of Nuclear Materials 568 (2022) 153889

Siyang Wang

Abstract

This is a comment paper on the work of McRae and Coleman recently published in Journal of Nuclear Materials 568 (2022) 153,889, where the diffusion of H atoms in to and away from “hydride-stabilising clouds” upon thermal cycling was deemed the sole origin of the precipitation-dissolution hysteresis. Here I explain why the nature of the transformation itself would lead to a thermal hysteresis, and discuss the possible reasons why the model of McRae and Coleman does not align with experimental results.
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Research context

OpenAlex topics: Nuclear Materials and Properties · Radioactive element chemistry and processing · Fusion materials and technologies

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References (15)

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1. Rival interpretations of hydride precipitation-dissolution hysteresis in zirconium: rebuttal to critical comments to the Letter to the Editor of G.A. McRae and C.E. Coleman published in Journal of Nuclear Materials 556 (2021) 15316910.1016/j.jnucmat.2022.153889 ↗
2. Elastic and plastic accommodation effects on metal-hydride solubility10.1016/0001-6160(84)90133-0 ↗
3. On the existence of a memory effect in hydride precipitation in cold-worked Zr-2.5% Nb10.1016/0022-3115(77)90260-4 ↗
4. The precipitation of γ-zirconium hydride in zirconium10.1016/0001-6160(78)90006-8 ↗
5. The precipitation of γ-hydride plates in zirconium10.1016/0001-6160(81)90074-2 ↗
6. Microstructure and formation mechanisms of δ-hydrides in variable grain size Zircaloy-4 studied by electron backscatter diffraction10.1016/j.actamat.2019.02.042 ↗
7. Critical comment to Letter to the Editor of G.A. McRae and C.E. Coleman published in Journal of Nuclear Materials 556 (2021) 15316910.1016/j.jnucmat.2022.153707 ↗
8. Atomic scale analysis of grain boundary deuteride growth front in Zircaloy-410.1016/j.scriptamat.2018.06.044 ↗
9. Hydride growth mechanism in zircaloy-4: investigation of the partitioning of alloying elements10.1016/j.mtla.2021.101006 ↗
10. The Zr α-phase/(α-phase + hydride) transformation should obey the phase rule10.1016/j.jnucmat.2021.153169 ↗
11. The effect of δ-hydride on the micromechanical deformation of a Zr alloy studied by in situ high angular resolution electron backscatter diffraction10.1016/j.scriptamat.2019.08.006 ↗
12. The precipitation of zirconium hydride in zirconium and Zircaloy-210.1016/0022-3115(72)90021-9 ↗
13. The first step for delayed hydride cracking in zirconium alloys10.1016/j.jnucmat.2009.08.019 ↗
14. Dislocation modelling of the plastic relaxation and thermal ratchetting induced by zirconium hydride precipitation10.1016/j.jmps.2022.104988 ↗
15. Hysteresis in martensitic transformations10.1016/0001-6160(67)90151-4 ↗