Journal ArticleDOI
The habit planes of zirconium hydride in zirconium and zircaloy
TLDR
In this article, the habit planes for precipitation of zirconium hydride in Zircaloy-2 and Zircalooy-4 have been determined to be {1017}.About:
This article is published in Journal of Nuclear Materials.The article was published on 1968-05-01. It has received 99 citations till now. The article focuses on the topics: Zirconium hydride & Zirconium alloy.read more
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Hydrogen Embrittlement Understood
Ian M. Robertson,Ian M. Robertson,Petros Athanasios Sofronis,Petros Athanasios Sofronis,Akihide Nagao,May L. Martin,Shuai Wang,Shuai Wang,D. W. Gross,Kelly E. Nygren +9 more
TL;DR: The connection between hydrogen-enhanced plasticity and the hydrogen-induced fracture mechanism and pathway is established through examination of the evolved microstructural state immediately beneath fracture surfaces including voids, quasi-cleavage, and intergranular surfaces as discussed by the authors.
Journal ArticleDOI
Hydrogen Embrittlement Understood
Ian M. Robertson,Ian M. Robertson,Petros Athanasios Sofronis,Petros Athanasios Sofronis,Akihide Nagao,May L. Martin,Shuai Wang,Shuai Wang,D. W. Gross,Kelly E. Nygren +9 more
TL;DR: The connection between hydrogen-enhanced plasticity and the hydrogen-induced fracture mechanism and pathway is established through examination of the evolved microstructural state immediately beneath fracture surfaces including voids, quasi-cleavage, and intergranular surfaces as discussed by the authors.
Journal ArticleDOI
The precipitation of zirconium hydride in zirconium and zircaloy-2
TL;DR: In this paper, a martensitic mechanism is proposed for the formation of twinned hydride and twinned and untwinned γ-hydrides, and its implications for the precipitation behaviour of hydrides in the can of a reactor fuel element are outlined.
Journal ArticleDOI
Hydride precipitates in zirconium alloys (A review)
TL;DR: In this paper, the physical appearance of the room temperature hydride phase in zirconium alloys is described, with particular reference to the orientation of the hydrate platelets relative to specified reference directions.
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HYDRIDE PRECIPITATION IN α/β ZIRCONIUM ALLOYS
TL;DR: In this article, the formation of macroscopic hydride stacks is investigated and the role of the texture of the alloy and of a stress acting on the basal planes in determining the orientation of the stacks is explained.
References
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Electron microscope observations on the precipitation of zirconium hydride in zirconium
TL;DR: In this article, a study of the precipitation of zirconium hydride at hydrogen concentrations in the range 100-1000 p.p.m. using the transmission electron microscopy technique was made.
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Influence of fabrication history on stress-oriented hydrides in zircaloy tubing
TL;DR: In this paper, the authors measured the stress orientation of hydride platelets and crystalline textures of seamless Zircaloy tubing and found that the susceptibility to stress orientation was very high for the hot-reduced tube; essentially 100% of the hydrides were reoriented at moderate stress levels.
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The orientation of zirconium hydride on grain boundaries in zircaloy-2
TL;DR: An electron microscopic investigation on the orientation relationships between grains having hydrides in their boundaries has been carried out on Zircaloy-2 as discussed by the authors, where all other habit planes recorded by other workers were found to operate for the precipitation of zirconium hydride.
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A Study of the Zirconium-Hydrogen and Zirconium-Hydrogen–Uranium Systems between 600 and 800°
TL;DR: In this article, the H Zr and H-U-Zr systems were investigated at various temperatures between 600 and 800 °C by means of hydrogen-dissociation-pressure measurements in conjunction with high-temperature x-ray diffraction techniques.
Journal ArticleDOI
Disposition of hydrogen in quenched zirconium-hydrogen alloys☆
TL;DR: In this article, transmission electron microscopy was used to study the disposition of hydrogen in quenched zirconium-hydrogen alloys, and it was shown that hydrogen in interstitial solid solution at 573° K was not retained in supersaturated solution by quenching in water.