Site specific dependencies of hydrogen concentrations in zirconium hydrides

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

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Site specific dependencies of hydrogen concentrations in zirconium hydrides. / Tunes, Matheus A.; Silva, Chinthaka M.; Edmondson, Philip D.
in: Scripta Materialia, Jahrgang 158.2019, Nr. 1 January, 2019, S. 136-140.

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

Vancouver

Tunes MA, Silva CM, Edmondson PD. Site specific dependencies of hydrogen concentrations in zirconium hydrides. Scripta Materialia. 2019;158.2019(1 January):136-140. Epub 2018 Sep 5. doi: 10.1016/j.scriptamat.2018.08.044, https://doi.org/10.1016/j.scriptamat.2018.08.044

Author

Tunes, Matheus A. ; Silva, Chinthaka M. ; Edmondson, Philip D. / Site specific dependencies of hydrogen concentrations in zirconium hydrides. in: Scripta Materialia. 2019 ; Jahrgang 158.2019, Nr. 1 January. S. 136-140.

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@article{2800934b067c4df2a13aa09ebb1b069f,
title = "Site specific dependencies of hydrogen concentrations in zirconium hydrides",
abstract = "Zircaloy-4 specimens were H-charged up to 1230 wppmH. Intra-, inter- and trans-granular zirconium hydride precipitates (or ZrH2−x where 1/(2 − x) is the Zr/H molar ratio) were observed throughout the α-Zr matrix. Transmission Electron Microscopy and electron diffraction confirmed that the ZrH2−x precipitates were face-centred cubic structures consistent with the δ-ZrH2−x phase. Electron Energy Loss Spectroscopy analysis of the δ-ZrH2−x precipitates at three different nucleation spots displayed shifts in the plasmon energy loss peaks that can be attributed to local variations of the H content of the δ-ZrH2−x precipitates rather than the presence of different ZrH2−x phases as has previously been assumed.",
keywords = "Electron Energy Loss Spectroscopy, Jahn-Teller effect, Transmission electron microscopy, Zirconium hydrides",
author = "Tunes, {Matheus A.} and Silva, {Chinthaka M.} and Edmondson, {Philip D.}",
year = "2019",
doi = "10.1016/j.scriptamat.2018.08.044",
language = "English",
volume = "158.2019",
pages = "136--140",
journal = "Scripta Materialia",
issn = "1359-6462",
publisher = "Elsevier",
number = "1 January",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Site specific dependencies of hydrogen concentrations in zirconium hydrides

AU - Tunes, Matheus A.

AU - Silva, Chinthaka M.

AU - Edmondson, Philip D.

PY - 2019

Y1 - 2019

N2 - Zircaloy-4 specimens were H-charged up to 1230 wppmH. Intra-, inter- and trans-granular zirconium hydride precipitates (or ZrH2−x where 1/(2 − x) is the Zr/H molar ratio) were observed throughout the α-Zr matrix. Transmission Electron Microscopy and electron diffraction confirmed that the ZrH2−x precipitates were face-centred cubic structures consistent with the δ-ZrH2−x phase. Electron Energy Loss Spectroscopy analysis of the δ-ZrH2−x precipitates at three different nucleation spots displayed shifts in the plasmon energy loss peaks that can be attributed to local variations of the H content of the δ-ZrH2−x precipitates rather than the presence of different ZrH2−x phases as has previously been assumed.

AB - Zircaloy-4 specimens were H-charged up to 1230 wppmH. Intra-, inter- and trans-granular zirconium hydride precipitates (or ZrH2−x where 1/(2 − x) is the Zr/H molar ratio) were observed throughout the α-Zr matrix. Transmission Electron Microscopy and electron diffraction confirmed that the ZrH2−x precipitates were face-centred cubic structures consistent with the δ-ZrH2−x phase. Electron Energy Loss Spectroscopy analysis of the δ-ZrH2−x precipitates at three different nucleation spots displayed shifts in the plasmon energy loss peaks that can be attributed to local variations of the H content of the δ-ZrH2−x precipitates rather than the presence of different ZrH2−x phases as has previously been assumed.

KW - Electron Energy Loss Spectroscopy

KW - Jahn-Teller effect

KW - Transmission electron microscopy

KW - Zirconium hydrides

UR - http://www.scopus.com/inward/record.url?scp=85052854127&partnerID=8YFLogxK

U2 - 10.1016/j.scriptamat.2018.08.044

DO - 10.1016/j.scriptamat.2018.08.044

M3 - Article

AN - SCOPUS:85052854127

VL - 158.2019

SP - 136

EP - 140

JO - Scripta Materialia

JF - Scripta Materialia

SN - 1359-6462

IS - 1 January

ER -