The crystallographic structure of the air-grown oxide on depleted uranium metal

Christopher P. Jones; James R. Petherbridge; Sean A. Davis; Jonathan Jones; Thomas B. Scott

doi:10.1016/j.corsci.2016.05.036

The crystallographic structure of the air-grown oxide on depleted uranium metal

Christopher P. Jones, James R. Petherbridge, Sean A. Davis, Jonathan Jones, Thomas B. Scott

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Abstract

Oxide formation on depleted uranium metal was investigated using a combination of electron backscatter diffraction (EBSD) and transmission electron microscopy (TEM) characterisation. Diffraction analysis of the oxide revealed an FCC crystalline formation of UO₂ crystallites whilst TEM data indicated an average grain size of 12 nm with a standard deviation of 3.8 nm. EBSD analysis revealed a preferential texture of [110] normal to the surface of the metal. This data implied that lattice matching between the oxide and the underlying metal did not occur, therefore, the observed preferential growth direction is independent of the underlying crystal orientation.

Original language	English
Pages (from-to)	486–493
Number of pages	8
Journal	Corrosion Science
Volume	111
Early online date	25 May 2016
DOIs	https://doi.org/10.1016/j.corsci.2016.05.036
Publication status	Published - Oct 2016

Keywords

B. SEM
B. STEM
B. TEM
C. atmospheric corrosion
C. oxidation

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10.1016/j.corsci.2016.05.036

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Accepted author manuscript, 26.5 MBLicence: CC BY-NC-ND

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@article{db99b2b19f78463991cdcd5df96dca92,

title = "The crystallographic structure of the air-grown oxide on depleted uranium metal",

abstract = "Oxide formation on depleted uranium metal was investigated using a combination of electron backscatter diffraction (EBSD) and transmission electron microscopy (TEM) characterisation. Diffraction analysis of the oxide revealed an FCC crystalline formation of UO2 crystallites whilst TEM data indicated an average grain size of 12 nm with a standard deviation of 3.8 nm. EBSD analysis revealed a preferential texture of [110] normal to the surface of the metal. This data implied that lattice matching between the oxide and the underlying metal did not occur, therefore, the observed preferential growth direction is independent of the underlying crystal orientation.",

keywords = "B. SEM, B. STEM, B. TEM, C. atmospheric corrosion, C. oxidation",

author = "Jones, {Christopher P.} and Petherbridge, {James R.} and Davis, {Sean A.} and Jonathan Jones and Scott, {Thomas B.}",

year = "2016",

month = oct,

doi = "10.1016/j.corsci.2016.05.036",

language = "English",

volume = "111",

pages = "486–493",

journal = "Corrosion Science",

issn = "0010-938X",

publisher = "Elsevier Limited",

}

TY - JOUR

T1 - The crystallographic structure of the air-grown oxide on depleted uranium metal

AU - Jones, Christopher P.

AU - Petherbridge, James R.

AU - Davis, Sean A.

AU - Jones, Jonathan

AU - Scott, Thomas B.

PY - 2016/10

Y1 - 2016/10

N2 - Oxide formation on depleted uranium metal was investigated using a combination of electron backscatter diffraction (EBSD) and transmission electron microscopy (TEM) characterisation. Diffraction analysis of the oxide revealed an FCC crystalline formation of UO2 crystallites whilst TEM data indicated an average grain size of 12 nm with a standard deviation of 3.8 nm. EBSD analysis revealed a preferential texture of [110] normal to the surface of the metal. This data implied that lattice matching between the oxide and the underlying metal did not occur, therefore, the observed preferential growth direction is independent of the underlying crystal orientation.

AB - Oxide formation on depleted uranium metal was investigated using a combination of electron backscatter diffraction (EBSD) and transmission electron microscopy (TEM) characterisation. Diffraction analysis of the oxide revealed an FCC crystalline formation of UO2 crystallites whilst TEM data indicated an average grain size of 12 nm with a standard deviation of 3.8 nm. EBSD analysis revealed a preferential texture of [110] normal to the surface of the metal. This data implied that lattice matching between the oxide and the underlying metal did not occur, therefore, the observed preferential growth direction is independent of the underlying crystal orientation.

KW - B. SEM

KW - B. STEM

KW - B. TEM

KW - C. atmospheric corrosion

KW - C. oxidation

U2 - 10.1016/j.corsci.2016.05.036

DO - 10.1016/j.corsci.2016.05.036

M3 - Article (Academic Journal)

VL - 111

SP - 486

EP - 493

JO - Corrosion Science

JF - Corrosion Science

SN - 0010-938X

ER -

The crystallographic structure of the air-grown oxide on depleted uranium metal

Abstract

Keywords

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