On the phase limits of U4O9

W. Van Lierde; J. Pelsmaekers; A. Lecocq-Robert

doi:10.1016/0022-3115(70)90157-1

On the phase limits of U₄O₉

W. Van Lierde, J. Pelsmaekers, A. Lecocq-Robert

Research output › peer-review

Abstract

The homogeneity range of the U₄O₉ phase has been determined by X-ray analysis, metallography, chemical analysis and electron microscopy. It extends from O/U = 2.235 to 2.240 at 1100 °C and from O/U = 2.235 to 2.245 at room temperature, excluding the stoichiometric composition O/U = 2.250. The U₄O_9-y, to UO_2+x transition at 1125 °C is interpreted as an order-disorder transformation.

Original language	English
Pages (from-to)	276-285
Number of pages	10
Journal	Journal of Nuclear Materials
Volume	37
Issue number	3
DOIs	https://doi.org/10.1016/0022-3115(70)90157-1
State	Published - Dec 1970

ASJC Scopus subject areas

Nuclear and High Energy Physics
General Materials Science
Nuclear Energy and Engineering

Access to Document

10.1016/0022-3115(70)90157-1

Cite this

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title = "On the phase limits of U4O9",

abstract = "The homogeneity range of the U4O9 phase has been determined by X-ray analysis, metallography, chemical analysis and electron microscopy. It extends from O/U = 2.235 to 2.240 at 1100 °C and from O/U = 2.235 to 2.245 at room temperature, excluding the stoichiometric composition O/U = 2.250. The U4O9-y, to UO2+x transition at 1125 °C is interpreted as an order-disorder transformation.",

author = "{Van Lierde}, W. and J. Pelsmaekers and A. Lecocq-Robert",

year = "1970",

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AB - The homogeneity range of the U4O9 phase has been determined by X-ray analysis, metallography, chemical analysis and electron microscopy. It extends from O/U = 2.235 to 2.240 at 1100 °C and from O/U = 2.235 to 2.245 at room temperature, excluding the stoichiometric composition O/U = 2.250. The U4O9-y, to UO2+x transition at 1125 °C is interpreted as an order-disorder transformation.

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