Progress in the thermodynamic modelling of the O–U binary system

P.-Y. Chevalier, E. Fischer, B. Cheynet

Journal of Nuclear Materials 303 (1) 1-28 (2002) · Elsevier BV

DOI: 10.1016/s0022-3115(02)00813-9

Data: JSON record · id doi:10.1016/s0022-3115(02)00813-9 · metadata: crossref

Roles in ORCHID

• read by ORCHID (values extracted): 645 released values
• assessment behind a TDB file: UO-02Che.tdb (O–U)

Systems

O–U

Evidence in ORCHID

645 values read from this paper (634 accepted), from 11 tables and 12 text passages.

ESPEI datasets derived: 11 (experimental/O-U/UO-02Che.zpf-00.json …).

Phase-registry phases citing it: phase:o-u:a20-orthorhombic, phase:o-u:bcc-a2, phase:o-u:fcc-a1, phase:o-u:gas, phase:o-u:hcp-a3, phase:o-u:liquid, phase:o-u:o2gas, phase:o-u:u-tetragonal, phase:o-u:u3o8, phase:o-u:u4o9, phase:o-u:uo2-c1, phase:o-u:uo3

Availability

Read by ORCHID: yes (values_extracted). Open-access licence (Crossref license field): none deposited. Crossref is-referenced-by count: 79 (retrieved 2026-10-23).

Relations

Cited by (Crossref reference lists) (12)

• O-Pu-U (Oxygen-Plutonium-Uranium) (2007) [crossref_reference_list]
• O-U (Oxygen-Uranium) (2007) [crossref_reference_list]
• Progress in the thermodynamic modelling of the O–U–Zr ternary system (2004) [crossref_reference_list]
• The SGTE collection of binary datasets (2025) [crossref_reference_list]
• Stability evaluation of fluorite structure phases in ZrO2-MO2 (M=Th, U, Pu, Ce) systems by thermodynamic modelling (2004) [crossref_reference_list]
• Solidus and liquidus of plutonium and uranium mixed oxide (2008) [crossref_reference_list]
• Phase relation assessment for O–Pu–U ternary system (2004) [crossref_reference_list]
• Melting of stoichiometric and hyperstoichiometric uranium dioxide (2005) [crossref_reference_list]
• New modelling of the U–O–Zr phase diagram in the hyper-stoichiometric region and consequences for the fuel rod liquefaction in oxidising conditions (2008) [crossref_reference_list]
• Thermodynamic modelling and phase stability assessment of MO2− oxides with a fluorite structure (2003) [crossref_reference_list]
• The thermodynamics of U-Zr-Fe-O melts (2007) [crossref_reference_list]
• O-Pu-U Ternary Phase Diagram Evaluation (2007) [crossref_reference_list]

References (Crossref, publisher-deposited) (35)

• Bildungswärmen der Oxyde von Vanadium und Uran (1912) [crossref_reference_list]
• Heats of formation of PuO2 AND U3O8 (1957) [crossref_reference_list]
• The high temperature phase diagrams for zirconium-molybdenum and hafnium-molybdenum (1977) [crossref_reference_list]
• Enthalpies of formation of triuranium octaoxide and uranium dioxide (1969) [crossref_reference_list]
• Enthalpy of UO2.25 to 1600 K by drop calorimetry (1972) [crossref_reference_list]
• Thermochemistry of uranium compounds XI. Standard enthalpy of formation of γ-UO3 (1978) [crossref_reference_list]
• Equilibrium pressures and phase relations in the uranium oxide system (1961) [crossref_reference_list]
• Equilibrium oxygen pressures over the nonstoicheiometric uranium oxides UO2+x and U3O8−z at higher temperatures (1966) [crossref_reference_list]
• Metallographic determination of the UO2-U409 phase diagram (1960) [crossref_reference_list]
• Les equilibres des composes oxygenes de l'uranium entre 1500 ET 2000° K (1963) [crossref_reference_list]
• Melting temperatures in the system uranium — Uranium dioxide (1967) [crossref_reference_list]
• Total pressure of uranium-bearing species over oxygen-deficient urania (1970) [crossref_reference_list]
• Determination of solidus-liquidus temperatures in the uo2 + x system (−0.50<x<0.20) (1970) [crossref_reference_list]
• On the phase limits of U4O9 (1970) [crossref_reference_list]
• A physicochemical study of the uranium-oxygen system between UO2.65 and UO2.67 (1978) [crossref_reference_list]
• Solubility of oxygen in liquid uranium and the composition of the lower phase boundary of uranium dioxide at 1950 K (1980) [crossref_reference_list]
• Etude thermodynamique du systeme uranium-oxygene a 1050°C (1981) [crossref_reference_list]
• Equilibrium oxygen partial pressure and phase diagram of the uranium-oxygen system in the composition range between 844 and 1371 K (1984) [crossref_reference_list]
• Thermodynamic study of UO2 +x by solid state emf technique (1987) [crossref_reference_list]
• Study on U4O9—part I. An anomaly of the heat capacity near the room temperature (1965) [crossref_reference_list]
• X-ray study on a phase transition and a phase diagram in the U4O9 phase (1970) [crossref_reference_list]
• SGTE data for pure elements (1991) [crossref_reference_list]
• Thermodynamic modelling of the O–U–Zr system (1998) [crossref_reference_list]
• Algebraic Representation of Thermodynamic Properties and the Classification of Solutions (1948) [crossref_reference_list]
• Thermodynamics study of the urania-uranium system (1969) [crossref_reference_list]
• λ-Type Thermal Anomaly in Tetrauranium Enneaoxide at 348°K. (1965) [crossref_reference_list]
• Oxygen Dissociation Pressures over Uranium Oxides (1958) [crossref_reference_list]
• The Heats of Combustion of Thorium and Uranium^1,2,3 (1952) [crossref_reference_list]
• The Heat Capacity and Thermodynamic Functions of Tetrauranium Nonoxide from 5 to 310°K.¹ (1957) [crossref_reference_list]
• Enthalpies of solution and formation of some uranium oxides (1967) [crossref_reference_list]
• System UO3+ U3O8: dissociation pressure of ?-UO3 (1965) [crossref_reference_list]
• High-Temperature Thermodynamic Properties of Oxygen-Deficient Urania (1968) [crossref_reference_list]
• The Heat Capacities of Uranium, Uranium Trioxide, and Uranium Dioxide from 15°K to 300°K (1952) [crossref_reference_list]
• Electrical Properties of Nonstoichiometric Uranium Dioxide (1961) [crossref_reference_list]
• High-Temperature Electrochemical Study of Uranium Oxides in the UO2-U3O8 Region. (1962) [crossref_reference_list]

Cites (values carry this citation) (31)

• Determination of solidus-liquidus temperatures in the uo2 + x system (−0.50<x<0.20) (1970) — 63 values [orchid_extraction]
• Thermodynamic study of UO2 +x by solid state emf technique (1987) — 23 values [orchid_extraction]
• Oxygen Dissociation Pressures over Uranium Oxides (1958) — 17 values [orchid_extraction]
• Equilibrium pressures and phase relations in the uranium oxide system (1961) — 15 values [orchid_extraction]
• Melting temperatures in the system uranium — Uranium dioxide (1967) — 12 values [orchid_extraction]
• Metallographic determination of the UO2-U409 phase diagram (1960) — 10 values [orchid_extraction]
• Thermodynamics study of the urania-uranium system (1969) — 10 values [orchid_extraction]
• Electrical Properties of Nonstoichiometric Uranium Dioxide (1961) — 10 values [orchid_extraction]
• Equilibrium oxygen partial pressure and phase diagram of the uranium-oxygen system in the composition range between 844 and 1371 K (1984) — 8 values [orchid_extraction]
• High-Temperature Electrochemical Study of Uranium Oxides in the UO2-U3O8 Region. (1962) — 8 values [orchid_extraction]
• Total pressure of uranium-bearing species over oxygen-deficient urania (1970) — 7 values [orchid_extraction]
• High-Temperature Thermodynamic Properties of Oxygen-Deficient Urania (1968) — 7 values [orchid_extraction]
• Les equilibres des composes oxygenes de l'uranium entre 1500 ET 2000° K (1963) — 6 values [orchid_extraction]
• X-ray study on a phase transition and a phase diagram in the U4O9 phase (1970) — 6 values [orchid_extraction]
• Equilibrium oxygen pressures over the nonstoicheiometric uranium oxides UO2+x and U3O8−z at higher temperatures (1966) — 5 values [orchid_extraction]
• On the phase limits of U4O9 (1970) — 5 values [orchid_extraction]
• A physicochemical study of the uranium-oxygen system between UO2.65 and UO2.67 (1978) — 5 values [orchid_extraction]
• Bildungswärmen der Oxyde von Vanadium und Uran (1912) — 2 values [orchid_extraction]
• Enthalpies of formation of triuranium octaoxide and uranium dioxide (1969) — 2 values [orchid_extraction]
• Solubility of oxygen in liquid uranium and the composition of the lower phase boundary of uranium dioxide at 1950 K (1980) — 2 values [orchid_extraction]
• Etude thermodynamique du systeme uranium-oxygene a 1050°C (1981) — 2 values [orchid_extraction]
• Enthalpies of solution and formation of some uranium oxides (1967) — 2 values [orchid_extraction]
• System UO3+ U3O8: dissociation pressure of ?-UO3 (1965) — 2 values [orchid_extraction]
• Heats of formation of PuO2 AND U3O8 (1957) — 1 values [orchid_extraction]
• Enthalpy of UO2.25 to 1600 K by drop calorimetry (1972) — 1 values [orchid_extraction]
• Thermochemistry of uranium compounds XI. Standard enthalpy of formation of γ-UO3 (1978) — 1 values [orchid_extraction]
• Study on U4O9—part I. An anomaly of the heat capacity near the room temperature (1965) — 1 values [orchid_extraction]
• λ-Type Thermal Anomaly in Tetrauranium Enneaoxide at 348°K. (1965) — 1 values [orchid_extraction]
• The Heats of Combustion of Thorium and Uranium^1,2,3 (1952) — 1 values [orchid_extraction]
• The Heat Capacity and Thermodynamic Functions of Tetrauranium Nonoxide from 5 to 310°K.¹ (1957) — 1 values [orchid_extraction]
• The Heat Capacities of Uranium, Uranium Trioxide, and Uranium Dioxide from 15°K to 300°K (1952) — 1 values [orchid_extraction]

TDB files modelling its system (2)

• tdb:UO-02Che.tdb [sgte_tdb_header]
• tdb:UO-02Che.tdb [orchid_literature_model_link]

Reassessed by (2)

• Progress in the thermodynamic modelling of the O–U–Zr ternary system (2004) [citation+same-system]
• New modelling of the U–O–Zr phase diagram in the hyper-stoichiometric region and consequences for the fuel rod liquefaction in oxidising conditions (2008) [citation+same-system]

Data papers used (31)

• Determination of solidus-liquidus temperatures in the uo2 + x system (−0.50<x<0.20) (1970) — 63 values [orchid_extraction]
• Thermodynamic study of UO2 +x by solid state emf technique (1987) — 23 values [orchid_extraction]
• Oxygen Dissociation Pressures over Uranium Oxides (1958) — 17 values [orchid_extraction]
• Equilibrium pressures and phase relations in the uranium oxide system (1961) — 15 values [orchid_extraction]
• Melting temperatures in the system uranium — Uranium dioxide (1967) — 12 values [orchid_extraction]
• Metallographic determination of the UO2-U409 phase diagram (1960) — 10 values [orchid_extraction]
• Thermodynamics study of the urania-uranium system (1969) — 10 values [orchid_extraction]
• Electrical Properties of Nonstoichiometric Uranium Dioxide (1961) — 10 values [orchid_extraction]
• Equilibrium oxygen partial pressure and phase diagram of the uranium-oxygen system in the composition range between 844 and 1371 K (1984) — 8 values [orchid_extraction]
• High-Temperature Electrochemical Study of Uranium Oxides in the UO2-U3O8 Region. (1962) — 8 values [orchid_extraction]
• Total pressure of uranium-bearing species over oxygen-deficient urania (1970) — 7 values [orchid_extraction]
• High-Temperature Thermodynamic Properties of Oxygen-Deficient Urania (1968) — 7 values [orchid_extraction]
• Les equilibres des composes oxygenes de l'uranium entre 1500 ET 2000° K (1963) — 6 values [orchid_extraction]
• X-ray study on a phase transition and a phase diagram in the U4O9 phase (1970) — 6 values [orchid_extraction]
• Equilibrium oxygen pressures over the nonstoicheiometric uranium oxides UO2+x and U3O8−z at higher temperatures (1966) — 5 values [orchid_extraction]
• On the phase limits of U4O9 (1970) — 5 values [orchid_extraction]
• A physicochemical study of the uranium-oxygen system between UO2.65 and UO2.67 (1978) — 5 values [orchid_extraction]
• Bildungswärmen der Oxyde von Vanadium und Uran (1912) — 2 values [orchid_extraction]
• Enthalpies of formation of triuranium octaoxide and uranium dioxide (1969) — 2 values [orchid_extraction]
• Solubility of oxygen in liquid uranium and the composition of the lower phase boundary of uranium dioxide at 1950 K (1980) — 2 values [orchid_extraction]
• Etude thermodynamique du systeme uranium-oxygene a 1050°C (1981) — 2 values [orchid_extraction]
• Enthalpies of solution and formation of some uranium oxides (1967) — 2 values [orchid_extraction]
• System UO3+ U3O8: dissociation pressure of ?-UO3 (1965) — 2 values [orchid_extraction]
• Heats of formation of PuO2 AND U3O8 (1957) — 1 values [orchid_extraction]
• Enthalpy of UO2.25 to 1600 K by drop calorimetry (1972) — 1 values [orchid_extraction]
• Thermochemistry of uranium compounds XI. Standard enthalpy of formation of γ-UO3 (1978) — 1 values [orchid_extraction]
• Study on U4O9—part I. An anomaly of the heat capacity near the room temperature (1965) — 1 values [orchid_extraction]
• λ-Type Thermal Anomaly in Tetrauranium Enneaoxide at 348°K. (1965) — 1 values [orchid_extraction]
• The Heats of Combustion of Thorium and Uranium^1,2,3 (1952) — 1 values [orchid_extraction]
• The Heat Capacity and Thermodynamic Functions of Tetrauranium Nonoxide from 5 to 310°K.¹ (1957) — 1 values [orchid_extraction]
• The Heat Capacities of Uranium, Uranium Trioxide, and Uranium Dioxide from 15°K to 300°K (1952) — 1 values [orchid_extraction]