The Pu–U–Am system: An ab initio informed CALPHAD thermodynamic study

A. Perron, P.E.A. Turchi, A. Landa, P. Söderlind, B. Ravat, B. Oudot, F. Delaunay

Journal of Nuclear Materials 458 425-441 (2015) · Elsevier BV

DOI: 10.1016/j.jnucmat.2014.12.101

Data: JSON record · id doi:10.1016/j.jnucmat.2014.12.101 · metadata: crossref

Roles in ORCHID

• read by ORCHID (values extracted): 6 released values
• assessment behind a TDB file: AmU-15Per.tdb (Am–U), PuU-15Per.tdb (Pu–U)
• discovery lead (found by Crossref assessment discovery, not read): rank 571, score 107; systems named in title: Am–Pu–U

Systems

Am–U, Pu–U, Am–Pu–U

Evidence in ORCHID

6 values read from this paper (0 accepted), from 0 tables and 3 text passages.

Phase-registry phases citing it: phase:am-u:a20-orthorhombic, phase:am-u:bcc-a2, phase:am-u:dhcp-a3, phase:am-u:fcc-a1, phase:am-u:hcp-a3, phase:am-u:liquid, phase:am-u:u-tetragonal, phase:pu-u:a20-orthorhombic, phase:pu-u:a6-tetragonal, phase:pu-u:bcc-a2, phase:pu-u:fcc-a1, phase:pu-u:hcp-a3, phase:pu-u:liquid, phase:pu-u:pu-alpha, phase:pu-u:pu-beta, phase:pu-u:pu-gamma, phase:pu-u:puu-eta, phase:pu-u:puu-zeta, phase:pu-u:u-tetragonal

Availability

Read by ORCHID: yes (values_extracted). Open-access licence (Crossref license field): none deposited. Crossref is-referenced-by count: 16 (retrieved 2026-10-23).

Relations

Cited by (Crossref reference lists) (5)

• The Application of CALPHAD Calculations to Uranium-Based Metallic Nuclear Fuels (2018) [crossref_reference_list]
• The SGTE collection of binary datasets (2025) [crossref_reference_list]
• Thermodynamic assessments and inter-relationships between systems involving Al, Am, Ga, Pu, and U (2016) [crossref_reference_list]
• Comprehensive Assessment and Thermodynamic Modeling of the Pu-Ni system (2026) [crossref_reference_list]
• Development of a CALPHAD Thermodynamic Database for Pu-U-Fe-Ga Alloys (2019) [crossref_reference_list]

References (Crossref, publisher-deposited) (13)

• The plutonium-americium system (1966) [crossref_reference_list]
• Alloying behaviour among U, Np, Pu and Am predicted with the Brewer valence bond model (1993) [crossref_reference_list]
• Density-functional study of Zr-based actinide alloys: 2. U–Pu–Zr system (2009) [crossref_reference_list]
• A thermodynamic study of the Pu–Am–O system (2011) [crossref_reference_list]
• Thermodynamic assessment of the Am–Pu system with input from ab initio (2011) [crossref_reference_list]
• The U–Ti system: Strengths and weaknesses of the CALPHAD method (2011) [crossref_reference_list]
• Thermodynamic re-assessment of the Pu–U system and its application to the ternary Pu–U–Ga system (2014) [crossref_reference_list]
• Thermodynamic assessment of the Pu-U, Pu-Zr, and Pu-U-Zr systems (1999) [crossref_reference_list]
• Algebraic Representation of Thermodynamic Properties and the Classification of Solutions (1948) [crossref_reference_list]
• Thermodynamic database on U-Pu-Zr-Np-Am-Fe alloy system I — Re-evaluation of U-Pu-Zr alloy system - (2010) [crossref_reference_list]
• Thermodynamic database on U-Pu-Zr-Np-Am-Fe alloy system II — Evaluation of Np, Am, and Fe containing systems- (2010) [crossref_reference_list]
• Am-Pu (americium-plutonium) (1999) [crossref_reference_list]
• Am-U (americium-uranium) (1999) [crossref_reference_list]

Cites (values carry this citation) (2)

• Thermodynamic re-assessment of the Pu–U system and its application to the ternary Pu–U–Ga system (2014) — 1 values [orchid_extraction]
• Thermodynamic database on U-Pu-Zr-Np-Am-Fe alloy system I — Re-evaluation of U-Pu-Zr alloy system - (2010) — 1 values [orchid_extraction]

TDB files modelling its system (2)

• tdb:AmU-15Per.tdb [sgte_tdb_header]
• tdb:PuU-15Per.tdb [sgte_tdb_header]

Reassesses (cites an earlier assessment of the same system) (2)

• Alloying behaviour among U, Np, Pu and Am predicted with the Brewer valence bond model (1993) [citation+same-system]
• Thermodynamic assessment of the Pu-U, Pu-Zr, and Pu-U-Zr systems (1999) [citation+same-system]

Data papers used (2)

• Thermodynamic re-assessment of the Pu–U system and its application to the ternary Pu–U–Ga system (2014) — 1 values [orchid_extraction]
• Thermodynamic database on U-Pu-Zr-Np-Am-Fe alloy system I — Re-evaluation of U-Pu-Zr alloy system - (2010) — 1 values [orchid_extraction]