NUCL: IRSN NUCLEA-Nuclear Alloys-Oxides Database Revision History

• Updated binary system: Ag-In as taken from E. Fischer et al., Calphad, 64:292–305, 2019.
• Change to B-Ni: The name of the compound B0414NI0586 is changed to B7NI10.

A bug fix for the pseudo binary system, Ba-Ca-O BaO-CaO

Change of name for three ternary stoichiometric phases:

• Fe-U-Zr: The name of the ternary stoichiometric phases, FE333U250ZR417(e), FE6U71ZR23(l), and FE503U18ZR32(k) are changed to FE4U3ZR5, FE6U71ZR23, and FE253U9ZR16, respectively.

Two new systems and one reassessment:

• Al-Ca-O-Zr: Modeling of the CaO-Al₂O₃-ZrO₂ pseudo-ternary system
• Al-O-Si-Zr: Reassessment of the Al₂O₃-SiO₂-ZrO₂ pseudo-ternary system
• Ca-Mg-O-Zr: Modeling of the CaO-MgO-ZrO₂ pseudo-ternary system

• Ag-Mg: The lattice-stability of Mg (FCC_A1) available in the Unary 5.0 SGTE database taken into account.
• Ag-Zr: Change of the decomposition nature of AG1ZR1 and AG1ZR2, to congruent and peritectic respectively
• Al-Fe: Sundman et al., Acta Materialia, 57(10):2896–2908, 2009.
• Al-Mg: Liang et al. Z. Metallkde., 89(8):536–540, 1998.
• B-Cr: Revision of the thermodynamic properties of the stoichiometric phases.
• B-Ni: Sun et al., International Journal of Materials Research, 100:59–67, 2009.
• B-Si: The lattice-stability of metastable B(dia_A4) available in the Unary 5.0 SGTE database taken into account
• Ba-Mg: Error correction
• Ba-Si: Three additional stoichiometric phases, BA2SI1, BA5SI3, BA1SI1, BA3SI4.
• Ca-La: FCC_A1 is not more stable above 1500 K.
• Cr-Ru: The lattice-stability of Ru(BCC_A2) available in the Unary 5.0 SGTE database taken into account
• Cr-Zr: Yang et al. Journal of Nuclear Materials, 441(1-3):190–202, 2013.
• Fe-Ni: Introduction of the FeNi₃ phase as a stoichiometric phase.
• Fe-Ru: The lattice-stability of Ru(BCC_A2) available in the Unary 5.0 SGTE database taken into account
• Fe-Si: Y. Yuan et al. Calphad, 44:54–61, 2014.
• Fe-U: The lattice-stabilities of Fe(ORT_A20) and Fe(TET) available in the Unary 5.0 SGTE database taken into account
• In-Mg: The lattice-stabilities of Mg(FCC_A1) and In(FCC_A1) available in the Unary 5.0 SGTE database taken into account.
• In-O: Improvement of the modeling of solubility of oxygen in indium liquid
• La-Mg: F. Zhang, Journal of Alloys and Compounds, 663:279–288, 2016.
• La-U: Improvement of liquid thermodynamic properties
• La-Zr: N. Mattern et al. Calphad, 52:8–20, 2016.
• Mg-U: The lattice-stability of U (hcp_A3) available in the Unary 5.0 SGTE database taken into account.
• Mg-Zr: R. Arroyave et al., Calphad, 29(3):230–238, 2005.
• Ni-U: The lattice-stability of U (FCC_A2) available in the Unary 5.0 SGTE database taken into account
• Ru-U: The lattice-stability of Ru (BCC_A2) and U (hcp_A3) available in the Unary 5.0 SGTE database taken into account. The Ru3U compound is now modeled as a solution phase, CxRU3U1(SS).
• Si-Sr: Li et al. System. Calphad, 35(4):594–600, 2011.

Al-Ba-O Al₂O₃-BaO

• Introducing two new stoichiometric compounds in the BaO-rich region, AL2BA4O7(S), and AL2BA7O10(S)

Al-La-O Al₂O₃-La₂O₃

• Improvement of AlLaO₃ thermodynamic properties.

Al-O-Sr Al₂O₃-SrO

• Al1₂SrO₁₉ melts congruently whereas its decomposition was previously considered to be peritectic.

Ba-O-Si BaO-SiO₂

• Additional compound in the BaO-rich part, BA3O5SI1(S).

Ca-O-Sr CaO-SrO

• Improvement with consideration of new experimental data.

Ca-O-Zr CaO-ZrO₂

• Description of the solubility of CaO in the ZrO₂ tetragonal phase, and the solubility of ZrO₂ in the CaO FCC_B1.

In-O-Zr In₂O₃-ZrO₂

• Improvement of the modeling in the zirconia-rich region.

La-O-U La₂O₃-UO₂

• Improvement of the oxygen potential above the solid solution FCC_C1.

La-O-Si La₂O₃-SiO₂

• Improvement of the thermodynamic properties of La₂Si₂O₇

O-Si-Sr SiO₂-SrO

• Improvement with consideration of new experimental data.

O-Si-Zr SiO₂-ZrO₂

• Improvement of the description of the ZrSiO₄ compound (thermodynamic properties and decomposition temperature)

• C-O-Zr: Improvement with consideration of new experimental data.
• Cr-O-Zr: Modeling of the ternary system in the metallic-oxidic part.
• Reassessment of the Fe-O-U, Fe-O-Zr, and O-U-Zr systems.

Ca-O-Si-Zr: Modeling of the CaO-SiO₂-ZrO₂ pseudo-ternary system

The description of some binary systems are improved:

• Ag-Al: improved limits of the FCC_A1+HCP_A3 biphasic domain.
• Ag-B: added LIQUID miscibility gap.
• Al-In: improved limits of the LIQUID miscibility gap.
• Al-Zr: added Al3Zr4(S) and improved modeling of the stoichiometric condensed phases.
• B-C: BETA_B decomposition changed to peritectic.
• C-U: C3U2(S) made unstable at low temperature.
• Cr-La: improved modeling of LIQUID.
• Cr-O: improved modeling of LIQUID.
• In−Zr: added In1Zr1(S), In2Zr1(S), In1Zr2(S); In3Zr1(S) decomposition changed to peritectic.
• La -Ni: added La5Ni19(S).

The description of some ternary systems are improved:

• Al-O-Fe: Al₂FeO₄ decomposition changed to peritectic in AlO1.5-FeO; SPINEL domain extended in AlO1.5-FeO1.5.
• Ca-Cr-O: added assessment of CaO-CrO-Cr₂O₃ for oxygen partial pressures ranging from equilibrium with metallic chromium to PO2 = 10−3 atm.
• Cr-O-Si: added assessment of CrO-Cr₂O₃-SiO₂ for oxygen partial pressures ranging from equilibrium with metallic chromium to PO₂ = 0.21 atm.
• Ni-O-Si: improved limits of the LIQUID miscibility gap in NiO-SiO₂; improved modeling of Ni2O4Si1(S).

The description of some quaternary systems are improved:

• Al-Ca–Fe-O: added assessments of Al₂O₃-CaO-Fe₂O₃ and Al₂O₃-CaO-FeO.
• Al-Fe-O-Si: added assessments of Al₂O₃-Fe₂O₃-SiO₂ and Al₂O₃-FeO-SiO₂.
• Ca-Cr-O-Si: improved assessment of CaO-CrO-Cr₂O₃ for reducing conditions and for oxidizing conditions at low CaO-content; added Ca₃Cr₂O₁₂Si₃ (Uvarovite), Ca₅Cr₅O₅₀Si₂₀ (Gillespite).