# Ru–U system

> Ru–U system: 64 accepted literature values (invariant reaction 64) and 1 calculated phase diagram(s) from ORCHID, each value with evidence class, source, page and quote.

HTML: https://data.orchid-project.org/systems/RU-U.html · Markdown: https://data.orchid-project.org/systems/RU-U.md

64 accepted literature values from 1 paper(s) (experimental 42, model 22); 1 calculated phase diagram(s).

Data: [JSON](https://data.orchid-project.org/literature/systems/RU-U.json) · [CSV](https://data.orchid-project.org/systems/RU-U.csv) · [interactive explorer](https://orchid-project.org/data-explorer/#RU-U) · [interactive phase diagram](https://orchid-project.org/phase-diagrams/#RU-U/RuU-11Ber.json) · [phases (12)](https://data.orchid-project.org/phases/pages/RU-U.html) · [papers (bibliography)](https://data.orchid-project.org/bibliography/pages/systems/RU-U.html) · [Markdown](https://data.orchid-project.org/systems/RU-U.md)

Table: Accepted values by evidence class

| Evidence class | Values |
|---|---:|
| experimental | 42 |
| model | 22 |

Table: Accepted values by property group

| Property group | Values |
|---|---:|
| invariant reaction | 64 |

## Calculated phase diagrams

Binary phase diagrams calculated with pycalphad 0.11.2 from the SGTE binary collection (Hallstedt 2025, CC BY 4.0). Evidence class: model.

Table: Assessments with a calculated phase diagram

| TDB file | Assessment | SHA-256 | Links |
|---|---|---|---|
| RuU-11Ber.tdb | A. Berche, N. Dupin, C. Gueneau, C. Rado, B. Sundman, J.C. Dumas, J. Nucl. Mater., 411, 131-43(2011). [doi:10.1016/j.jnucmat.2011.01.043](https://doi.org/10.1016/j.jnucmat.2011.01.043) | `10085bc2e845e4f37b35baed191ababdbda85e4d413cad0b830de2feda135bb0` | [viewer](https://orchid-project.org/phase-diagrams/#RU-U/RuU-11Ber.json) · [TDB](https://orchid-project.org/data/databases/sgte-binary/RuU-11Ber.tdb) · [JSON](https://data.orchid-project.org/phase-diagrams/sgte/RuU-11Ber.json) |

Table: Calculated three-phase invariants (model, mole fraction of the second component)

| TDB file | T (K) | Phases at the invariant |
|---|---:|---|
| RuU-11Ber.tdb | 1848.87 | HCP_A3 (x(U) 3.000e-5) + LIQUID (x(U) 0.16047) + RU3U_L12 (x(U) 0.25) |
| RuU-11Ber.tdb | 1848.87 | HCP_A3 (x(U) 3.000e-5) + LIQUID (x(U) 0.16044) + RU3U_L12 (x(U) 0.25) |
| RuU-11Ber.tdb | 1466.23 | RU3U_L12 (x(U) 0.25) + RU5U3 (x(U) 0.375) + LIQUID (x(U) 0.44133) |
| RuU-11Ber.tdb | 1466.23 | RU3U_L12 (x(U) 0.25) + RU5U3 (x(U) 0.375) + LIQUID (x(U) 0.44132) |
| RuU-11Ber.tdb | 1451.77 | RU5U3 (x(U) 0.375) + RU4U3 (x(U) 0.42857) + LIQUID (x(U) 0.45122) |
| RuU-11Ber.tdb | 1451.77 | RU5U3 (x(U) 0.375) + RU4U3 (x(U) 0.42857) + LIQUID (x(U) 0.45123) |
| RuU-11Ber.tdb | 1411.57 | RU4U3 (x(U) 0.42857) + LIQUID (x(U) 0.50205) + RUU_HT (x(U) 0.52) |
| RuU-11Ber.tdb | 1411.57 | RU4U3 (x(U) 0.42857) + LIQUID (x(U) 0.50219) + RUU_HT (x(U) 0.52) |
| RuU-11Ber.tdb | 1411.57 | RU4U3 (x(U) 0.42857) + LIQUID (x(U) 0.50164) + RUU_HT (x(U) 0.52) |
| RuU-11Ber.tdb | 1407.99 | RU3U_L12 (x(U) 0.25) + BCC_A2 (x(U) 1) + LIQUID (x(U) 1) |
| RuU-11Ber.tdb | 1218.09 | RUU_HT (x(U) 0.52) + RUU2 (x(U) 0.66667) + LIQUID (x(U) 0.73002) |
| RuU-11Ber.tdb | 1218.09 | RUU_HT (x(U) 0.52) + RUU2 (x(U) 0.66667) + LIQUID (x(U) 0.7304) |
| RuU-11Ber.tdb | 1149.14 | RUU2 (x(U) 0.66667) + LIQUID (x(U) 0.81425) + BCC_A2 (x(U) 0.92248) |
| RuU-11Ber.tdb | 1149.14 | RUU2 (x(U) 0.66667) + LIQUID (x(U) 0.81434) + BCC_A2 (x(U) 0.92254) |
| RuU-11Ber.tdb | 1060 | RU4U3 (x(U) 0.42857) + RUU_LT (x(U) 0.52) + RUU_HT (x(U) 0.52) |
| RuU-11Ber.tdb | 1060 | RUU_HT (x(U) 0.52) + RUU_LT (x(U) 0.52) + RUU2 (x(U) 0.66667) |
| RuU-11Ber.tdb | 962.06 | RUU2 (x(U) 0.66667) + BCC_A2 (x(U) 0.94711) + TETRAGONAL_U (x(U) 0.97921) |
| RuU-11Ber.tdb | 900.42 | RUU2 (x(U) 0.66667) + TETRAGONAL_U (x(U) 0.98582) + ORTHORHOMBIC_A20 (x(U) 1) |
| RuU-11Ber.tdb | 900.42 | RUU2 (x(U) 0.66667) + TETRAGONAL_U (x(U) 0.98585) + ORTHORHOMBIC_A20 (x(U) 1) |

Convex hulls: [Materials Project DFT hull](https://data.orchid-project.org/hulls/dft-mp/RU/RU-U.json) · [OQMD DFT hull](https://data.orchid-project.org/hulls/dft-oqmd/RU/RU-U.json)

## Invariant reactions (literature)

Table: Invariant reactions reported in the literature for the Ru–U system (64)

| T (K) | Reaction / phases | Compositions (mole fraction) | Class | Source | Location | Quote |
|---:|---|---|---|---|---|---|
| 2123.15 | Liquid + hcp -> Ru3U | Ru3U: Ru 0.75, U 0.25 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 3; `ORC-NUWL5KXSGC` |  |
| 2123 | Liquid + hcp \<=> Ru3U | Ru3U: Ru 0.75, U 0.25 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 35; `ORC-J2C7F4QUH3` |  |
| 1998.15 | congruent melting: Liquid -> Ru3U | L: Ru 0.75, U 0.25; Ru3U: Ru 0.75, U 0.25 | model | [1] Berche 2011 | Table 6, p. 12, row 4; `ORC-NDGQBI6KN3` |  |
| 1998 | congruent melting: Liquid \<=> Ru3U | Liquid: Ru 0.75, U 0.25; Ru3U: Ru 0.75, U 0.25 | model | [1] Berche 2011 | Table 6, p. 12, row 36; `ORC-VYTF6MTXH7` |  |
| 1938.15 | congruent melting: Liquid -> Ru3U | L: Ru 0.75, U 0.25; Ru3U: Ru 0.75, U 0.25 | experimental | [1] Berche 2011; _cites Mason 1994_ [doi](https://doi.org/10.1016/0022-3115%2894%2990381-6) | Table 6, p. 12, row 5; `ORC-VATAVCXU5R` |  |
| 1938 | congruent melting: Liquid \<=> Ru3U | Liquid: Ru 0.75, U 0.25; Ru3U: Ru 0.75, U 0.25 | experimental | [1] Berche 2011; _cites Mason 1994_ [doi](https://doi.org/10.1016/0022-3115%2894%2990381-6) | Table 6, p. 12, row 37; `ORC-AU5XUQO4QN` |  |
| 1861.15 | eutectic: Liquid -> Ru3U + hcp | Ru3U: Ru 0.75, U 0.25 | experimental | [1] Berche 2011; _cites Mason 1994_ [doi](https://doi.org/10.1016/0022-3115%2894%2990381-6) | Table 6, p. 12, row 2; `ORC-ZK4P46QY6V` |  |
| 1861 | Liquid \<=> Ru3U + hcp | Ru3U: Ru 0.75, U 0.25 | experimental | [1] Berche 2011; _cites Mason 1994_ [doi](https://doi.org/10.1016/0022-3115%2894%2990381-6) | Table 6, p. 12, row 34; `ORC-NKXMHLS6CR` |  |
| 1849.15 | eutectic: Liquid -> Ru3U + hcp | Ru3U: Ru 0.75, U 0.25 | model | [1] Berche 2011 | Table 6, p. 12, row 1; `ORC-ZMWZNROX3V` |  |
| 1849 | Liquid \<=> Ru3U + hcp | Ru3U: Ru 0.75, U 0.25 | model | [1] Berche 2011 | Table 6, p. 12, row 33; `ORC-KPPZ4LAFAP` |  |
| 1466.15 | Liquid + Ru3U -> Ru5U3 | Ru3U: Ru 0.75, U 0.25; Ru5U3: Ru 0.625, U 0.375 | model | [1] Berche 2011 | Table 6, p. 12, row 6; `ORC-4JOLKGJMH6` |  |
| 1466 | Liquid + Ru3U \<=> Ru5U3 | Ru3U: Ru 0.75, U 0.25; Ru5U3: Ru 0.625, U 0.375 | model | [1] Berche 2011 | Table 6, p. 12, row 38; `ORC-JJK63Q4WMS` |  |
| 1460.15 | Liquid + Ru3U -> Ru5U3 | Ru3U: Ru 0.75, U 0.25; Ru5U3: Ru 0.625, U 0.375 | experimental | [1] Berche 2011; _cites Mason 1994_ [doi](https://doi.org/10.1016/0022-3115%2894%2990381-6) | Table 6, p. 12, row 7; `ORC-KJH43QJFSL` |  |
| 1460 | Liquid + Ru3U \<=> Ru5U3 | Ru3U: Ru 0.75, U 0.25; Ru5U3: Ru 0.625, U 0.375 | experimental | [1] Berche 2011; _cites Mason 1994_ [doi](https://doi.org/10.1016/0022-3115%2894%2990381-6) | Table 6, p. 12, row 39; `ORC-UWER5EIF3Y` |  |
| 1455.15 | Liquid + Ru3U -> Ru5U3 | Ru3U: Ru 0.75, U 0.25; Ru5U3: Ru 0.625, U 0.375 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 8; `ORC-7JRCFAAKML` |  |
| 1455 | Liquid + Ru3U \<=> Ru5U3 | Ru3U: Ru 0.75, U 0.25; Ru5U3: Ru 0.625, U 0.375 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 40; `ORC-XS2ZYSTSVR` |  |
| 1452.15 | Liquid + Ru5U3 -> Ru4U3 | Ru5U3: Ru 0.625, U 0.375; Ru4U3: Ru 0.571429, U 0.428571 | model | [1] Berche 2011 | Table 6, p. 12, row 9; `ORC-QDYLFIMHSU` |  |
| 1452 | Liquid + Ru5U3 \<=> Ru4U3 | Ru5U3: Ru 0.625, U 0.375; Ru4U3: Ru 0.571429, U 0.428571 | model | [1] Berche 2011 | Table 6, p. 12, row 41; `ORC-VWY65XEDM7` |  |
| 1439.15 | Liquid + Ru5U3 -> Ru4U3 | Ru5U3: Ru 0.625, U 0.375; Ru4U3: Ru 0.571429, U 0.428571 | experimental | [1] Berche 2011; _cites Mason 1994_ [doi](https://doi.org/10.1016/0022-3115%2894%2990381-6) | Table 6, p. 12, row 10; `ORC-6NRN3PXJ7Q` |  |
| 1439 | Liquid + Ru5U3 \<=> Ru4U3 | Ru5U3: Ru 0.625, U 0.375; Ru4U3: Ru 0.571429, U 0.428571 | experimental | [1] Berche 2011; _cites Mason 1994_ [doi](https://doi.org/10.1016/0022-3115%2894%2990381-6) | Table 6, p. 12, row 42; `ORC-VWL25W2ED5` |  |
| 1436.15 | Liquid + Ru5U3 -> Ru4U3 | Ru5U3: Ru 0.625, U 0.375; Ru4U3: Ru 0.571429, U 0.428571 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 11; `ORC-SIFGDWVDPW` |  |
| 1436 | Liquid + Ru5U3 \<=> Ru4U3 | Ru5U3: Ru 0.625, U 0.375; Ru4U3: Ru 0.571429, U 0.428571 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 43; `ORC-4Y2W3NPX3V` |  |
| 1431.15 | congruent melting: Liquid -> RuU-H | L: Ru 0.48, U 0.52; RuU-H: Ru 0.48, U 0.52 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 17; `ORC-YE24SVVGFN` |  |
| 1431 | congruent melting: Liquid \<=> RuU-H | Liquid: Ru 0.48, U 0.52; RuU-H: Ru 0.48, U 0.52 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 49; `ORC-7SND6GE674` |  |
| 1421.15 | eutectic: Liquid -> RuU-H + Ru4U3 | RuU-H: Ru 0.48, U 0.52; Ru4U3: Ru 0.571429, U 0.428571 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 13; `ORC-GDDBQL5Z5P` |  |
| 1421 | Liquid \<=> RuU-H + Ru4U3 | RuU-H: Ru 0.48, U 0.52; Ru4U3: Ru 0.571429, U 0.428571 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 45; `ORC-SNHGZ7P2JD` |  |
| 1414 | congruent melting: Liquid \<=> RuU-H | Liquid: Ru 0.48, U 0.52; RuU-H: Ru 0.48, U 0.52 | model | [1] Berche 2011 | Table 6, p. 12, row 48; `ORC-26UUWBR2CQ` |  |
| 1413.15 | congruent melting: Liquid -> RuU-H | L: Ru 0.48, U 0.52; RuU-H: Ru 0.48, U 0.52 | model | [1] Berche 2011 | Table 6, p. 12, row 16; `ORC-JJXBTLQ4IY` |  |
| 1412 | Liquid \<=> RuU-H + Ru4U3 | RuU-H: Ru 0.48, U 0.52; Ru4U3: Ru 0.571429, U 0.428571 | model | [1] Berche 2011 | Table 6, p. 12, row 44; `ORC-RBSFVOZNQ3` |  |
| 1411.15 | eutectic: Liquid -> RuU-H + Ru4U3 | RuU-H: Ru 0.48, U 0.52; Ru4U3: Ru 0.571429, U 0.428571 | model | [1] Berche 2011 | Table 6, p. 12, row 12; `ORC-T5WHSBNIGX` |  |
| 1218.15 | Liquid + RuU-H -> RuU2 | RuU-H: Ru 0.48, U 0.52; RuU2: Ru 0.333333, U 0.666667 | model | [1] Berche 2011 | Table 6, p. 12, row 18; `ORC-3YRA5A5CBE` |  |
| 1218 | Liquid + RuU-H \<=> RuU2 | RuU-H: Ru 0.48, U 0.52; RuU2: Ru 0.333333, U 0.666667 | model | [1] Berche 2011 | Table 6, p. 12, row 50; `ORC-BUZQYNNSEG` |  |
| 1210.15 | Liquid + RuU-H -> RuU2 | RuU-H: Ru 0.48, U 0.52; RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 19; `ORC-JAT7UODV7L` |  |
| 1210 | Liquid + RuU-H \<=> RuU2 | RuU-H: Ru 0.48, U 0.52; RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 51; `ORC-MRYVUJSEYY` |  |
| 1170.15 | Liquid + RuU-H -> RuU2 | RuU-H: Ru 0.48, U 0.52; RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Berndt 1965_ | Table 6, p. 12, row 20; `ORC-SSVBDZXFUS` |  |
| 1170 | Liquid + RuU-H \<=> RuU2 | RuU-H: Ru 0.48, U 0.52; RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Berndt 1965_ | Table 6, p. 12, row 52; `ORC-V352TF7SI7` |  |
| 1159.15 | eutectic: Liquid -> bcc + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 22; `ORC-TALXVGBJNZ` |  |
| 1159 | Liquid \<=> bcc + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 54; `ORC-TTIO2JU47P` |  |
| 1149.15 | eutectic: Liquid -> bcc + RuU2 | RuU2: Ru 0.333333, U 0.666667 | model | [1] Berche 2011 | Table 6, p. 12, row 21; `ORC-4HIHIJ6U37` |  |
| 1149 | Liquid \<=> bcc + RuU2 | RuU2: Ru 0.333333, U 0.666667 | model | [1] Berche 2011 | Table 6, p. 12, row 53; `ORC-Z7AOAWFHUA` |  |
| 1068.15 | polymorphic: RuU-H -> RuU-L | RuU-H: Ru 0.48, U 0.52; RuU-L: Ru 0.48, U 0.52 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 15; `ORC-VWPRQZSR5E` |  |
| 1068 | polymorphic: RuU-H \<=> RuU-L | RuU-H: Ru 0.48, U 0.52; RuU-L: Ru 0.48, U 0.52 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 47; `ORC-2G2VSJMCNK` |  |
| 1060.15 | polymorphic: RuU-H -> RuU-L | RuU-H: Ru 0.48, U 0.52; RuU-L: Ru 0.48, U 0.52 | model | [1] Berche 2011 | Table 6, p. 12, row 14; `ORC-75LUASK5HL` |  |
| 1060 | polymorphic: RuU-H \<=> RuU-L | RuU-H: Ru 0.48, U 0.52; RuU-L: Ru 0.48, U 0.52 | model | [1] Berche 2011 | Table 6, p. 12, row 46; `ORC-4MNNBSWMRS` |  |
| 983.15 | bcc -> β-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Hills 1965_ [doi](https://doi.org/10.1016/0022-3115%2865%2990044-9) | Table 6, p. 12, row 25; `ORC-DFY4QNGA5W` |  |
| 983 | bcc \<=> β-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Hills 1965_ [doi](https://doi.org/10.1016/0022-3115%2865%2990044-9) | Table 6, p. 12, row 57; `ORC-F5MTO4K4DW` |  |
| 966.15 | bcc -> β-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Dwight 1958_ | Table 6, p. 12, row 24; `ORC-VIZJ2HDFNG` |  |
| 966 | bcc \<=> β-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Dwight 1958_ | Table 6, p. 12, row 56; `ORC-ER7MEHSLHY` |  |
| 965.15 | bcc -> β-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Abou-Zahra 1976_ [doi](https://doi.org/10.1016/0022-5088%2876%2990244-7) | Table 6, p. 12, row 27; `ORC-6AXP5HF5Z2` |  |
| 965 | bcc \<=> β-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Abou-Zahra 1976_ [doi](https://doi.org/10.1016/0022-5088%2876%2990244-7) | Table 6, p. 12, row 59; `ORC-2C2BTPKL2R` |  |
| 964.15 | bcc -> β-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 26; `ORC-OWDYWRRTPX` |  |
| 964 | bcc \<=> β-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 58; `ORC-2EKFTT5HJY` |  |
| 962 | bcc \<=> β-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | model | [1] Berche 2011 | Table 6, p. 12, row 55; `ORC-PXZQ7T3VH7` |  |
| 959.15 | bcc -> β-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | model | [1] Berche 2011 | Table 6, p. 12, row 23; `ORC-TMAXN42QPO` |  |
| 913.15 | β-U -> α-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Hills 1965_ [doi](https://doi.org/10.1016/0022-3115%2865%2990044-9) | Table 6, p. 12, row 30; `ORC-T4SF2YR5XG` |  |
| 913 | β-U \<=> α-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Hills 1965_ [doi](https://doi.org/10.1016/0022-3115%2865%2990044-9) | Table 6, p. 12, row 62; `ORC-QMYJXUBZQJ` |  |
| 906.15 | β-U -> α-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Abou-Zahra 1976_ [doi](https://doi.org/10.1016/0022-5088%2876%2990244-7) | Table 6, p. 12, row 32; `ORC-AKLG6HGQEE` |  |
| 906 | β-U \<=> α-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Abou-Zahra 1976_ [doi](https://doi.org/10.1016/0022-5088%2876%2990244-7) | Table 6, p. 12, row 64; `ORC-WX3NYMO4NI` |  |
| 900 | β-U \<=> α-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | model | [1] Berche 2011 | Table 6, p. 12, row 60; `ORC-KR6YUTLQYT` |  |
| 898.15 | β-U -> α-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 31; `ORC-2A3ZQPODK5` |  |
| 898 | β-U \<=> α-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Park 1968_ [doi](https://doi.org/10.6028/jres.072a.001) | Table 6, p. 12, row 63; `ORC-3K46Z7FHTJ` |  |
| 895.15 | β-U -> α-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | model | [1] Berche 2011 | Table 6, p. 12, row 28; `ORC-CSXF2DSBCR` |  |
| 891.15 | β-U -> α-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Dwight 1958_ | Table 6, p. 12, row 29; `ORC-3KTZK6K4SD` |  |
| 891 | β-U \<=> α-U + RuU2 | RuU2: Ru 0.333333, U 0.666667 | experimental | [1] Berche 2011; _cites Dwight 1958_ | Table 6, p. 12, row 61; `ORC-RHTY3BFR5M` |  |

## Sources

Reporting papers the values were read from (a value cited from another work names that work in its row).

1. A. Berche, N. Dupin, C. Guéneau, C. Rado, B. Sundman, J.C. Dumas, Calphad thermodynamic description of some binary systems involving U, Journal of Nuclear Materials 411, 131-143 (2011). [doi:10.1016/j.jnucmat.2011.01.043](https://doi.org/10.1016/j.jnucmat.2011.01.043)

## Please cite

- R. Arróyave, J. Saal, D. Shin, ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23735569
- R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735859
- R. Arróyave, J. Saal, D. Shin, ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD) (version 2026.10), Zenodo (2026). https://doi.org/10.5281/zenodo.23735891
- R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). https://doi.org/10.5281/zenodo.23736065

Also cite the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work); B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, https://doi.org/10.1016/j.calphad.2025.102833 (CC BY 4.0), and the original assessment named in each file; A. Jain et al., The Materials Project: A materials genome approach to accelerating materials innovation, APL Materials 1 (2013) 011002, https://doi.org/10.1063/1.4812323 (CC BY 4.0); J. E. Saal et al., JOM 65 (2013) 1501, https://doi.org/10.1007/s11837-013-0755-4 and S. Kirklin et al., npj Comput. Mater. 1 (2015) 15010, https://doi.org/10.1038/npjcompumats.2015.10 (CC BY 4.0).

Version 1, machine-extracted: values were read by language-model readers constrained to quote their source and checked automatically, and the release was then audited on the printed pages by adversarial audits, an independent second review of fit-facing records and a preliminary human review of a frozen sample. Flags such as accepted and ESPEI-ready record screening results, not certification; known issues are listed in the release notes.

```bibtex
@misc{orchid_literature_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735569},
  url       = {https://doi.org/10.5281/zenodo.23735569},
  note      = {Version 1, machine-extracted}
}

@misc{orchid_phase_diagrams_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Diagrams: calculated binary phase diagrams}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735859},
  url       = {https://doi.org/10.5281/zenodo.23735859}
}

@misc{orchid_hulls_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD)}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735891},
  url       = {https://doi.org/10.5281/zenodo.23735891}
}

@misc{orchid_data_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23736065},
  url       = {https://doi.org/10.5281/zenodo.23736065},
  note      = {Version 1, machine-extracted}
}
```

---

Derived data CC BY 4.0 ([licence](https://creativecommons.org/licenses/by/4.0/)): cite ORCHID ([CITATION.cff](https://data.orchid-project.org/CITATION.cff)) and the original sources. Quotes are short excerpts kept so that each value can be checked; they remain under the publishers' copyright and are not relicensed. Source papers, page images and full text are not redistributed. Field reference: [SCHEMA.md](https://data.orchid-project.org/literature/SCHEMA.md). Machine-readable guide: [llms.txt](https://data.orchid-project.org/llms.txt). Found an error? The report link of a value (Markdown: its id, ORC-..., in the Location column) opens a pre-filled GitHub issue, https://github.com/orchid-calphad/orchid-data/issues/new?template=report-value-error.yml&record_id=\<id>, carrying only the record id, source and value; [how to contribute](https://orchid-project.org/contribute/).