Ru–Y system

38 accepted literature values from 1 paper(s) (experimental 4, model 34); 1 calculated phase diagram(s). 7 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (9) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence classValues
experimental4
model34
Accepted values by property group
Property groupValues
invariant reaction26
formation12

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.

Assessments with a calculated phase diagram
TDB fileAssessmentSHA-256Links
RuY-11Ait.tdbM. Ait Amar, M. Idbenali, N. Selhaoui, K. Mahdouk, A. Aharoune, L. Bouirden, J. Thermal Anal. Calorim., 103, 141-45(2011). doi:10.1007/s10973-010-1076-267a1011da0969b030c5b74cfef7decd33a9155c3334ba3762b8bde44265150a1viewer · TDB · JSON
Calculated three-phase invariants (model, mole fraction of the second component)
TDB fileT (K)Phases at the invariant
RuY-11Ait.tdb2108.43HCP_A3 (x(Y) 0.00145) + LIQUID (x(Y) 0.20266) + RU2Y_C14 (x(Y) 0.33333)
RuY-11Ait.tdb2108.43HCP_A3 (x(Y) 0.00145) + LIQUID (x(Y) 0.20255) + RU2Y_C14 (x(Y) 0.33333)
RuY-11Ait.tdb1751LIQUID (x(Y) 0.9824) + BCC_A2 (x(Y) 0.99996) + HCP_A3 (x(Y) 0.99998)
RuY-11Ait.tdb1568.17RU2Y_C14 (x(Y) 0.33333) + RU2Y3 (x(Y) 0.6) + LIQUID (x(Y) 0.60826)
RuY-11Ait.tdb1568.17RU2Y_C14 (x(Y) 0.33333) + RU2Y3 (x(Y) 0.6) + LIQUID (x(Y) 0.60803)
RuY-11Ait.tdb1546.93RU2Y3 (x(Y) 0.6) + RU25Y44 (x(Y) 0.63768) + LIQUID (x(Y) 0.64062)
RuY-11Ait.tdb1546.93RU2Y3 (x(Y) 0.6) + RU25Y44 (x(Y) 0.63768) + LIQUID (x(Y) 0.64044)
RuY-11Ait.tdb1546.93RU2Y3 (x(Y) 0.6) + RU25Y44 (x(Y) 0.63768) + LIQUID (x(Y) 0.64083)
RuY-11Ait.tdb1539.47RU25Y44 (x(Y) 0.63768) + LIQUID (x(Y) 0.66177) + RU2Y5 (x(Y) 0.71429)
RuY-11Ait.tdb1539.47RU25Y44 (x(Y) 0.63768) + LIQUID (x(Y) 0.66178) + RU2Y5 (x(Y) 0.71429)
RuY-11Ait.tdb1539.46RU25Y44 (x(Y) 0.63768) + LIQUID (x(Y) 0.66147) + RU2Y5 (x(Y) 0.71429)
RuY-11Ait.tdb1539.46RU25Y44 (x(Y) 0.63768) + LIQUID (x(Y) 0.66133) + RU2Y5 (x(Y) 0.71429)
RuY-11Ait.tdb1509.78RU2Y5 (x(Y) 0.71429) + RUY3_D011 (x(Y) 0.75) + LIQUID (x(Y) 0.78629)
RuY-11Ait.tdb1509.78RU2Y5 (x(Y) 0.71429) + RUY3_D011 (x(Y) 0.75) + LIQUID (x(Y) 0.7864)
RuY-11Ait.tdb1357.86RUY3_D011 (x(Y) 0.75) + LIQUID (x(Y) 0.85899) + HCP_A3 (x(Y) 0.99994)
RuY-11Ait.tdb315.35RU2Y5 (x(Y) 0.71429) + RUY3_D011 (x(Y) 0.75) + HCP_A3 (x(Y) 1)
RuY-11Ait.tdb310.97RU2Y_C14 (x(Y) 0.33333) + RU2Y3 (x(Y) 0.6) + RU25Y44 (x(Y) 0.63768)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Ru–Y system (26)
T (K)Reaction / phasesCompositions (mole fraction)ClassSourceLocationQuote
2253congruent melting: Liq -> Ru2YLiq: Y 0.3333; Ru2Y: Ru 0.666667, Y 0.333333model[1] Amar 2011Table 3, p. 3, row 6
report
2253congruent melting: Liq -> Ru2YLiq: Y 0.3333; Ru2Y: Ru 0.666667, Y 0.333333model[1] Amar 2011
cites Selhaoui 1998 doi
Table 3, p. 3, row 5
report
2223congruent melting: Liq -> Ru2YLiq: Y 0.3333; Ru2Y: Ru 0.666667, Y 0.333333model[1] Amar 2011
cites Massalski 1990
Table 3, p. 3, row 4
report
2113eutectic: Liq -> Ru + Ru2YLiq: Y 0.2; Ru2Y: Ru 0.666667, Y 0.333333experimental[1] Amar 2011
cites Massalski 1990
Table 3, p. 3, row 1
report
2111eutectic: Liq -> Ru + Ru2YLiq: Y 0.2004; Ru2Y: Ru 0.666667, Y 0.333333model[1] Amar 2011Table 3, p. 3, row 3
report
2081eutectic: Liq -> Ru + Ru2YLiq: Y 0.207; Ru2Y: Ru 0.666667, Y 0.333333model[1] Amar 2011
cites Selhaoui 1998 doi
Table 3, p. 3, row 2
report
1751βY -> Liq + αYLiq: Y 0.985model[1] Amar 2011
cites Massalski 1990
Table 3, p. 3, row 25
report
1750βY -> Liq + αYLiq: Y 0.985model[1] Amar 2011Table 3, p. 3, row 26
report
1623Liq + Ru2Y -> Ru2Y3Liq: Y 0.619; Ru2Y: Ru 0.666667, Y 0.333333; Ru2Y3: Ru 0.4, Y 0.6model[1] Amar 2011
cites Massalski 1990
Table 3, p. 3, row 7
report
1593congruent melting: Liq -> Ru2Y5Liq: Y 0.7142; Ru2Y5: Ru 0.285714, Y 0.714286model[1] Amar 2011
cites Massalski 1990
Table 3, p. 3, row 16
report
1585Liq + Ru2Y -> Ru2Y3Liq: Y 0.62; Ru2Y: Ru 0.666667, Y 0.333333; Ru2Y3: Ru 0.4, Y 0.6model[1] Amar 2011
cites Selhaoui 1998 doi
Table 3, p. 3, row 8
report
1577congruent melting: Liq -> Ru2Y5Liq: Y 0.7142; Ru2Y5: Ru 0.285714, Y 0.714286model[1] Amar 2011
cites Selhaoui 1998 doi
Table 3, p. 3, row 17
report
1570Liq + Ru2Y3 -> Ru25Y44Liq: Y 0.647; Ru2Y3: Ru 0.4, Y 0.6; Ru25Y44: Ru 0.362319, Y 0.637681model[1] Amar 2011
cites Selhaoui 1998 doi
Table 3, p. 3, row 11
report
1570Liq + Ru2Y -> Ru2Y3Liq: Y 0.6086; Ru2Y: Ru 0.666667, Y 0.333333; Ru2Y3: Ru 0.4, Y 0.6model[1] Amar 2011Table 3, p. 3, row 9
report
1570congruent melting: Liq -> Ru2Y5Liq: Y 0.7142; Ru2Y5: Ru 0.285714, Y 0.714286model[1] Amar 2011Table 3, p. 3, row 18
report
1568Liq + Ru2Y3 -> Ru25Y44Liq: Y 0.641; Ru2Y3: Ru 0.4, Y 0.6; Ru25Y44: Ru 0.362319, Y 0.637681model[1] Amar 2011
cites Massalski 1990
Table 3, p. 3, row 10
report
1561eutectic: Liq -> Ru25Y44 + Ru2Y5Liq: Y 0.671; Ru25Y44: Ru 0.362319, Y 0.637681; Ru2Y5: Ru 0.285714, Y 0.714286model[1] Amar 2011
cites Selhaoui 1998 doi
Table 3, p. 3, row 14
report
1548Liq + Ru2Y3 -> Ru25Y44Liq: Y 0.6408; Ru2Y3: Ru 0.4, Y 0.6; Ru25Y44: Ru 0.362319, Y 0.637681model[1] Amar 2011Table 3, p. 3, row 12
report
1539eutectic: Liq -> Ru25Y44 + Ru2Y5Liq: Y 0.6639; Ru25Y44: Ru 0.362319, Y 0.637681; Ru2Y5: Ru 0.285714, Y 0.714286model[1] Amar 2011Table 3, p. 3, row 15
report
1523Liq + Ru2Y5 -> RuY3Liq: Y 0.7895; Ru2Y5: Ru 0.285714, Y 0.714286; RuY3: Ru 0.25, Y 0.75model[1] Amar 2011
cites Massalski 1990
Table 3, p. 3, row 19
report
1494Liq + Ru2Y5 -> RuY3Liq: Y 0.792; Ru2Y5: Ru 0.285714, Y 0.714286; RuY3: Ru 0.25, Y 0.75model[1] Amar 2011Table 3, p. 3, row 21
report
1493Liq + Ru2Y5 -> RuY3Liq: Y 0.804; Ru2Y5: Ru 0.285714, Y 0.714286; RuY3: Ru 0.25, Y 0.75model[1] Amar 2011
cites Selhaoui 1998 doi
Table 3, p. 3, row 20
report
1473eutectic: Liq -> Ru25Y44 + Ru2Y5Liq: Y 0.66; Ru25Y44: Ru 0.362319, Y 0.637681; Ru2Y5: Ru 0.285714, Y 0.714286model[1] Amar 2011
cites Massalski 1990
Table 3, p. 3, row 13
report
1364eutectic: Liq -> RuY3 + αYLiq: Y 0.855; RuY3: Ru 0.25, Y 0.75model[1] Amar 2011
cites Selhaoui 1998 doi
Table 3, p. 3, row 23
report
1353eutectic: Liq -> RuY3 + αYLiq: Y 0.8579; RuY3: Ru 0.25, Y 0.75model[1] Amar 2011Table 3, p. 3, row 24
report
1353eutectic: Liq -> RuY3 + αYLiq: Y 0.85; RuY3: Ru 0.25, Y 0.75experimental[1] Amar 2011
cites Massalski 1990
Table 3, p. 3, row 22
report

Formation enthalpies

Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from dft_parity.json.

Enthalpies of formation, Ru–Y system (12)
PhaseCompoundValueT (K)ClassMP DFT (kJ/mol-atom)OQMD DFT (kJ/mol-atom)SourceLocationQuote
Ru25Y44-29.778 kJ/mol-atom300model[1] Amar 2011
cites Selhaoui 1998 doi
Table 4, p. 4, row 6
report
Ru25Y44-25.431 kJ/mol-atom300model[1] Amar 2011Table 4, p. 4, row 7
report
Ru2YRu2Y-20.888 kJ/mol-atom300model-30.337 (mp-aaabgini)-29.461 (oqmd-19316)[1] Amar 2011Table 4, p. 4, row 3
report
Ru2YRu2Y-19.53 kJ/mol-atom300model-30.337 (mp-aaabgini)-29.461 (oqmd-19316)[1] Amar 2011
cites Selhaoui 1998 doi
Table 4, p. 4, row 2
report
Ru2YRu2Y-19.5 kJ/mol-atom ± 1.4298.15experimental-30.337 (mp-aaabgini)-29.461 (oqmd-19316)[1] Amar 2011
cites Selhaoui 1993 doi
Table 4, p. 4, row 1
report
Ru2Y3Ru2Y3-29.177 kJ/mol-atom300model-24.703 (mp-aaacqpsk)-24.499 (oqmd-1340063)[1] Amar 2011
cites Selhaoui 1998 doi
Table 4, p. 4, row 4
report
Ru2Y3Ru2Y3-24.789 kJ/mol-atom300model-24.703 (mp-aaacqpsk)-24.499 (oqmd-1340063)[1] Amar 2011Table 4, p. 4, row 5
report
Ru2Y5Ru2Y5-27.3 kJ/mol-atom ± 3.1298.15experimental-32.176 (mp-aaackwmc)-31.792 (oqmd-1437125)[1] Amar 2011
cites Selhaoui 1993 doi
Table 4, p. 4, row 8
report
Ru2Y5Ru2Y5-27.288 kJ/mol-atom300model-32.176 (mp-aaackwmc)-31.792 (oqmd-1437125)[1] Amar 2011
cites Selhaoui 1998 doi
Table 4, p. 4, row 9
report
Ru2Y5Ru2Y5-26.844 kJ/mol-atom300model-32.176 (mp-aaackwmc)-31.792 (oqmd-1437125)[1] Amar 2011Table 4, p. 4, row 10
report
RuY3RuY3-25.052 kJ/mol-atom300model-29.533 (mp-aaacqsrd)-29.107 (oqmd-1437321)[1] Amar 2011
cites Selhaoui 1998 doi
Table 4, p. 4, row 11
report
RuY3RuY3-23.319 kJ/mol-atom300model-29.533 (mp-aaacqsrd)-29.107 (oqmd-1437321)[1] Amar 2011Table 4, p. 4, row 12
report

Sources

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

  1. M. Ait Amar, M. Idbenali, N. Selhaoui, K. Mahdouk, A. Aharoune, L. Bouirden, Thermodynamic description of the Ru–Y binary system, J Therm Anal Calorim 103, 141-145 (2011). doi:10.1007/s10973-010-1076-2