Re–Zr system

80 accepted literature values from 2 paper(s) (experimental 58, model 19, unspecified 3); 2 calculated phase diagram(s). 14 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 (8) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence classValues
experimental58
model19
unspecified3
Accepted values by property group
Property groupValues
invariant reaction36
phase transition14
phase equilibrium30

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
ReZr-13Liu.tdbJ. Liu, Y. Zhang, Z. Wang, Monatsh. Chem., 144, 1613-16(2013). doi:10.1007/s00706-013-1040-51fcf6a3bca904b4925e50068881960ec4be219e9723e214e77d21423e2e68b0cviewer · TDB · JSON
ReZr-23Che.tdbX. Che, S. Qin, J. Huang, X. Shi, D. Huang, Int. J. Refract. Met. Mater., 114, 106259(2023). doi:10.1016/j.ijrmhm.2023.106259644674a05faf287fa10e057616243e5a948c4b2e32a766c74bebfbf1e45dfdacviewer · TDB · JSON
Calculated three-phase invariants (model, mole fraction of the second component)
TDB fileT (K)Phases at the invariant
ReZr-13Liu.tdb2652.83LIQUID (x(Zr) 0.16063) + RE24ZR5_A12 (x(Zr) 0.17183) + C14_LAVES (x(Zr) 0.32667)
ReZr-13Liu.tdb2592.18HCP_A3 (x(Zr) 0.01939) + LIQUID (x(Zr) 0.12485) + RE24ZR5_A12 (x(Zr) 0.1699)
ReZr-13Liu.tdb1913C14_LAVES (x(Zr) 0.35182) + REZR2 (x(Zr) 0.66667) + LIQUID (x(Zr) 0.71438)
ReZr-13Liu.tdb1821.17REZR2 (x(Zr) 0.66667) + LIQUID (x(Zr) 0.77968) + BCC_A2 (x(Zr) 0.89715)
ReZr-13Liu.tdb1121.25REZR2 (x(Zr) 0.66667) + BCC_A2 (x(Zr) 0.97721) + HCP_A3 (x(Zr) 0.98163)
ReZr-13Liu.tdb1121.25REZR2 (x(Zr) 0.66667) + BCC_A2 (x(Zr) 0.97755) + HCP_A3 (x(Zr) 0.98195)
ReZr-23Che.tdb3122.98LIQUID (x(Zr) 0.1551) + RE24ZR5_A12 (x(Zr) 0.1727) + C14_LAVES (x(Zr) 0.29852)
ReZr-23Che.tdb3099.3HCP_A3 (x(Zr) 1.500e-4) + LIQUID (x(Zr) 0.11711) + RE24ZR5_A12 (x(Zr) 0.17241)
ReZr-23Che.tdb1933.91C14_LAVES (x(Zr) 0.36282) + RE25ZR21 (x(Zr) 0.45801) + LIQUID (x(Zr) 0.78568)
ReZr-23Che.tdb1866.34RE25ZR21 (x(Zr) 0.45792) + LIQUID (x(Zr) 0.85617) + BCC_A2 (x(Zr) 0.93903)
ReZr-23Che.tdb1016.28RE25ZR21 (x(Zr) 0.45654) + BCC_A2 (x(Zr) 0.94607) + HCP_A3 (x(Zr) 0.97994)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull ReZr-13Liu

Invariant reactions (literature)

Invariant reactions reported in the literature for the Re–Zr system (36)
T (K)Reaction / phasesCompositions (mole fraction)ClassSourceLocationQuote
3264congruent melting: Liquid -> Re2ZrRe2Zr: Re 0.68model[1] Che 2023Table 5, p. 8, row 25
report
3263congruent melting: Liquid -> Re2ZrLiquid: Re 0.666667, Zr 0.333333; Re2Zr: Re 0.666667, Zr 0.333333experimental[1] Che 2023Table 5, p. 8, row 24
report
3170congruent melting: Liquid -> Re2ZrLiquid: Re 0.665; Re2Zr: Re 0.665model[1] Che 2023
cites Liu 2013 doi
Table 5, p. 8, row 23
report
3124Liquid + Re2Zr -> Re24Zr5Liquid: Re 0.8443; Re2Zr: Re 0.7013; Re24Zr5: Re 0.8269model[1] Che 2023Table 5, p. 8, row 7
report
3123eutectic: Liquid -> hcp (Re) + Re24Zr5Re24Zr5: Re 0.827586, Zr 0.172414experimental[1] Che 2023Table 5, p. 8, row 2
report
3110Liquid + Re2Zr -> Re24Zr5Re2Zr: Re 0.666667, Zr 0.333333; Re24Zr5: Re 0.827586, Zr 0.172414experimental[1] Che 2023Table 5, p. 8, row 6
report
3100eutectic: Liquid -> hcp (Re) + Re24Zr5Liquid: Re 0.8831; hcp (Re): Re 0.9999; Re24Zr5: Re 0.8273model[1] Che 2023Table 5, p. 8, row 3
report
3023congruent melting: Liquid -> Re2ZrLiquid: Re 0.666667, Zr 0.333333; Re2Zr: Re 0.666667, Zr 0.333333experimental[1] Che 2023
cites Okamoto 1990
Table 5, p. 8, row 22
report
2800Liquid + Re2Zr -> Re24Zr5Re2Zr: Re 0.666667, Zr 0.333333; Re24Zr5: Re 0.827586, Zr 0.172414experimental[1] Che 2023
cites Okamoto 1990
Table 5, p. 8, row 4
report
2800liq. + Re2Zr -> Re24Zr5Re2Zr: Zr 0.333333; Re24Zr5: Zr 0.172414experimental[2] Liu 2013
cites Massalski 1990
Table 2, p. 3, row 2
report
2797liq. + Re2Zr -> Re24Zr5liq.: Zr 0.1688; Re2Zr: Zr 0.3249; Re24Zr5: Zr 0.1717model[2] Liu 2013Table 2, p. 3, row 3
report
2797Liquid + Re2Zr -> Re24Zr5Liquid: Re 0.8312; Re2Zr: Re 0.6751; Re24Zr5: Re 0.8283model[1] Che 2023
cites Liu 2013 doi
Table 5, p. 8, row 5
report
2774eutectic: Liquid -> hcp (Re) + Re24Zr5Liquid: Re 0.8626; hcp (Re): Re 0.999; Re24Zr5: Re 0.8312model[1] Che 2023
cites Liu 2013 doi
Table 5, p. 8, row 1
report
2774eutectic: liq. -> hcp(Re) + Re24Zr5liq.: Zr 0.1374; hcp(Re): Zr 0.001; Re24Zr5: Zr 0.1688model[2] Liu 2013Table 2, p. 3, row 1
report
2173liq. + Re2Zr -> ReZr2Re2Zr: Zr 0.333333; ReZr2: Zr 0.666667experimental[2] Liu 2013
cites Savitskii 1959
Table 2, p. 3, row 5
report
2173Liquid + Re2Zr -> Re25Zr21Re2Zr: Re 0.666667, Zr 0.333333; Re25Zr21: Re 0.543478, Zr 0.456522experimental[1] Che 2023
cites Savitskii 1961 doi
Table 5, p. 8, row 8
report
1928Liquid + Re2Zr -> Re25Zr21Liquid: Re 0.2062; Re2Zr: Re 0.6371; Re25Zr21: Re 0.5435model[1] Che 2023Table 5, p. 8, row 12
report
1916Liquid + Re2Zr -> Re25Zr21Re2Zr: Re 0.666667, Zr 0.333333; Re25Zr21: Re 0.543478, Zr 0.456522experimental[1] Che 2023Table 5, p. 8, row 11
report
1913liq. + Re2Zr -> ReZr2Re2Zr: Zr 0.333333; ReZr2: Zr 0.666667unspecified[2] Liu 2013
cites Massalski 1990
Table 2, p. 3, row 4
report
1913liq. + Re2Zr -> ReZr2liq.: Zr 0.752; Re2Zr: Zr 0.361; ReZr2: Zr 0.6667model[2] Liu 2013Table 2, p. 3, row 6
report
1913Liquid + Re2Zr -> Re25Zr21Re2Zr: Re 0.666667, Zr 0.333333; Re25Zr21: Re 0.543478, Zr 0.456522experimental[1] Che 2023
cites Okamoto 1990
Table 5, p. 8, row 9
report
1913Liquid + Re2Zr -> Re25Zr21Liquid: Re 0.248; Re2Zr: Re 0.639; Re25Zr21: Re 0.3333model[1] Che 2023
cites Liu 2013 doi
Table 5, p. 8, row 10
report
1873eutectic: Liquid -> bcc (Zr) + Re25Zr21Liquid: Re 0.1404; Re25Zr21: Re 0.543478, Zr 0.456522experimental[1] Che 2023
cites Savitskii 1961 doi
Table 5, p. 8, row 14
report
1873eutectic: liq. -> ReZr2 + bccliq.: Zr 0.86; ReZr2: Zr 0.666667experimental[2] Liu 2013
cites Elliot 1965
Table 2, p. 3, row 8
report
1873eutectic: liq. -> ReZr2 + bccliq.: Zr 0.7776; ReZr2: Zr 0.6667; bcc: Zr 0.9348model[2] Liu 2013Table 2, p. 3, row 9
report
1873eutectic: Liquid -> bcc (Zr) + Re25Zr21Liquid: Re 0.2224; bcc (Zr): Re 0.0652; Re25Zr21: Re 0.3333model[1] Che 2023
cites Liu 2013 doi
Table 5, p. 8, row 15
report
1866eutectic: Liquid -> bcc (Zr) + Re25Zr21Liquid: Re 0.144; bcc (Zr): Re 0.0611; Re25Zr21: Re 0.5435model[1] Che 2023Table 5, p. 8, row 17
report
1866eutectic: Liquid -> bcc (Zr) + Re25Zr21Liquid: Re 0.144; Re25Zr21: Re 0.543478, Zr 0.456522experimental[1] Che 2023Table 5, p. 8, row 16
report
1866eutectic: liq. -> ReZr2 + bccliq.: Zr 0.765; ReZr2: Zr 0.666667unspecified[2] Liu 2013
cites Massalski 1990
Table 2, p. 3, row 7
report
1866eutectic: Liquid -> bcc (Zr) + Re25Zr21Liquid: Re 0.235; Re25Zr21: Re 0.543478, Zr 0.456522unspecified[1] Che 2023
cites Okamoto 1990
Table 5, p. 8, row 13
report
1016bcc (Zr) -> hcp (Zr) + Re25Zr21bcc (Zr): Re 0.0539; hcp (Zr): Re 0.0201; Re25Zr21: Re 0.5435model[1] Che 2023Table 5, p. 8, row 21
report
878bcc (Zr) -> hcp (Zr) + Re25Zr21bcc (Zr): Re 0.0536; hcp (Zr): Re 0.0049; Re25Zr21: Re 0.3333model[1] Che 2023
cites Liu 2013 doi
Table 5, p. 8, row 20
report
878bcc -> ReZr2 + hcp(Zr)bcc: Zr 0.9464; ReZr2: Zr 0.6667; hcp(Zr): Zr 0.9951model[2] Liu 2013Table 2, p. 3, row 11
report
823bcc -> ReZr2 + hcp(Zr)ReZr2: Zr 0.666667experimental[2] Liu 2013
cites Massalski 1990
Table 2, p. 3, row 10
report
823bcc (Zr) -> hcp (Zr) + Re25Zr21Re25Zr21: Re 0.543478, Zr 0.456522experimental[1] Che 2023
cites Savitskii 1961 doi
Table 5, p. 8, row 18
report
823bcc (Zr) -> hcp (Zr) + Re25Zr21Re25Zr21: Re 0.543478, Zr 0.456522experimental[1] Che 2023
cites Okamoto 1990
Table 5, p. 8, row 19
report

Other properties

Phase transition (14)

Phase transition, Re–Zr system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Phase transition1852 K1852other: 8
alloy: Re 0.2, Zr 0.8
experimental[1] Che 2023Table 3, p. 7, row 14
report
Phase transition1868 K1868other: 9
alloy: Re 0.1, Zr 0.9
experimental[1] Che 2023Table 3, p. 7, row 16
report
Phase transition1880 K1880other: 7
alloy: Re 0.333, Zr 0.667
experimental[1] Che 2023Table 3, p. 7, row 12
report
Phase transition1912 K1912other: 6
alloy: Re 0.4, Zr 0.6
experimental[1] Che 2023Table 3, p. 7, row 10
report
Phase transition1920 K1920other: 5
alloy: Re 0.5, Zr 0.5
experimental[1] Che 2023Table 3, p. 7, row 8
report
Phase transition1982 K1982other: 10experimental[1] Che 2023Table 3, p. 7, row 18
report
Phase transition2029 K2029other: 10experimental[1] Che 2023Table 3, p. 7, row 17
report
Phase transition2126 K2126other: 11experimental[1] Che 2023Table 3, p. 7, row 19
report
Phase transition2723.15 K2723.15congruent transformationexperimental[2] Liu 2013
cites Savitskii 1959
p. 1
report
The congruent melting temperature of the Re2Zr compound was determined at 2,450 °C [8, 10].
Phase transition3023 K3023liq. -> Re2Zr
liq.: Zr 0.333333; Re2Zr: Zr 0.333333
experimental[2] Liu 2013
cites Massalski 1990
Table 2, p. 3, row 12
report
Phase transition3023.15 K3023.15congruent transformationmodel[2] Liu 2013
cites Massalski 1990
p. 1
report
Subsequently, the congruent melting temperature of Re2Zr was modified at 2,750 °C [4].
Phase transition3110 K3110other: 3
alloy: Re 0.75, Zr 0.25
experimental[1] Che 2023Table 3, p. 7, row 5
report
Phase transition3123 K3123other: 2
alloy: Re 0.92, Zr 0.08
experimental[1] Che 2023Table 3, p. 7, row 3
report
Phase transition3170 K3170liq. -> Re2Zr
liq.: Zr 0.335; Re2Zr: Zr 0.335
model[2] Liu 2013Table 2, p. 3, row 13
report

Phase equilibrium (30)

Phase equilibrium, Re–Zr system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Phase assemblageRe24Zr5 + Re2Zr
alloy: Re 0.8, Zr 0.2
experimental[1] Che 2023Table 2, p. 3, row 4
report
Phase assemblageRe24Zr5 + Re2Zr
alloy: Re 0.008, Zr 0.002
experimental[1] Che 2023Table 2, p. 3, row 21
report
Phase assemblage1373Re24Zr5 + Re2Zr
alloy: Re 0.75, Zr 0.25
experimental[1] Che 2023Table 2, p. 3, row 7
report
Phase assemblage1373Re2Zr + Re25Zr21
alloy: Re 0.6, Zr 0.4
experimental[1] Che 2023Table 2, p. 3, row 9
report
Phase assemblage1373Re2Zr + Re25Zr21 + hcp (Zr)
alloy: Re 0.5, Zr 0.5
experimental[1] Che 2023Table 2, p. 3, row 14
report
Phase assemblage1373Re2Zr + Re25Zr21 + hcp (Zr)
alloy: Re 0.4, Zr 0.6
experimental[1] Che 2023Table 2, p. 3, row 17
report
Phase composition(Re) + Re24Zr5 + Re24Zr5 + (Re)
(Re): Re 1, Zr 0; Re24Zr5: Re 0.8998, Zr 0.1002
experimental[1] Che 2023Table 2, p. 3, row 1
report
Phase compositionRe24Zr5 + Re2Zr
Re24Zr5: Re 0.834, Zr 0.166; Re2Zr: Re 0.6821, Zr 0.3179
experimental[1] Che 2023Table 2, p. 3, row 5
report
Phase compositionRe2Zr + hcp (Zr) + bcc (Zr) + Re25Zr21 + bcc (Zr)
Re2Zr: Re 0.6536, Zr 0.3464; hcp (Zr): Re 0.0097, Zr 0.9903; bcc (Zr): Re 0.0571, Zr 0.9429
experimental[1] Che 2023Table 2, p. 3, row 15
report
Phase compositionbcc (Zr) + Re25Zr21 + Re25Zr21 + bcc (Zr) + Re2Zr
bcc (Zr): Re 0.0721, Zr 0.9279; Re25Zr21: Re 0.5066, Zr 0.4934; Re25Zr21 + bcc (Zr): Re 0.144, Zr 0.856; Re2Zr: Re 0.6393, Zr 0.3607
experimental[1] Che 2023Table 2, p. 3, row 18
report
Phase compositionbcc (Zr) + Re2Zr
bcc (Zr): Re 0.0617, Zr 0.9383; Re2Zr: Re 0.6647, Zr 0.3353
experimental[1] Che 2023Table 2, p. 3, row 10
report
Phase compositionhcp (Zr) + Re2Zr
hcp (Zr): Re 0.0094, Zr 0.9906; Re2Zr: Re 0.6589, Zr 0.3411
experimental[1] Che 2023Table 2, p. 3, row 8
report
Phase compositionhcp (Zr) + Re2Zr
hcp (Zr): Re 0.0082, Zr 0.9918; Re2Zr: Re 0.6661, Zr 0.3339
experimental[1] Che 2023Table 2, p. 3, row 13
report
Phase composition1223(Re) + Re24Zr5
(Re): Re 1, Zr 0; Re24Zr5: Re 0.8976, Zr 0.1024
experimental[1] Che 2023Table 2, p. 3, row 2
report
Phase composition1223Re24Zr5 + Re2Zr
Re24Zr5: Re 0.8343, Zr 0.1657; Re2Zr: Re 0.6806, Zr 0.3194
experimental[1] Che 2023Table 2, p. 3, row 6
report
Phase composition1223Re2Zr + hcp (Zr) + Re25Zr21
Re2Zr: Re 0.6107, Zr 0.3893; hcp (Zr): Re 0.0075, Zr 0.9925; Re25Zr21: Re 0.5292, Zr 0.4708
experimental[1] Che 2023Table 2, p. 3, row 16
report
Phase composition1223hcp (Zr) + Re25Zr21
hcp (Zr): Re 0.0078, Zr 0.9922; Re25Zr21: Re 0.5436, Zr 0.4564
experimental[1] Che 2023Table 2, p. 3, row 19
report
Phase composition1223hcp (Zr) + Re25Zr21 + Re2Zr
hcp (Zr): Re 0.0114, Zr 0.9886; Re25Zr21: Re 0.5383, Zr 0.4617; Re2Zr: Re 0.656, Zr 0.344
experimental[1] Che 2023Table 2, p. 3, row 11
report
Phase composition1373(Re) + Re24Zr5
(Re): Re 1, Zr 0; Re24Zr5: Re 0.8529, Zr 0.1471
experimental[1] Che 2023Table 2, p. 3, row 3
report
Phase composition1373Re2Zr + Re25Zr21 + hcp (Zr)
Re25Zr21: Re 0.5256, Zr 0.4744; hcp (Zr): Re 0.0145, Zr 0.9855
experimental[1] Che 2023Table 2, p. 3, row 12
report
Phase composition1373hcp (Zr) + Re25Zr21 + Re2Zr
hcp (Zr): Re 0.0026, Zr 0.9974; Re25Zr21: Re 0.5286, Zr 0.4714
experimental[1] Che 2023Table 2, p. 3, row 20
report
Phase composition1892other: 8
liquid: Re 0.2, Zr 0.8
experimental[1] Che 2023Table 3, p. 7, row 13
report
Phase composition1912other: 7
liquid: Re 0.333, Zr 0.667
experimental[1] Che 2023Table 3, p. 7, row 11
report
Phase composition1951other: 9
liquid: Re 0.1, Zr 0.9
experimental[1] Che 2023Table 3, p. 7, row 15
report
Phase composition2140other: 6
liquid: Re 0.4, Zr 0.6
experimental[1] Che 2023Table 3, p. 7, row 9
report
Phase composition2767other: 5
liquid: Re 0.5, Zr 0.5
experimental[1] Che 2023Table 3, p. 7, row 7
report
Phase composition3183other: 2
liquid: Re 0.92, Zr 0.08
experimental[1] Che 2023Table 3, p. 7, row 2
report
Phase composition3230other: 3
liquid: Re 0.75, Zr 0.25
experimental[1] Che 2023Table 3, p. 7, row 4
report
Phase composition3263other: 4
liquid: Re 0.666, Zr 0.334
experimental[1] Che 2023Table 3, p. 7, row 6
report
Phase composition3453other: 1
liquid: Re 1, Zr 0
experimental[1] Che 2023Table 3, p. 7, row 1
report

Sources

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

  1. Xuezhen Che, Shengyang Qin, Junkun Huang, Xiangbiao Shi, Dandan Huang, A study on the phase diagram of Re-Zr refractory system, International Journal of Refractory Metals and Hard Materials 114, 106259 (2023). doi:10.1016/j.ijrmhm.2023.106259
  2. Jinming Liu, Yinghui Zhang, Zhixiang Wang, Thermodynamic description of the Re–Zr system, Monatsh Chem 144, 1613-1616 (2013). doi:10.1007/s00706-013-1040-5