Sn–Ti system

62 accepted literature values from 4 paper(s) (experimental 35, model 17, unspecified 10); 5 calculated phase diagram(s). 9 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 (13) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	35
model	17
unspecified	10

Accepted values by property group
Property group	Values
invariant reaction	38
phase transition	8
phase equilibrium	2
formation	14

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 file	Assessment	SHA-256	Links
SnTi-05Liu.tdb	C. Liu, U.E. Klotz, P.J. Uggowitzer, J.F. Loeffler, Monatshefte Chem., 136, 1921-30(2005). doi:10.1007/s00706-005-0392-x	`1a9211ad13916936858183cd805b3ef14de68d9f2d8c0252de9ad8175fc27e1d`	viewer · TDB · JSON
SnTi-07Yin.tdb	F. Yin, J.-C. Tedenac, F. Gascoin, Calphad, 31, 370-79(2007). doi:10.1016/j.calphad.2007.01.003	`b2dedaccad25576a364fbda42a94ddb27ff0d4bd0dfdd46a790222b3b2ea7a29`	viewer · TDB · JSON
SnTi-11Wan.tdb	J. Wang, C. Liu, C. Leinenbach, U.E. Klotz, P.J. Uggowitzer, J.F. Loeffler, Calphad, 35, 82-94(2011). doi:10.1016/j.calphad.2010.12.006	`f212f46d607d7fcfb04035600142e2901de00f9c9018cd5c1c21d3162de4a54a`	viewer · TDB · JSON
SnTi-19Tan.tdb	J. Tan, G. Xu, X. Tao, F. Chen, Y. Cui, L. Zhou, Calphad, 67, 101686(2019). doi:10.1016/j.calphad.2019.101686	`a09a2a0493b90176ca66f1e1e905d37264f33d794f4245fd1c96adf13a9baaa9`	viewer · TDB · JSON
SnTi-98Hay-LB.tdb	F.H. Hayes, COST 507, Final report round 2, 1998.	`1a838be0ab8391731edb2aac53a4e74e088119e446e12fcc90b0854e69bcb873`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
SnTi-05Liu.tdb	1863.43	SNTI3_D019 (x(Ti) 0.78452) + LIQUID (x(Ti) 0.83489) + BCC_A2 (x(Ti) 0.8567)
SnTi-05Liu.tdb	1816.87	LIQUID (x(Ti) 0.65199) + SNTI2_B82 (x(Ti) 0.66667) + SNTI3_D019 (x(Ti) 0.74608)
SnTi-05Liu.tdb	1778.47	LIQUID (x(Ti) 0.60557) + SN3TI5_D88 (x(Ti) 0.625) + SNTI2_B82 (x(Ti) 0.66667)
SnTi-05Liu.tdb	1778.47	LIQUID (x(Ti) 0.60572) + SN3TI5_D88 (x(Ti) 0.625) + SNTI2_B82 (x(Ti) 0.66667)
SnTi-05Liu.tdb	1762.55	SN5TI6_BETA (x(Ti) 0.54545) + LIQUID (x(Ti) 0.58056) + SN3TI5_D88 (x(Ti) 0.625)
SnTi-05Liu.tdb	1762.55	SN5TI6_BETA (x(Ti) 0.54545) + LIQUID (x(Ti) 0.57982) + SN3TI5_D88 (x(Ti) 0.625)
SnTi-05Liu.tdb	1762.54	SN5TI6_BETA (x(Ti) 0.54545) + LIQUID (x(Ti) 0.58014) + SN3TI5_D88 (x(Ti) 0.625)
SnTi-05Liu.tdb	1138.92	SNTI3_D019 (x(Ti) 0.75082) + HCP_A3 (x(Ti) 0.9042) + BCC_A2 (x(Ti) 0.91002)
SnTi-05Liu.tdb	1028.43	LIQUID (x(Ti) 0.0199) + SN3TI2 (x(Ti) 0.4) + SN5TI6_BETA (x(Ti) 0.54545)
SnTi-05Liu.tdb	952.02	SN3TI2 (x(Ti) 0.4) + SN5TI6_ALPHA (x(Ti) 0.54545) + SN5TI6_BETA (x(Ti) 0.54545)
SnTi-05Liu.tdb	952.02	SN5TI6_BETA (x(Ti) 0.54545) + SN5TI6_ALPHA (x(Ti) 0.54545) + SN3TI5_D88 (x(Ti) 0.625)
SnTi-05Liu.tdb	505.08	BCT_A5 (x(Ti) 0) + LIQUID (x(Ti) 0) + SN3TI2 (x(Ti) 0.4)
SnTi-07Yin.tdb	1847.14	SNTI3_D019 (x(Ti) 0.76743) + LIQUID (x(Ti) 0.84062) + BCC_A2 (x(Ti) 0.86415)
SnTi-07Yin.tdb	1821.11	LIQUID (x(Ti) 0.65046) + SNTI2_B82 (x(Ti) 0.67263) + SNTI3_D019 (x(Ti) 0.75071)
SnTi-07Yin.tdb	1787.75	LIQUID (x(Ti) 0.59898) + SN3TI5_D88 (x(Ti) 0.625) + SNTI2_B82 (x(Ti) 0.64488)
SnTi-07Yin.tdb	1760.06	SN5TI6 (x(Ti) 0.54545) + LIQUID (x(Ti) 0.56269) + SN3TI5_D88 (x(Ti) 0.625)
SnTi-07Yin.tdb	1760.06	SN5TI6 (x(Ti) 0.54545) + LIQUID (x(Ti) 0.56283) + SN3TI5_D88 (x(Ti) 0.625)
SnTi-07Yin.tdb	1157.37	SNTI3_D019 (x(Ti) 0.76292) + HCP_A3 (x(Ti) 0.88438) + BCC_A2 (x(Ti) 0.89171)
SnTi-07Yin.tdb	1024.82	LIQUID (x(Ti) 0.13228) + SN3TI2 (x(Ti) 0.4) + SN5TI6 (x(Ti) 0.54545)
SnTi-07Yin.tdb	1024.82	LIQUID (x(Ti) 0.13245) + SN3TI2 (x(Ti) 0.4) + SN5TI6 (x(Ti) 0.54545)
SnTi-07Yin.tdb	506.79	LIQUID (x(Ti) 6.000e-5) + BCC_A2 (x(Ti) 0.15272) + SN3TI2 (x(Ti) 0.4)
SnTi-07Yin.tdb	505.06	BCT_A5 (x(Ti) 0) + LIQUID (x(Ti) 6.000e-5) + BCC_A2 (x(Ti) 0.152)
SnTi-07Yin.tdb	504.51	BCT_A5 (x(Ti) 0) + BCC_A2 (x(Ti) 0.15223) + SN3TI2 (x(Ti) 0.4)
SnTi-11Wan.tdb	1849	SNTI3_D019 (x(Ti) 0.76652) + LIQUID (x(Ti) 0.8393) + BCC_A2 (x(Ti) 0.86499)
SnTi-11Wan.tdb	1828.43	LIQUID (x(Ti) 0.65197) + SNTI2_B82 (x(Ti) 0.67158) + SNTI3_D019 (x(Ti) 0.74904)
SnTi-11Wan.tdb	1780.01	LIQUID (x(Ti) 0.59138) + SN3TI5_D88 (x(Ti) 0.625) + SNTI2_B82 (x(Ti) 0.65372)
SnTi-11Wan.tdb	1746.49	SN5TI6 (x(Ti) 0.54545) + LIQUID (x(Ti) 0.55447) + SN3TI5_D88 (x(Ti) 0.625)
SnTi-11Wan.tdb	1746.48	SN5TI6 (x(Ti) 0.54545) + LIQUID (x(Ti) 0.554) + SN3TI5_D88 (x(Ti) 0.625)
SnTi-11Wan.tdb	1161.85	SNTI3_D019 (x(Ti) 0.76475) + HCP_A3 (x(Ti) 0.88729) + BCC_A2 (x(Ti) 0.89614)
SnTi-11Wan.tdb	1024.74	LIQUID (x(Ti) 0.17808) + SN3TI2 (x(Ti) 0.4) + SN5TI6 (x(Ti) 0.54545)
SnTi-11Wan.tdb	1024.74	LIQUID (x(Ti) 0.17819) + SN3TI2 (x(Ti) 0.4) + SN5TI6 (x(Ti) 0.54545)
SnTi-11Wan.tdb	505.01	SNTI3_D019 (x(Ti) 6.000e-5) + LIQUID (x(Ti) 2.800e-4) + SN3TI2 (x(Ti) 0.4)
SnTi-19Tan.tdb	1849.02	SNTI3_D019 (x(Ti) 0.76649) + LIQUID (x(Ti) 0.83932) + BCC_A2 (x(Ti) 0.865)
SnTi-19Tan.tdb	1823.79	LIQUID (x(Ti) 0.64892) + SNTI2_B82 (x(Ti) 0.6679) + SNTI3_D019 (x(Ti) 0.74713)
SnTi-19Tan.tdb	1785.3	LIQUID (x(Ti) 0.60095) + SN3TI5_D88 (x(Ti) 0.6247) + SNTI2_B82 (x(Ti) 0.6665)
SnTi-19Tan.tdb	1758.93	SN5TI6 (x(Ti) 0.54545) + LIQUID (x(Ti) 0.5646) + SN3TI5_D88 (x(Ti) 0.62458)
SnTi-19Tan.tdb	1161.85	SNTI3_D019 (x(Ti) 0.76475) + HCP_A3 (x(Ti) 0.88729) + BCC_A2 (x(Ti) 0.89614)
SnTi-19Tan.tdb	1006.95	LIQUID (x(Ti) 0.16642) + SN3TI2 (x(Ti) 0.4) + SN5TI6 (x(Ti) 0.54545)
SnTi-19Tan.tdb	1006.95	LIQUID (x(Ti) 0.16649) + SN3TI2 (x(Ti) 0.4) + SN5TI6 (x(Ti) 0.54545)
SnTi-19Tan.tdb	504.99	BCT_A5 (x(Ti) 0) + LIQUID (x(Ti) 2.800e-4) + SN3TI2 (x(Ti) 0.4)
SnTi-19Tan.tdb	504.99	BCT_A5 (x(Ti) 0) + LIQUID (x(Ti) 2.800e-4) + SN3TI2 (x(Ti) 0.4)
SnTi-98Hay-LB.tdb	1879.81	SNTI3_D019 (x(Ti) 0.77724) + LIQUID (x(Ti) 0.82819) + BCC_A2 (x(Ti) 0.84628)
SnTi-98Hay-LB.tdb	1835.88	LIQUID (x(Ti) 0.65877) + SNTI2_B82 (x(Ti) 0.66667) + SNTI3_D019 (x(Ti) 0.75031)
SnTi-98Hay-LB.tdb	1774.74	LIQUID (x(Ti) 0.58953) + SN3TI5_D88 (x(Ti) 0.625) + SNTI2_B82 (x(Ti) 0.66667)
SnTi-98Hay-LB.tdb	1774.73	LIQUID (x(Ti) 0.58914) + SN3TI5_D88 (x(Ti) 0.625) + SNTI2_B82 (x(Ti) 0.66667)
SnTi-98Hay-LB.tdb	1774.73	LIQUID (x(Ti) 0.58907) + SN3TI5_D88 (x(Ti) 0.625) + SNTI2_B82 (x(Ti) 0.66667)
SnTi-98Hay-LB.tdb	1746.91	SN5TI6 (x(Ti) 0.54545) + LIQUID (x(Ti) 0.56134) + SN3TI5_D88 (x(Ti) 0.625)
SnTi-98Hay-LB.tdb	1746.9	SN5TI6 (x(Ti) 0.54545) + LIQUID (x(Ti) 0.56104) + SN3TI5_D88 (x(Ti) 0.625)
SnTi-98Hay-LB.tdb	1746.9	SN5TI6 (x(Ti) 0.54545) + LIQUID (x(Ti) 0.56086) + SN3TI5_D88 (x(Ti) 0.625)
SnTi-98Hay-LB.tdb	1163.27	SNTI3_D019 (x(Ti) 0.75004) + BCC_A2 (x(Ti) 0.91258) + HCP_A3 (x(Ti) 0.91421)
SnTi-98Hay-LB.tdb	504.81	BCT_A5 (x(Ti) 0) + LIQUID (x(Ti) 9.100e-4) + SN5TI6 (x(Ti) 0.54545)
SnTi-98Hay-LB.tdb	496.53	SN5TI6 (x(Ti) 0.54545) + SN3TI5_D88 (x(Ti) 0.625) + SNTI2_B82 (x(Ti) 0.66667)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull SnTi-05Liu · CALPHAD hull SnTi-07Yin · CALPHAD hull SnTi-11Wan · CALPHAD hull SnTi-98Hay-LB

Invariant reactions (literature)

Invariant reactions reported in the literature for the Sn–Ti system (38)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location	Quote
1943.15	congruent melting: L <-> Ti3Sn	Ti3Sn: Sn 0.25	unspecified	[1] Yin 2007	Table 1, p. 3, row 6 report
1936.15	congruent melting: L <-> Ti3Sn	Ti3Sn: Sn 0.0205	experimental	[1] Yin 2007 cites Pietrokowsky 1958	Table 1, p. 3, row 5 report
1880.15	eutectic: L <-> (βTi) + Ti3Sn	L: Sn 0.18; (βTi): Sn 0.16; Ti3Sn: Sn 0.25	experimental	[1] Yin 2007 cites Pietrokowsky 1958	Table 1, p. 3, row 2 report
1879.8	eutectic: Liquid -> SnTi3 + bcc-A2	L: Ti 0.828; SnTi3: Ti 0.777; bcc-A2: Ti 0.846	model	[2] (ed.) 1998	Table I, p. 302, row 2 report
1863.15	eutectic: L <-> (βTi) + Ti3Sn	L: Sn 0.16; (βTi): Sn 0.13; Ti3Sn: Sn 0.224	experimental	[1] Yin 2007 cites McQuillan 1957	Table 1, p. 3, row 1 report
1848.15	eutectic: L <-> (βTi) + Ti3Sn	Ti3Sn: Sn 0.25, Ti 0.75	experimental	[1] Yin 2007 cites Bondar 2005 doi	Table 1, p. 3, row 3 report
1848.15	eutectic: L ↔ (βTi) + Ti3 Sn		experimental	[1] Yin 2007 cites Bondar 2005 doi	p. 2 report	More recently, Bondar et al. [24] investigated the phase transformation of Ti81.5 Sn18.5 alloy by DTA and found the temperature of eutectic reaction of L ↔ (βTi) + Ti3 Sn is 1575 ◦ C, which is much lower than that of Pietrokowsky and Frink [17].
1847.15	eutectic: L <-> (βTi) + Ti3Sn	L: Sn 0.159; (βTi): Sn 0.136; Ti3Sn: Sn 0.228	unspecified	[1] Yin 2007	Table 1, p. 3, row 4 report
1835.9	peritectic: Liquid + SnTi3 -> SnTi2	L: Ti 0.659; SnTi3: Ti 0.75; SnTi2: Ti 0.667	model	[2] (ed.) 1998	Table I, p. 302, row 4 report
1825.15	peritectic: L + Ti3Sn <-> Ti2Sn	L: Sn 0.355; Ti3Sn: Sn 0.25; Ti2Sn: Sn 0.327	experimental	[1] Yin 2007 cites Pietrokowsky 1958	Table 1, p. 3, row 17 report
1821.15	peritectic: L + Ti3Sn <-> Ti2Sn	L: Sn 0.35; Ti3Sn: Sn 0.232; Ti2Sn: Sn 0.327	unspecified	[1] Yin 2007	Table 1, p. 3, row 18 report
1784.15	peritectic: L + Ti2Sn <-> Ti5Sn3	L: Sn 0.401; Ti2Sn: Sn 0.355; Ti5Sn3: Sn 0.375	unspecified	[1] Yin 2007	Table 1, p. 3, row 20 report
1783.15	peritectic: L + Ti2Sn <-> Ti5Sn3	L: Sn 0.38; Ti2Sn: Sn 0.359; Ti5Sn3: Sn 0.375	experimental	[1] Yin 2007 cites Pietrokowsky 1958	Table 1, p. 3, row 19 report
1774.7	peritectic: Liquid + SnTi2 -> + Sn3Ti5	L: Ti 0.589; SnTi2: Ti 0.667; Sn3Ti5: Ti 0.625	model	[2] (ed.) 1998	Table I, p. 302, row 5 report
1767.15	congruent melting: L <-> Ti6Sn5	Ti6Sn5: Sn 0.455	experimental	[1] Yin 2007 cites Pietrokowsky 1958	Table 1, p. 3, row 23 report
1763.15	congruent melting: L <-> Ti6Sn5	Ti6Sn5: Sn 0.455	unspecified	[1] Yin 2007	Table 1, p. 3, row 24 report
1760.15	eutectic: L <-> Ti5Sn3 + Ti6Sn5	L: Sn 0.437; Ti5Sn3: Sn 0.375; Ti6Sn5: Sn 0.455	unspecified	[1] Yin 2007	Table 1, p. 3, row 22 report
1748.15	eutectic: L <-> Ti5Sn3 + Ti6Sn5	L: Sn 0.39; Ti5Sn3: Sn 0.375; Ti6Sn5: Sn 0.455	experimental	[1] Yin 2007 cites Pietrokowsky 1958	Table 1, p. 3, row 21 report
1746.9	eutectic: Liquid -> Sn5Ti6 + Sn3Ti5	L: Ti 0.561; Sn5Ti6: Ti 0.545; Sn3Ti5: Ti 0.625	model	[2] (ed.) 1998	Table I, p. 302, row 6 report
1213.15	(βTi) + Ti3Sn <-> (αTi)	(βTi): Sn 0.083; Ti3Sn: Sn 0.23; (αTi): Sn 0.087	experimental	[1] Yin 2007 cites Finlay 1954	Table 1, p. 3, row 10 report
1213.15	(βTi) + Ti3Sn <-> (αTi)	(βTi): Sn 0.09; Ti3Sn: Sn 0.23; (αTi): Sn 0.125	experimental	[1] Yin 2007 cites McQuillan 1955	Table 1, p. 3, row 7 report
1163.3	peritectic: bcc-A2 + SnTi3 -> hcp-A3	bcc-A2: Ti 0.913; SnTi3: Ti 0.75; hcp-A3: Ti 0.912	model	[2] (ed.) 1998	Table I, p. 302, row 1 report
1158.15	(βTi) + Ti3Sn <-> (αTi)	Ti3Sn: Sn 0.25, Ti 0.75	experimental	[1] Yin 2007 cites Bondar 2005 doi	Table 1, p. 3, row 8 report
1154.15	(βTi) + Ti3Sn <-> (αTi)	(βTi): Sn 0.108; Ti3Sn: Sn 0.239; (αTi): Sn 0.114	unspecified	[1] Yin 2007	Table 1, p. 3, row 12 report
1153.15	(βTi) + Ti3Sn <-> (αTi)	(βTi): Sn 0.105; Ti3Sn: Sn 0.25	experimental	[1] Yin 2007 cites Worner 1953	Table 1, p. 3, row 9 report
1137.15	(βTi) + Ti3Sn <-> (αTi)	(βTi): Sn 0.095; Ti3Sn: Sn 0.25; (αTi): Sn 0.085	experimental	[1] Yin 2007 cites Pietrokowsky 1958	Table 1, p. 3, row 11 report
1118.15	polymorphic: (βTi) <-> (αTi)	(αTi): Sn 0.065	experimental	[1] Yin 2007 cites McQuillan 1957	Table 1, p. 3, row 14 report
1118.15	polymorphic: (βTi) <-> (αTi)	(αTi): Sn 0.05	experimental	[1] Yin 2007 cites Worner 1953	Table 1, p. 3, row 13 report
1115.15	polymorphic: (βTi) <-> (αTi)	(αTi): Sn 0.067	experimental	[1] Yin 2007 cites Glazova 1960	Table 1, p. 3, row 15 report
1114.15	polymorphic: (βTi) <-> (αTi)	(αTi): Sn 0.058	unspecified	[1] Yin 2007	Table 1, p. 3, row 16 report
1063.15	peritectic: L + Ti6Sn5 <-> Ti2Sn3	L: Sn 0.8; Ti6Sn5: Sn 0.454545, Ti 0.545455; Ti2Sn3: Sn 0.6, Ti 0.4	experimental	[1] Yin 2007 cites Eremenko 1962	Table 1, p. 3, row 26 report
1024.15	peritectic: L + Ti6Sn5 <-> Ti2Sn3	L: Sn 0.867; Ti6Sn5: Sn 0.455; Ti2Sn3: Sn 0.6	unspecified	[1] Yin 2007	Table 1, p. 3, row 28 report
1023.15	peritectic: L + Ti6Sn5 <-> Ti2Sn3	L: Sn 0.86; Ti6Sn5: Sn 0.454545, Ti 0.545455; Ti2Sn3: Sn 0.6, Ti 0.4	experimental	[1] Yin 2007	Table 1, p. 3, row 27 report
1023.15	peritectic: L + Ti6Sn5 <-> Ti2Sn3	L: Sn 0.8; Ti6Sn5: Sn 0.454545, Ti 0.545455; Ti2Sn3: Sn 0.6	experimental	[1] Yin 2007 cites Ch 1998	Table 1, p. 3, row 25 report
505.95	eutectic: L <-> Ti2Sn3 + (Sn)	Ti2Sn3: Sn 0.6, Ti 0.4	experimental	[1] Yin 2007	Table 1, p. 3, row 30 report
505.05	eutectic: L <-> Ti2Sn3 + (Sn)	L: Sn 0.9999; Ti2Sn3: Sn 0.455; (Sn): Sn 1	unspecified	[1] Yin 2007	Table 1, p. 3, row 31 report
504.8	other: Liquid -> bct-A5 + Sn5Ti6	L: Ti 0.001; bct-A5: Ti 0; Sn5Ti6: Ti 0.545	model	[2] (ed.) 1998	Table I, p. 302, row 8 report
504.15	eutectic: L <-> Ti2Sn3 + (Sn)	L: Sn 0.995; Ti2Sn3: Sn 0.455; (Sn): Sn 0.9998	experimental	[1] Yin 2007 cites Eremenko 1962	Table 1, p. 3, row 29 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, Sn–Ti system (14)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location
Sn3Ti2	Sn3Ti2	-36.8 kJ/mol-atom		model	-29.714 (mp-aaabkgrv)	-37.635 (oqmd-25350)	[3] Liu 2005	Table 2, p. 3, row 6 report
Sn3Ti5	Sn3Ti5	-94 kJ/mol-atom	298.15	experimental	-33.586 (mp-aaaabevv)	-40.265 (oqmd-19117)	[3] Liu 2005 cites Savin 1973	Table 2, p. 3, row 3 report
Sn3Ti5	Sn3Ti5	-50 kJ/mol-atom		model	-33.586 (mp-aaaabevv)	-40.265 (oqmd-19117)	[3] Liu 2005 cites de Boer FR 1988	Table 2, p. 3, row 4 report
Sn3Ti5	Sn3Ti5	-37.8 kJ/mol-atom		model	-33.586 (mp-aaaabevv)	-40.265 (oqmd-19117)	[3] Liu 2005	Table 2, p. 3, row 6 report
Sn5Ti6-L	Sn5Ti6	-115 kJ/mol-atom	298.15	experimental	-35.933 (mp-aaaabedy)	-43.231 (oqmd-18129)	[3] Liu 2005 cites Savin 1973	Table 2, p. 3, row 3 report
Sn5Ti6-L	Sn5Ti6	-52 kJ/mol-atom		model	-35.933 (mp-aaaabedy)	-43.231 (oqmd-18129)	[3] Liu 2005 cites de Boer FR 1988	Table 2, p. 3, row 4 report
Sn5Ti6-L	Sn5Ti6	-43.4 kJ/mol-atom ± 1.4	298.15	experimental	-35.933 (mp-aaaabedy)	-43.231 (oqmd-18129)	[3] Liu 2005 cites Meschel 1998 doi	Table 2, p. 3, row 5 report
Sn5Ti6-L	Sn5Ti6	-40.3 kJ/mol-atom		model	-35.933 (mp-aaaabedy)	-43.231 (oqmd-18129)	[3] Liu 2005	Table 2, p. 3, row 6 report
SnTi2	SnTi2	-92 kJ/mol-atom	298.15	experimental	-32.143 (mp-aaaabtrn)	-40.203 (oqmd-2170245)	[3] Liu 2005 cites Savin 1973	Table 2, p. 3, row 3 report
SnTi2	SnTi2	-47 kJ/mol-atom		model	-32.143 (mp-aaaabtrn)	-40.203 (oqmd-2170245)	[3] Liu 2005 cites de Boer FR 1988	Table 2, p. 3, row 4 report
SnTi2	SnTi2	-36.9 kJ/mol-atom		model	-32.143 (mp-aaaabtrn)	-40.203 (oqmd-2170245)	[3] Liu 2005	Table 2, p. 3, row 6 report
SnTi3	SnTi3	-50 kJ/mol-atom	298.15	experimental	-28.912 (mp-aaacjkvs)	-35.677 (oqmd-19372)	[3] Liu 2005 cites Savin 1973	Table 2, p. 3, row 3 report
SnTi3	SnTi3	-38 kJ/mol-atom		model	-28.912 (mp-aaacjkvs)	-35.677 (oqmd-19372)	[3] Liu 2005 cites de Boer FR 1988	Table 2, p. 3, row 4 report
SnTi3	SnTi3	-35.2 kJ/mol-atom		model	-28.912 (mp-aaacjkvs)	-35.677 (oqmd-19372)	[3] Liu 2005	Table 2, p. 3, row 6 report

Other properties

Phase transition (8)

Phase transition, Sn–Ti system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	504.15 K	504.15	eutectic: L ↔ Ti2Sn3 + (Sn) alloy: Sn 0.8, Ti 0.2	experimental	[1] Yin 2007	Table 2, p. 3, row 1 report
Phase transition	504.65 K	504.65	eutectic: L ↔ Ti2Sn3 + (Sn) alloy: Sn 0.85, Ti 0.15	experimental	[1] Yin 2007	Table 2, p. 3, row 4 report
Phase transition	1022.65 K	1022.65	peritectic: L + Ti6Sn5 ↔ Ti2Sn3 alloy: Sn 0.8, Ti 0.2	experimental	[1] Yin 2007	Table 2, p. 3, row 2 report
Phase transition	1023.75 K	1023.75	peritectic: L + Ti6Sn5 ↔ Ti2Sn3 alloy: Sn 0.85, Ti 0.15	experimental	[1] Yin 2007	Table 2, p. 3, row 5 report
Phase transition	1137.15 K	1137.15	other: (βTi) ↔ (αTi) + Ti3 Sn	experimental	[1] Yin 2007	p. 2 report	They reported a eutectoid reaction, (βTi) ↔ (αTi) + Ti3 Sn, occurring at 864 ◦ C.
Phase transition	1750 K	1750	congruent melting: Sn5Ti6 -> Liquid Sn5Ti6: Ti 0.545; L: Ti 0.545	model	[2] (ed.) 1998	Table I, p. 302, row 7 report
Phase transition	1848.15 K	1848.15	L ↔ bcc(Ti)+ SnTi3	experimental	[4] Wang 2011 cites Bondar 2005 doi	p. 5 report	Recently, Bondar et al. [70] determined the invariant reaction, L ↔ bcc(Ti)+ SnTi3 at 1575 °C through the Sn-81.5 at.% Ti alloy with the DTA method.
Phase transition	1947 K	1947	congruent melting: SnTi3 -> Liquid SnTi3: Ti 0.75; L: Ti 0.75	model	[2] (ed.) 1998	Table I, p. 302, row 3 report

Phase equilibrium (2)

Phase equilibrium, Sn–Ti system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase composition		1043.15	other: Ti15Sn85 liquid: Sn 0.85, Ti 0.15	experimental	[1] Yin 2007	Table 2, p. 3, row 6 report
Phase composition		1173.15	other: Ti20Sn80 liquid: Sn 0.8, Ti 0.2	experimental	[1] Yin 2007	Table 2, p. 3, row 3 report

Sources

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

Fucheng Yin, Jean-Claude Tedenac, Franck Gascoin, Thermodynamic modelling of the Ti–Sn system and calculation of the Co–Ti–Sn system, Calphad 31, 370-379 (2007). doi:10.1016/j.calphad.2007.01.003
I. Ansara, A. T. Dinsdale, M. H. Rand (eds.), COST 507: Thermochemical database for light metal alloys, Volume 2, EUR 18499 EN, Office for Official Publications of the European Communities, Luxembourg (1998), ISBN 92-828-3902-8.
Chunlei Liu, Ulrich E. Klotz, Peter J. Uggowitzer, Jörg F. Löffler, Thermodynamic Assessment of the Sn–Ti System, Monatsh. Chem. 136, 1921-1930 (2005). doi:10.1007/s00706-005-0392-x
Jiang Wang, Chunlei Liu, Christian Leinenbach, Ulrich E. Klotz, Peter J. Uggowitzer, Jörg F. Löffler, Experimental investigation and thermodynamic assessment of the Cu–Sn–Ti ternary system, Calphad 35, 82-94 (2011). doi:10.1016/j.calphad.2010.12.006

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). doi:10.5281/zenodo.23735569
R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). doi: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). doi: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). doi: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.

@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}
}