Al–Sm system

81 accepted literature values from 2 paper(s) (experimental 31, model 26, unspecified 24); 3 calculated phase diagram(s). 16 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	31
model	26
unspecified	24

Accepted values by property group
Property group	Values
invariant reaction	50
phase transition	2
phase equilibrium	5
crystal structure	24

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
AlSm-08Jia.tdb	B.R. Jia, L.B. Liu, D.Q. Yi, Z.P. Jin, J.F. Nie, J. Alloys Compd., 459, 267-73(2008). doi:10.1016/j.jallcom.2007.05.035	`b393d63733d46908256d716b9897ded94ab75c537fce89e4a064818d18a30896`	viewer · TDB · JSON
AlSm-08Zho.tdb	S.H. Zhou, R.E. Napolitano, Metall. Mater. Trans. A, 39A, 502-12(2008). doi:10.1007/s11661-007-9445-6	`2da381cdcf96b97e79fd003424493b1f196c5b0685c634bb2845b3dcab60eeda`	viewer · TDB · JSON
AlSm-98Sac.tdb	A. Saccone, G. Cacciamani, D. Maccio, G. Borzone, R. Ferro, Intermetallics, 6, 201-15(1998). doi:10.1016/S0966-9795(97)00066-6	`dbfe39f86fc8f00a9b3591ab3c337eb19cf22af91b24fe0d7530703f5e8d3b11`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
AlSm-08Jia.tdb	1651.18	AL11SM3_D13 (x(Sm) 0.21429) + LIQUID (x(Sm) 0.22344) + AL2SM_C15 (x(Sm) 0.33333)
AlSm-08Jia.tdb	1651.18	AL11SM3_D13 (x(Sm) 0.21429) + LIQUID (x(Sm) 0.22354) + AL2SM_C15 (x(Sm) 0.33333)
AlSm-08Jia.tdb	1651.18	AL11SM3_D13 (x(Sm) 0.21429) + LIQUID (x(Sm) 0.22366) + AL2SM_C15 (x(Sm) 0.33333)
AlSm-08Jia.tdb	1395.72	AL11SM3_D13 (x(Sm) 0.21429) + AL3SM_D019 (x(Sm) 0.25) + AL2SM_C15 (x(Sm) 0.33333)
AlSm-08Jia.tdb	1346.78	LIQUID (x(Sm) 0.11469) + AL11SM3_LT (x(Sm) 0.21429) + AL11SM3_D13 (x(Sm) 0.21429)
AlSm-08Jia.tdb	1346.78	AL11SM3_LT (x(Sm) 0.21429) + AL11SM3_D13 (x(Sm) 0.21429) + AL3SM_D019 (x(Sm) 0.25)
AlSm-08Jia.tdb	1236.44	AL2SM_C15 (x(Sm) 0.33333) + ALSM (x(Sm) 0.5) + LIQUID (x(Sm) 0.61313)
AlSm-08Jia.tdb	1236.44	AL2SM_C15 (x(Sm) 0.33333) + ALSM (x(Sm) 0.5) + LIQUID (x(Sm) 0.6131)
AlSm-08Jia.tdb	1187.99	BCC_A2 (x(Sm) 0.99817) + RHOMB_C19 (x(Sm) 0.99872) + HCP_A3 (x(Sm) 0.99998)
AlSm-08Jia.tdb	1187.99	BCC_A2 (x(Sm) 0.99817) + RHOMB_C19 (x(Sm) 0.99872) + HCP_A3 (x(Sm) 0.99998)
AlSm-08Jia.tdb	1132.52	ALSM (x(Sm) 0.5) + ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.66763)
AlSm-08Jia.tdb	1132.52	ALSM (x(Sm) 0.5) + ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.66755)
AlSm-08Jia.tdb	1132.52	ALSM (x(Sm) 0.5) + ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.66764)
AlSm-08Jia.tdb	1045.52	ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.7964) + BCC_A2 (x(Sm) 0.89426)
AlSm-08Jia.tdb	1045.52	ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.79649) + BCC_A2 (x(Sm) 0.89437)
AlSm-08Jia.tdb	983.51	ALSM2_C37 (x(Sm) 0.66667) + BCC_A2 (x(Sm) 0.90303) + RHOMB_C19 (x(Sm) 0.96307)
AlSm-08Jia.tdb	983.51	ALSM2_C37 (x(Sm) 0.66667) + BCC_A2 (x(Sm) 0.90302) + RHOMB_C19 (x(Sm) 0.96307)
AlSm-08Jia.tdb	893.81	FCC_A1 (x(Sm) 0) + LIQUID (x(Sm) 0.03264) + AL11SM3_LT (x(Sm) 0.21429)
AlSm-08Jia.tdb	536.68	FCC_A1 (x(Sm) 0) + AL11SM3_LT (x(Sm) 0.21429) + AL3SM_D019 (x(Sm) 0.25)
AlSm-08Zho.tdb	1585.25	AL4SM_D13 (x(Sm) 0.2) + LIQUID (x(Sm) 0.22797) + AL2SM_C15 (x(Sm) 0.33333)
AlSm-08Zho.tdb	1408.51	AL4SM_D13 (x(Sm) 0.2) + AL3SM_D019 (x(Sm) 0.25) + AL2SM_C15 (x(Sm) 0.33333)
AlSm-08Zho.tdb	1333.22	LIQUID (x(Sm) 0.14066) + AL4SM_D13 (x(Sm) 0.2) + AL3SM_D019 (x(Sm) 0.25)
AlSm-08Zho.tdb	1233	AL2SM_C15 (x(Sm) 0.33333) + ALSM (x(Sm) 0.5) + LIQUID (x(Sm) 0.58575)
AlSm-08Zho.tdb	1134.93	ALSM (x(Sm) 0.5) + ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.68551)
AlSm-08Zho.tdb	1059.06	ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.83373) + BCC_A2 (x(Sm) 0.94028)
AlSm-08Zho.tdb	1007.31	BCC_A2 (x(Sm) 0.96192) + RHOMB_C19 (x(Sm) 0.99998) + HCP_A3 (x(Sm) 0.99999)
AlSm-08Zho.tdb	1007.31	BCC_A2 (x(Sm) 0.96195) + RHOMB_C19 (x(Sm) 0.99998) + HCP_A3 (x(Sm) 0.99999)
AlSm-08Zho.tdb	974.41	ALSM2_C37 (x(Sm) 0.66667) + BCC_A2 (x(Sm) 0.95637) + RHOMB_C19 (x(Sm) 0.99998)
AlSm-08Zho.tdb	974.41	ALSM2_C37 (x(Sm) 0.66667) + BCC_A2 (x(Sm) 0.95637) + RHOMB_C19 (x(Sm) 0.99998)
AlSm-08Zho.tdb	974.41	ALSM2_C37 (x(Sm) 0.66667) + BCC_A2 (x(Sm) 0.95636) + RHOMB_C19 (x(Sm) 0.99998)
AlSm-08Zho.tdb	919.53	FCC_A1 (x(Sm) 0) + LIQUID (x(Sm) 0.01874) + AL3SM_D019 (x(Sm) 0.25)
AlSm-98Sac.tdb	1643.45	AL11SM3_D13 (x(Sm) 0.21429) + LIQUID (x(Sm) 0.22235) + AL2SM_C15 (x(Sm) 0.33333)
AlSm-98Sac.tdb	1643.45	AL11SM3_D13 (x(Sm) 0.21429) + LIQUID (x(Sm) 0.22237) + AL2SM_C15 (x(Sm) 0.33333)
AlSm-98Sac.tdb	1643.45	AL11SM3_D13 (x(Sm) 0.21429) + LIQUID (x(Sm) 0.22239) + AL2SM_C15 (x(Sm) 0.33333)
AlSm-98Sac.tdb	1404.46	AL11SM3_D13 (x(Sm) 0.21429) + AL3SM_D019 (x(Sm) 0.25) + AL2SM_C15 (x(Sm) 0.33333)
AlSm-98Sac.tdb	1345	AL3SM_D019 (x(Sm) 0.25) + LIQUID (x(Sm) 1) + BCC_A2 (x(Sm) 1)
AlSm-98Sac.tdb	1337.85	AL11SM3_D13 (x(Sm) 0.21429) + AL11SM3_LT (x(Sm) 0.21429) + AL3SM_D019 (x(Sm) 0.25)
AlSm-98Sac.tdb	1337.85	LIQUID (x(Sm) 0.11476) + AL11SM3_LT (x(Sm) 0.21429) + AL11SM3_D13 (x(Sm) 0.21429)
AlSm-98Sac.tdb	1215.45	AL2SM_C15 (x(Sm) 0.33333) + ALSM (x(Sm) 0.5) + LIQUID (x(Sm) 0.61667)
AlSm-98Sac.tdb	1215.45	AL2SM_C15 (x(Sm) 0.33333) + ALSM (x(Sm) 0.5) + LIQUID (x(Sm) 0.61665)
AlSm-98Sac.tdb	1187.99	BCC_A2 (x(Sm) 0.99817) + RHOMB_C19 (x(Sm) 0.99872) + HCP_A3 (x(Sm) 0.99998)
AlSm-98Sac.tdb	1187.99	BCC_A2 (x(Sm) 0.99817) + RHOMB_C19 (x(Sm) 0.99872) + HCP_A3 (x(Sm) 0.99998)
AlSm-98Sac.tdb	1121.37	ALSM (x(Sm) 0.5) + ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.67043)
AlSm-98Sac.tdb	1121.37	ALSM (x(Sm) 0.5) + ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.67034)
AlSm-98Sac.tdb	1121.37	ALSM (x(Sm) 0.5) + ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.67044)
AlSm-98Sac.tdb	1038.9	ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.79303) + BCC_A2 (x(Sm) 0.89027)
AlSm-98Sac.tdb	1038.9	ALSM2_C37 (x(Sm) 0.66667) + LIQUID (x(Sm) 0.79318) + BCC_A2 (x(Sm) 0.89044)
AlSm-98Sac.tdb	973.36	ALSM2_C37 (x(Sm) 0.66667) + BCC_A2 (x(Sm) 0.90015) + RHOMB_C19 (x(Sm) 0.96245)
AlSm-98Sac.tdb	973.36	ALSM2_C37 (x(Sm) 0.66667) + BCC_A2 (x(Sm) 0.90014) + RHOMB_C19 (x(Sm) 0.96244)
AlSm-98Sac.tdb	897.79	FCC_A1 (x(Sm) 0) + LIQUID (x(Sm) 0.03039) + AL11SM3_LT (x(Sm) 0.21429)
AlSm-98Sac.tdb	897.78	FCC_A1 (x(Sm) 0) + LIQUID (x(Sm) 0.03022) + AL11SM3_LT (x(Sm) 0.21429)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull AlSm-08Zho · CALPHAD hull AlSm-98Sac

Invariant reactions (literature)

Invariant reactions reported in the literature for the Al–Sm system (50)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location	Quote
1773	congruent melting: Liq -> δ	Liq: Sm 0.333; δ: Sm 0.333	experimental	[1] Zhou 2008 cites Casteels 1967 doi	Table I, p. 2, row 4 report
1757.6	congruent melting: Liq -> δ	Liq: Sm 0.333; δ: Sm 0.333	model	[1] Zhou 2008	Table I, p. 2, row 1 report
1753	congruent melting: Liq -> δ	Liq: Sm 0.333; δ: Sm 0.333	experimental	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 3 report
1747.1	congruent melting: Liq -> δ	Liq: Sm 0.333; δ: Sm 0.333	model	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 2 report
1723	congruent melting: Liq -> β	Liq: Sm 0.205; β: Sm 0.205	experimental	[1] Zhou 2008 cites Casteels 1967 doi	Table I, p. 2, row 8 report
1655	congruent melting: Liq -> β	Liq: Sm 0.2; β: Sm 0.2	model	[1] Zhou 2008	Table I, p. 2, row 5 report
1653	congruent melting: Liq -> β	Liq: Sm 0.2; β: Sm 0.2	experimental	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 7 report
1644.9	congruent melting: Liq -> β	Liq: Sm 0.214; β: Sm 0.214	model	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 6 report
1643.5	eutectic: Liq -> β + σ	Liq: Sm 0.222; β: Sm 0.214; σ: Sm 0.333	model	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 10 report
1613	eutectic: Liq -> β + σ	Liq: Sm 0.249; β: Sm 0.214; σ: Sm 0.333	experimental	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 11 report
1585.1	eutectic: Liq -> β + σ	Liq: Sm 0.228; β: Sm 0.2; σ: Sm 0.333	model	[1] Zhou 2008	Table I, p. 2, row 9 report
1501	eutectic: Liq -> β + σ	β: Sm 0.205; σ: Sm 0.333	experimental	[1] Zhou 2008 cites Casteels 1967 doi	Table I, p. 2, row 13 report
1473	eutectic: Liq -> β + σ	β: Sm 0.2; σ: Sm 0.333	experimental	[1] Zhou 2008 cites Buschow 1965	Table I, p. 2, row 12 report
1408.5	β + σ -> δ	β: Sm 0.2; σ: Sm 0.333; δ: Sm 0.25	model	[1] Zhou 2008	Table I, p. 2, row 14 report
1407	β + σ -> δ	σ: Al 0.666667, Sm 0.333333	experimental	[1] Zhou 2008 cites Casteels 1967 doi	Table I, p. 2, row 18 report
1404.3	β + σ -> δ	β: Sm 0.214; σ: Sm 0.333; δ: Sm 0.25	model	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 15 report
1403	β + σ -> δ	β: Sm 0.214; σ: Sm 0.333; δ: Sm 0.25	experimental	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 16 report
1378	β + σ -> δ	β: Sm 0.2; σ: Sm 0.333; δ: Sm 0.25	experimental	[1] Zhou 2008 cites Buschow 1965	Table I, p. 2, row 17 report
1361.5	β + σ -> α	σ: Al 0.666667, Sm 0.333333; α: Al 0.785714, Sm 0.214286	model	[1] Zhou 2008	Table I, p. 2, row 43 report
1351	β -> liq + δ	β: Sm 0.2	experimental	[1] Zhou 2008 cites Casteels 1967 doi	Table I, p. 2, row 23 report
1343	β -> liq + δ	β: Sm 0.2; liq: Sm 0.13; δ: Sm 0.25	experimental	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 21 report
1333.3	β -> liq + δ	β: Sm 0.2; liq: Sm 0.14; δ: Sm 0.25	model	[1] Zhou 2008	Table I, p. 2, row 19 report
1329.4	β -> liq + α	α: Al 0.785714, Sm 0.214286	model	[1] Zhou 2008	Table I, p. 2, row 44 report
1328	β -> liq + δ	β: Sm 0.2; δ: Sm 0.25	experimental	[1] Zhou 2008 cites Buschow 1965	Table I, p. 2, row 22 report
1321.3	β -> liq + α	α: Al 0.785714, Sm 0.214286	model	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 45 report
1321.3	β -> liq + δ	β: Sm 0.214; liq: Sm 0.112; δ: Sm 0.25	model	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 20 report
1233	Liq + σ -> θ	Liq: Sm 0.578; σ: Sm 0.333; θ: Sm 0.5	experimental	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 26 report
1232.8	Liq + σ -> θ	Liq: Sm 0.586; σ: Sm 0.333; θ: Sm 0.5	model	[1] Zhou 2008	Table I, p. 2, row 24 report
1215	Liq + σ -> θ	Liq: Sm 0.617; σ: Sm 0.333; θ: Sm 0.5	model	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 25 report
1134.7	Liq + θ -> χ	Liq: Sm 0.685; θ: Sm 0.667; χ: Sm 0.5	model	[1] Zhou 2008	Table I, p. 2, row 27 report
1133.15	peritectic		experimental	[2] Saccone 1998	p. 1 report	The following inter-metallic compounds exist: Sm2Al (peritectic decomposition, at 860°C) SmAl (per.dec.960"Q SmAl2 (melting point 148O"Q SmAls (peritectoidal decomposition at 113o"C), SmsAlr , (melting point -1380°C).
1133	Liq + θ -> χ	Liq: Sm 0.698; θ: Sm 0.5; χ: Sm 0.667	experimental	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 29 report
1121.5	Liq + θ -> χ	Liq: Sm 0.67; θ: Sm 0.5; χ: Sm 0.667	model	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 28 report
1059	eutectic: Liq -> bcc + χ	Liq: Sm 0.833; bcc: Sm 0.94; χ: Sm 0.667	model	[1] Zhou 2008	Table I, p. 2, row 30 report
1039	eutectic: Liq -> bcc + χ	Liq: Sm 0.793; bcc: Sm 0.891; χ: Sm 0.667	model	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 31 report
1033.15	eutectic		experimental	[2] Saccone 1998 cites Saccone 1992	p. 9 report	This region is characterised by the eutectic (20 at%Al, 760°C) formed by (YSm) and SmzAl.
1033	eutectic: Liq -> bcc + χ	Liq: Sm 0.789; bcc: Sm 0.879; χ: Sm 0.667	experimental	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 32 report
1013	eutectic: Liq -> bcc + χ	χ: Sm 0.667	experimental	[1] Zhou 2008 cites Buschow 1965	Table I, p. 2, row 33 report
974.5	Bcc -> rho + χ	rho: Sm 1; χ: Sm 0.667; bcc: Sm 0.957	model	[1] Zhou 2008	Table I, p. 2, row 34 report
973.6	Bcc -> rho + χ	rho: Sm 0.963; χ: Sm 0.667; bcc: Sm 0.9	model	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 35 report
973	Bcc -> rho + χ	rho: Sm 0.958; χ: Sm 0.667; bcc: Sm 0.9	experimental	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 36 report
919.5	eutectic: Liq -> fcc + δ	fcc: Sm 0; δ: Sm 0.25; liq: Sm 0.019	model	[1] Zhou 2008	Table I, p. 2, row 37 report
908	eutectic: Liq -> fcc + α	fcc: Sm 0; α: Sm 0.214; liq: Sm 0.03	experimental	[1] Zhou 2008 cites Guo 1995 doi	Table I, p. 2, row 42 report
906.2	eutectic: Liq -> fcc + α	fcc: Sm 0; α: Sm 0.214; liq: Sm 0.034	model	[1] Zhou 2008	Table I, p. 2, row 40 report
906	eutectic: Liq -> fcc + δ	fcc: Sm 0; δ: Sm 0.25	experimental	[1] Zhou 2008 cites Casteels 1967 doi	Table I, p. 2, row 39 report
903	eutectic: Liq -> fcc + δ	fcc: Sm 0; δ: Sm 0.25	experimental	[1] Zhou 2008 cites Buschow 1965	Table I, p. 2, row 38 report
897.8	eutectic: Liq -> fcc + α	fcc: Sm 0; α: Sm 0.214; liq: Sm 0.03	model	[1] Zhou 2008 cites Saccone 1998 doi	Table I, p. 2, row 41 report
873	polymorphic: β -> γ	β: Al 0.8, Sm 0.2; γ: Al 0.8, Sm 0.2	model	[1] Zhou 2008	Table I, p. 2, row 46 report
873	polymorphic: β -> γ	β: Al 0.8, Sm 0.2; γ: Al 0.8, Sm 0.2	experimental	[1] Zhou 2008 cites Guo 1995 doi	Table I, p. 2, row 47 report
873	polymorphic: β -> γ	β: Al 0.8, Sm 0.2; γ: Al 0.8, Sm 0.2	experimental	[1] Zhou 2008 cites Rizzi 2001 doi	Table I, p. 2, row 48 report

Other properties

Phase transition (2)

Phase transition, Al–Sm system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	1644.9 K	1644.9	congruent transformation	model	[1] Zhou 2008 cites Saccone 1998 doi	p. 9 report	Our model yields a eutectic (L fi b + r) temperature of 1585 K, where the previously reported model gives 1643.5 K, a value almost equal to the congruent melting temperature of 1644.9 K for the Al4Sm-b phase.[20]
Phase transition	1653.15 K	1653.15	SmsAlr	experimental	[2] Saccone 1998	p. 1 report	The following inter-metallic compounds exist: Sm2Al (peritectic decomposition, at 860°C) SmAl (per.dec.960"Q SmAl2 (melting point 148O"Q SmAls (peritectoidal decomposition at 113o"C), SmsAlr , (melting point -1380°C).

Phase equilibrium (5)

Phase equilibrium, Al–Sm system
Property	T (K)	Phases / composition	Class	Source	Location	Quote
Phase assemblage	973.15	(@m) + Sm2A1 alloy: Al 0.1	experimental	[2] Saccone 1998 cites Saccone 1992	p. 9 report	The ($m), which dissolves up to 12 at% Al at 760°C undergoes a eutectoidal decomposition in (@m) and Sm2A1 (10 at% Al, 700°C) (see the microphotograph, Fig. 9).
Phase composition		σ + δ σ: Al 0.693, Sm 0.307; δ: Al 0.769, Sm 0.231	experimental	[1] Zhou 2008	Table II, p. 3, row 1 report
Phase composition	1373	σ + δ σ: Al 0.684, Sm 0.316; δ: Al 0.754, Sm 0.246	experimental	[1] Zhou 2008	Table II, p. 3, row 2 report
Phase composition	1453	σ + β σ: Al 0.686, Sm 0.314; β: Al 0.79, Sm 0.21	experimental	[1] Zhou 2008	Table II, p. 3, row 4 report
Phase composition	1453	σ + δ + β σ: Al 0.687, Sm 0.313; δ: Al 0.756, Sm 0.244; β: Al 0.786, Sm 0.214	experimental	[1] Zhou 2008	Table II, p. 3, row 3 report

Crystal structure (24)

Crystal structure, Al–Sm system
Property	Value	T (K)	Phases / composition	Class	Source	Location
Lattice a	6.654 Å	298.15	Sm2Al alloy: Sm 0.666667	unspecified	[2] Saccone 1998	Table 1, p. 8, row 4 report
Lattice a	6.662 Å	298.15	Sm2Al alloy: Sm 0.666667	unspecified	[2] Saccone 1998	Table 1, p. 8, row 5 report
Lattice a	4.284 Å	298.15	Sm3Al11 alloy: Sm 0.214286	unspecified	[2] Saccone 1998	Table 1, p. 8, row 12 report
Lattice a	4.28 Å	298.15	Sm3Al11 alloy: Sm 0.214286	unspecified	[2] Saccone 1998	Table 1, p. 8, row 13 report
Lattice a	4.333 Å	298.15	Sm3Al11 (metastable?) alloy: Sm 0.214286	unspecified	[2] Saccone 1998	Table 1, p. 8, row 14 report
Lattice a	5.901 Å	298.15	SmAl alloy: Sm 0.5	unspecified	[2] Saccone 1998	Table 1, p. 8, row 7 report
Lattice a	5.899 Å	298.15	SmAl alloy: Sm 0.5	unspecified	[2] Saccone 1998	Table 1, p. 8, row 6 report
Lattice a	7.942 Å	298.15	SmAl2 alloy: Sm 0.333333	unspecified	[2] Saccone 1998	Table 1, p. 8, row 8 report
Lattice a	7.943 Å	298.15	SmAl2 alloy: Sm 0.333333	unspecified	[2] Saccone 1998	Table 1, p. 8, row 9 report
Lattice a	6.38 Å	298.15	SmAl3 alloy: Sm 0.25	unspecified	[2] Saccone 1998	Table 1, p. 8, row 10 report
Lattice a	6.382 Å	298.15	SmAl3 alloy: Sm 0.25	unspecified	[2] Saccone 1998	Table 1, p. 8, row 11 report
Lattice b	5.193 Å	298.15	Sm2Al alloy: Sm 0.666667	unspecified	[2] Saccone 1998	Table 1, p. 8, row 4 report
Lattice b	5.19 Å	298.15	Sm2Al alloy: Sm 0.666667	unspecified	[2] Saccone 1998	Table 1, p. 8, row 5 report
Lattice b	12.81 Å	298.15	Sm3Al11 (metastable?) alloy: Sm 0.214286	unspecified	[2] Saccone 1998	Table 1, p. 8, row 14 report
Lattice b	11.602 Å	298.15	SmAl alloy: Sm 0.5	unspecified	[2] Saccone 1998	Table 1, p. 8, row 7 report
Lattice b	11.62 Å	298.15	SmAl alloy: Sm 0.5	unspecified	[2] Saccone 1998	Table 1, p. 8, row 6 report
Lattice c	9.631 Å	298.15	Sm2Al alloy: Sm 0.666667	unspecified	[2] Saccone 1998	Table 1, p. 8, row 4 report
Lattice c	9.625 Å	298.15	Sm2Al alloy: Sm 0.666667	unspecified	[2] Saccone 1998	Table 1, p. 8, row 5 report
Lattice c	9.9 Å	298.15	Sm3Al11 alloy: Sm 0.214286	unspecified	[2] Saccone 1998	Table 1, p. 8, row 12 report
Lattice c	9.97 Å	298.15	Sm3Al11 (metastable?) alloy: Sm 0.214286	unspecified	[2] Saccone 1998	Table 1, p. 8, row 14 report
Lattice c	5.688 Å	298.15	SmAl alloy: Sm 0.5	unspecified	[2] Saccone 1998	Table 1, p. 8, row 7 report
Lattice c	5.678 Å	298.15	SmAl alloy: Sm 0.5	unspecified	[2] Saccone 1998	Table 1, p. 8, row 6 report
Lattice c	4.597 Å	298.15	SmAl3 alloy: Sm 0.25	unspecified	[2] Saccone 1998	Table 1, p. 8, row 10 report
Lattice c	4.6 Å	298.15	SmAl3 alloy: Sm 0.25	unspecified	[2] Saccone 1998	Table 1, p. 8, row 11 report

Sources

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

S.H. Zhou, R.E. Napolitano, Modeling of Thermodynamic Properties and Phase Equilibria for the Al-Sm Binary System, Metall Mater Trans A 39, 502-512 (2008). doi:10.1007/s11661-007-9445-6
A. Saccone, G. Cacciamani, D. Macciò, G. Borzone, R. Ferro, Contribution to the study of the alloys and intermetallic compounds of aluminium with the rare-earth metals, Intermetallics 6, 201-215 (1998). doi:10.1016/s0966-9795(97)00066-6

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}
}