Mg–Nd system

53 accepted literature values from 5 paper(s) (experimental 14, model 30, unspecified 9); 7 calculated phase diagram(s). 10 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 (11) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	14
model	30
unspecified	9

Accepted values by property group
Property group	Values
invariant reaction	42
phase transition	5
formation	6

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
MgNd-05Gor-RK.tdb	S. Gorsse, C.R. Hutchinson, B. Chevalier, J.-F. Nie, J. Alloys Compd., 392, 253-62(2005). doi:10.1016/j.jallcom.2004.09.040	`f7a30de1313053e09b79c78a7b89f55a1916f63ea9bc62ba6bc785c378fce115`	viewer · TDB · JSON
MgNd-05Gor-ass.tdb	S. Gorsse, C.R. Hutchinson, B. Chevalier, J.-F. Nie, J. Alloys Compd., 392, 253-62(2005). doi:10.1016/j.jallcom.2004.09.040	`78190c1f09693a34bc630c81c6145d8845bce082191f701009eea35bac4add0b`	viewer · TDB · JSON
MgNd-06Guo.tdb	C. Guo, Z. Du, Z. Metallkd., 97, 130-35(2006). doi:10.3139/ijmr-2006-0022	`40b7e9ee569d905d837652ec8e315c78c8cba6156bac727c53431fd145fb38c0`	viewer · TDB · JSON
MgNd-07Men.tdb	F. Meng, H. Liu, L. Liu, Z. Jin, Trans. Nonferrous Met. Soc. China, 17, 77-81(2007).	`e6ae632117b973961202a6cbb00a9b945311212dcdb2486535a6d673b2ccb6af`	viewer · TDB · JSON
MgNd-08Guo.tdb	C. Guo, Z. Du, C. Li, Int. J. Mater. Res., 99, 650-68(2008). doi:10.3139/146.101685	`cf2db92d7efdb61e874818bea701f9ba8c2cc2b3c4f2054c3ff80bb1444d4c4d`	viewer · TDB · JSON
MgNd-10Niu.tdb	C. Niu, M. Liu, C. Li, Z. Du, C. Guo, Calphad, 34, 428-33(2010). doi:10.1016/j.calphad.2010.07.010	`875ad4d46a8d6b2bc4c7144abe0ed13b9b2723dcea82aae5455bcf57be2048af`	viewer · TDB · JSON
MgNd-11Qi.tdb	H.Y. Qi, G.X. Huang, H. Bo, G.L. Xu, L.B. Liu, Z.P. Jin, J. Alloys Compd., 509, 3274-81(2011). doi:10.1016/j.jallcom.2010.07.056	`60cd25bc6483030fea580152619c02341534a0158d136cdc3fb856bfe435bb36`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
MgNd-05Gor-RK.tdb	1056.85	MGND_B2 (x(Nd) 0.5) + LIQUID (x(Nd) 0.58731) + BCC_A2 (x(Nd) 0.67214)
MgNd-05Gor-RK.tdb	1056.84	MGND_B2 (x(Nd) 0.5) + LIQUID (x(Nd) 0.58761) + BCC_A2 (x(Nd) 0.67246)
MgNd-05Gor-RK.tdb	1012.92	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.34964)
MgNd-05Gor-RK.tdb	1012.92	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.34988)
MgNd-05Gor-RK.tdb	1012.92	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.34924)
MgNd-05Gor-RK.tdb	1008.08	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.36791) + MGND_B2 (x(Nd) 0.5)
MgNd-05Gor-RK.tdb	1008.08	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.36829) + MGND_B2 (x(Nd) 0.5)
MgNd-05Gor-RK.tdb	1008.08	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.36829) + MGND_B2 (x(Nd) 0.5)
MgNd-05Gor-RK.tdb	933.42	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + MGND_B2 (x(Nd) 0.5)
MgNd-05Gor-RK.tdb	829.39	LIQUID (x(Nd) 0.08362) + MG41M5 (x(Nd) 0.1087) + MG3M_D03 (x(Nd) 0.25)
MgNd-05Gor-RK.tdb	829.39	LIQUID (x(Nd) 0.08374) + MG41M5 (x(Nd) 0.1087) + MG3M_D03 (x(Nd) 0.25)
MgNd-05Gor-RK.tdb	829.25	MGND_B2 (x(Nd) 0.5) + BCC_A2 (x(Nd) 0.81303) + DHCP (x(Nd) 0.93171)
MgNd-05Gor-RK.tdb	829.25	MGND_B2 (x(Nd) 0.5) + BCC_A2 (x(Nd) 0.8131) + DHCP (x(Nd) 0.93173)
MgNd-05Gor-RK.tdb	824.43	HCP_A3 (x(Nd) 0.00156) + LIQUID (x(Nd) 0.07657) + MG41M5 (x(Nd) 0.1087)
MgNd-05Gor-RK.tdb	824.43	HCP_A3 (x(Nd) 0.00156) + LIQUID (x(Nd) 0.07645) + MG41M5 (x(Nd) 0.1087)
MgNd-05Gor-ass.tdb	1055.38	MGND_B2 (x(Nd) 0.5) + LIQUID (x(Nd) 0.58116) + BCC_A2 (x(Nd) 0.67009)
MgNd-05Gor-ass.tdb	1055.38	MGND_B2 (x(Nd) 0.5) + LIQUID (x(Nd) 0.58124) + BCC_A2 (x(Nd) 0.67015)
MgNd-05Gor-ass.tdb	1025.39	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.35491)
MgNd-05Gor-ass.tdb	1023.18	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.37091) + MGND_B2 (x(Nd) 0.5)
MgNd-05Gor-ass.tdb	933.07	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + MGND_B2 (x(Nd) 0.5)
MgNd-05Gor-ass.tdb	830.97	LIQUID (x(Nd) 0.08463) + MG41M5 (x(Nd) 0.1087) + MG3M_D03 (x(Nd) 0.25)
MgNd-05Gor-ass.tdb	826.34	MGND_B2 (x(Nd) 0.5) + BCC_A2 (x(Nd) 0.81886) + DHCP (x(Nd) 0.92723)
MgNd-05Gor-ass.tdb	826.34	MGND_B2 (x(Nd) 0.5) + BCC_A2 (x(Nd) 0.8189) + DHCP (x(Nd) 0.92724)
MgNd-05Gor-ass.tdb	821.49	HCP_A3 (x(Nd) 2.700e-4) + LIQUID (x(Nd) 0.07413) + MG41M5 (x(Nd) 0.1087)
MgNd-06Guo.tdb	1048.04	MGND_B2 (x(Nd) 0.49565) + LIQUID (x(Nd) 0.61894) + BCC_A2 (x(Nd) 0.67813)
MgNd-06Guo.tdb	832.46	LIQUID (x(Nd) 0.06974) + MG41ND5 (x(Nd) 0.10345) + MG3M_D03 (x(Nd) 0.20644)
MgNd-06Guo.tdb	823.71	HCP_A3 (x(Nd) 2.600e-4) + LIQUID (x(Nd) 0.06012) + MG41ND5 (x(Nd) 0.10135)
MgNd-06Guo.tdb	818.35	MGND_B2 (x(Nd) 0.4997) + BCC_A2 (x(Nd) 0.84204) + DHCP (x(Nd) 0.92711)
MgNd-07Men.tdb	1128	DHCP (x(Nd) 1) + B2_BCC (x(Nd) 1) + BCC_A2 (x(Nd) 1)
MgNd-07Men.tdb	1054.06	B2_BCC (x(Nd) 0.53521) + LIQUID (x(Nd) 0.61376) + B2_BCC#2 (x(Nd) 0.69883)
MgNd-07Men.tdb	1054.06	B2_BCC (x(Nd) 0.53521) + LIQUID (x(Nd) 0.61376) + B2_BCC#2 (x(Nd) 0.69883)
MgNd-07Men.tdb	1054.06	B2_BCC (x(Nd) 0.53521) + LIQUID (x(Nd) 0.61376) + BCC_A2 (x(Nd) 0.69883)
MgNd-07Men.tdb	1054.06	B2_BCC (x(Nd) 0.53521) + LIQUID (x(Nd) 0.61376) + BCC_A2 (x(Nd) 0.69883)
MgNd-07Men.tdb	1028.31	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.33421)
MgNd-07Men.tdb	1028.3	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.33401)
MgNd-07Men.tdb	1028.3	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.33395)
MgNd-07Men.tdb	1016.26	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.38239) + B2_BCC (x(Nd) 0.49929)
MgNd-07Men.tdb	1016.26	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.38239) + B2_BCC (x(Nd) 0.49929)
MgNd-07Men.tdb	932.13	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + B2_BCC (x(Nd) 0.49991)
MgNd-07Men.tdb	932.13	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + B2_BCC (x(Nd) 0.49991)
MgNd-07Men.tdb	932.13	MG3M_D03 (x(Nd) 0.25) + MG2M_C15 (x(Nd) 0.33333) + B2_BCC (x(Nd) 0.49991)
MgNd-07Men.tdb	833.27	LIQUID (x(Nd) 0.08312) + MG41M5 (x(Nd) 0.1087) + MG3M_D03 (x(Nd) 0.25)
MgNd-07Men.tdb	833.27	LIQUID (x(Nd) 0.08331) + MG41M5 (x(Nd) 0.1087) + MG3M_D03 (x(Nd) 0.25)
MgNd-07Men.tdb	822.01	HCP_A3 (x(Nd) 0.00117) + LIQUID (x(Nd) 0.06316) + MG41M5 (x(Nd) 0.1087)
MgNd-07Men.tdb	822.01	HCP_A3 (x(Nd) 0.00117) + LIQUID (x(Nd) 0.06311) + MG41M5 (x(Nd) 0.1087)
MgNd-07Men.tdb	816.85	B2_BCC (x(Nd) 0.58395) + B2_BCC#2 (x(Nd) 0.81815) + DHCP (x(Nd) 0.94854)
MgNd-07Men.tdb	816.85	B2_BCC (x(Nd) 0.58395) + BCC_A2 (x(Nd) 0.81815) + DHCP (x(Nd) 0.94854)
MgNd-07Men.tdb	816.85	B2_BCC (x(Nd) 0.58395) + B2_BCC#2 (x(Nd) 0.81815) + DHCP (x(Nd) 0.94854)
MgNd-07Men.tdb	816.85	B2_BCC (x(Nd) 0.58395) + BCC_A2 (x(Nd) 0.81815) + DHCP (x(Nd) 0.94854)
MgNd-08Guo.tdb	1053.56	B2_BCC (x(Nd) 0.49564) + LIQUID (x(Nd) 0.60483) + B2_BCC#2 (x(Nd) 0.65412)
MgNd-08Guo.tdb	1053.56	B2_BCC (x(Nd) 0.49564) + LIQUID (x(Nd) 0.60483) + B2_BCC#2 (x(Nd) 0.65412)
MgNd-08Guo.tdb	1024.09	MG3M_D03 (x(Nd) 0.24934) + MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.33507)
MgNd-08Guo.tdb	1022.67	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.35332) + B2_BCC (x(Nd) 0.47691)
MgNd-08Guo.tdb	1022.67	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.35332) + B2_BCC (x(Nd) 0.47691)
MgNd-08Guo.tdb	933.21	MG3M_D03 (x(Nd) 0.24976) + MG2M_C15 (x(Nd) 0.33333) + B2_BCC (x(Nd) 0.48267)
MgNd-08Guo.tdb	933.21	MG3M_D03 (x(Nd) 0.24976) + MG2M_C15 (x(Nd) 0.33333) + B2_BCC (x(Nd) 0.48267)
MgNd-08Guo.tdb	833	LIQUID (x(Nd) 0.08177) + MG41M5 (x(Nd) 0.1087) + MG3M_D03 (x(Nd) 0.19478)
MgNd-08Guo.tdb	817.99	B2_BCC (x(Nd) 0.49964) + B2_BCC#2 (x(Nd) 0.81973) + DHCP (x(Nd) 0.92615)
MgNd-08Guo.tdb	817.99	B2_BCC (x(Nd) 0.49964) + B2_BCC#2 (x(Nd) 0.81974) + DHCP (x(Nd) 0.92615)
MgNd-08Guo.tdb	817.96	HCP_A3 (x(Nd) 0.00215) + LIQUID (x(Nd) 0.06554) + MG41M5 (x(Nd) 0.1087)
MgNd-08Guo.tdb	817.95	HCP_A3 (x(Nd) 0.00214) + LIQUID (x(Nd) 0.06539) + MG41M5 (x(Nd) 0.1087)
MgNd-10Niu.tdb	1053.56	B2_BCC (x(Nd) 0.49564) + LIQUID (x(Nd) 0.60483) + B2_BCC#2 (x(Nd) 0.65412)
MgNd-10Niu.tdb	1053.56	B2_BCC (x(Nd) 0.49564) + LIQUID (x(Nd) 0.60483) + B2_BCC#2 (x(Nd) 0.65412)
MgNd-10Niu.tdb	1024.09	MG3M_D03 (x(Nd) 0.24934) + MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.33507)
MgNd-10Niu.tdb	1022.67	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.35332) + B2_BCC (x(Nd) 0.47691)
MgNd-10Niu.tdb	1022.67	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.35332) + B2_BCC (x(Nd) 0.47691)
MgNd-10Niu.tdb	933.21	MG3M_D03 (x(Nd) 0.24976) + MG2M_C15 (x(Nd) 0.33333) + B2_BCC (x(Nd) 0.48267)
MgNd-10Niu.tdb	933.21	MG3M_D03 (x(Nd) 0.24976) + MG2M_C15 (x(Nd) 0.33333) + B2_BCC (x(Nd) 0.48267)
MgNd-10Niu.tdb	833	LIQUID (x(Nd) 0.08177) + MG41M5 (x(Nd) 0.1087) + MG3M_D03 (x(Nd) 0.19478)
MgNd-10Niu.tdb	817.99	B2_BCC (x(Nd) 0.49964) + B2_BCC#2 (x(Nd) 0.81973) + DHCP (x(Nd) 0.92615)
MgNd-10Niu.tdb	817.99	B2_BCC (x(Nd) 0.49964) + B2_BCC#2 (x(Nd) 0.81974) + DHCP (x(Nd) 0.92615)
MgNd-10Niu.tdb	817.44	HCP_A3 (x(Nd) 8.000e-5) + LIQUID (x(Nd) 0.0651) + MG41M5 (x(Nd) 0.1087)
MgNd-10Niu.tdb	817.44	HCP_A3 (x(Nd) 8.000e-5) + LIQUID (x(Nd) 0.06497) + MG41M5 (x(Nd) 0.1087)
MgNd-11Qi.tdb	1041.78	B2_BCC (x(Nd) 0.50047) + LIQUID (x(Nd) 0.61963) + BCC_A2 (x(Nd) 0.67918)
MgNd-11Qi.tdb	1041.78	B2_BCC (x(Nd) 0.50047) + LIQUID (x(Nd) 0.61963) + B2_BCC#2 (x(Nd) 0.67918)
MgNd-11Qi.tdb	1041.78	B2_BCC (x(Nd) 0.50047) + LIQUID (x(Nd) 0.61963) + B2_BCC#2 (x(Nd) 0.67918)
MgNd-11Qi.tdb	1021.22	MG3M_D03 (x(Nd) 0.24978) + MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.35033)
MgNd-11Qi.tdb	1020.31	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.35731) + B2_BCC (x(Nd) 0.45149)
MgNd-11Qi.tdb	1020.31	MG2M_C15 (x(Nd) 0.33333) + LIQUID (x(Nd) 0.35731) + B2_BCC (x(Nd) 0.45149)
MgNd-11Qi.tdb	948.51	MG3M_D03 (x(Nd) 0.24994) + MG2M_C15 (x(Nd) 0.33333) + B2_BCC (x(Nd) 0.47686)
MgNd-11Qi.tdb	948.51	MG3M_D03 (x(Nd) 0.24994) + MG2M_C15 (x(Nd) 0.33333) + B2_BCC (x(Nd) 0.47691)
MgNd-11Qi.tdb	831.98	LIQUID (x(Nd) 0.06966) + MG41ND5 (x(Nd) 0.10341) + MG3M_D03 (x(Nd) 0.2063)
MgNd-11Qi.tdb	825.53	HCP_A3 (x(Nd) 0.00949) + LIQUID (x(Nd) 0.06234) + MG41ND5 (x(Nd) 0.10186)
MgNd-11Qi.tdb	816.55	B2_BCC#2 (x(Nd) 0.50257) + B2_BCC (x(Nd) 0.82129) + DHCP (x(Nd) 0.91156)
MgNd-11Qi.tdb	816.55	B2_BCC (x(Nd) 0.50257) + BCC_A2 (x(Nd) 0.82129) + DHCP (x(Nd) 0.91156)
MgNd-11Qi.tdb	816.55	B2_BCC (x(Nd) 0.50257) + B2_BCC#2 (x(Nd) 0.82129) + DHCP (x(Nd) 0.91156)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull MgNd-05Gor-RK · CALPHAD hull MgNd-06Guo · CALPHAD hull MgNd-07Men · CALPHAD hull MgNd-08Guo · CALPHAD hull MgNd-10Niu

Invariant reactions (literature)

Invariant reactions reported in the literature for the Mg–Nd system (42)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1054	eutectic: L -> BCC_A2+BCC_B2	L: Nd 0.614; BCC_A2: Nd 0.699; BCC_B2: Nd 0.535	model	[1] MENG 2007	Table 3, p. 4, row 1 report
1053.6	eutectic: Liquid → bcc_B2 + bcc_A2	Liquid: Nd 0.605; bcc_B2: Nd 0.496; bcc_A2: Nd 0.654	model	[2] Niu 2010	Table 4, p. 3, row 1 report
1053.5	eutectic: Liquid → bcc_B2 + bcc_A2	Liquid: Nd 0.605; bcc_B2: Nd 0.496; bcc_A2: Nd 0.654	model	[2] Niu 2010 cites Guo 2008 doi	Table 4, p. 3, row 2 report
1048	eutectic: L -> MgNd(B2) + BCC_A2	Liquid: Nd 0.575; BCC_A2: Nd 0.66	experimental	[3] Qi 2011 cites Delfino 1990 doi	Table 2, p. 5, row 1 report
1048	eutectic: L -> BCC_A2+BCC_B2	L: Nd 0.575; BCC_A2: Nd 0.66	unspecified	[1] MENG 2007 cites ref. 8	Table 3, p. 4, row 2 report
1045	eutectic: L -> MgNd(B2) + BCC_A2	Liquid: Nd 0.615; B2: Nd 0.5; BCC_A2: Nd 0.674	model	[3] Qi 2011	Table 2, p. 5, row 2 report
1028	peritectic: L+Mg3Nd -> Mg2Nd	L: Nd 0.334; Mg3Nd: Nd 0.25; Mg2Nd: Nd 0.333	model	[1] MENG 2007	Table 3, p. 4, row 9 report
1024.1	Liquid + Mg3Nd → Mg2Nd	Liquid: Nd 0.335; Mg3Nd: Nd 0.249; Mg2Nd: Nd 0.333	model	[2] Niu 2010	Table 4, p. 3, row 3 report
1024.1	Liquid + Mg3Nd → Mg2Nd	Liquid: Nd 0.335; Mg3Nd: Nd 0.249; Mg2Nd: Nd 0.333	model	[2] Niu 2010 cites Guo 2008 doi	Table 4, p. 3, row 4 report
1023	L + Mg3Nd -> Mg2Nd	Mg3Nd: Mg 0.75, Nd 0.25; Mg2Nd: Mg 0.666667, Nd 0.333333	experimental	[3] Qi 2011 cites Delfino 1990 doi	Table 2, p. 5, row 3 report
1023	L + Mg3Nd -> Mg2Nd	Liquid: Nd 0.347; Mg3Nd: Nd 0.25; Mg2Nd: Nd 0.333	model	[3] Qi 2011	Table 2, p. 5, row 4 report
1023	eutectic: L -> Mg2Nd + MgNd(B2)	Liquid: Nd 0.355; Mg2Nd: Mg 0.666667, Nd 0.333333	experimental	[3] Qi 2011 cites Delfino 1990 doi	Table 2, p. 5, row 5 report
1023 (>)	peritectic: L+Mg3Nd -> Mg2Nd	Mg3Nd: Nd 0.25; Mg2Nd: Nd 0.333333	unspecified	[1] MENG 2007 cites ref. 8	Table 3, p. 4, row 10 report
1023	eutectic: L -> BCC_B2+Mg2Nd	L: Nd 0.355; Mg2Nd: Nd 0.333333	unspecified	[1] MENG 2007 cites ref. 8	Table 3, p. 4, row 8 report
1022.7	eutectic: Liquid → Mg2Nd + bcc_B2	Liquid: Nd 0.353; Mg2Nd: Nd 0.333; bcc_B2: Nd 0.477	model	[2] Niu 2010	Table 4, p. 3, row 5 report
1022.7	eutectic: Liquid → Mg2Nd + bcc_B2	Liquid: Nd 0.353; Mg2Nd: Nd 0.333; bcc_B2: Nd 0.477	model	[2] Niu 2010 cites Guo 2008 doi	Table 4, p. 3, row 6 report
1022	eutectic: L -> Mg2Nd + MgNd(B2)	Liquid: Nd 0.358; Mg2Nd: Nd 0.333; B2: Nd 0.451	model	[3] Qi 2011	Table 2, p. 5, row 6 report
1016	eutectic: L -> BCC_B2+Mg2Nd	L: Nd 0.382; BCC_B2: Nd 0.499; Mg2Nd: Nd 0.333	model	[1] MENG 2007	Table 3, p. 4, row 7 report
933.2	Mg2Nd → Mg3Nd + bcc_B2	Mg2Nd: Nd 0.333; Mg3Nd: Nd 0.25; bcc_B2: Nd 0.483	model	[2] Niu 2010 cites Guo 2008 doi	Table 4, p. 3, row 8 report
933.2	Mg2Nd → Mg3Nd + bcc_B2	Mg2Nd: Nd 0.333; Mg3Nd: Nd 0.25; bcc_B2: Nd 0.483	model	[2] Niu 2010	Table 4, p. 3, row 7 report
933	eutectoid: Mg2Nd -> BCC_B2+Mg3Nd	Mg2Nd: Nd 0.333333; Mg3Nd: Nd 0.25	unspecified	[1] MENG 2007 cites ref. 8	Table 3, p. 4, row 12 report
933	Mg2Nd -> Mg3Nd + MgNd(B2)	Mg3Nd: Mg 0.75, Nd 0.25; Mg2Nd: Mg 0.666667, Nd 0.333333	experimental	[3] Qi 2011 cites Delfino 1990 doi	Table 2, p. 5, row 7 report
932	eutectoid: Mg2Nd -> BCC_B2+Mg3Nd	Mg2Nd: Nd 0.333; BCC_B2: Nd 0.5; Mg3Nd: Nd 0.25	model	[1] MENG 2007	Table 3, p. 4, row 11 report
930	Mg2Nd -> Mg3Nd + MgNd(B2)	Mg3Nd: Nd 0.25; Mg2Nd: Nd 0.333; B2: Nd 0.481	model	[3] Qi 2011	Table 2, p. 5, row 8 report
833	peritectic: L+Mg3Nd -> Mg41Nd5	L: Nd 0.083; Mg3Nd: Nd 0.25; Mg41Nd5: Nd 0.109	model	[1] MENG 2007	Table 3, p. 4, row 15 report
833	peritectic: L+Mg3Nd -> Mg41Nd5	L: Nd 0.085; Mg3Nd: Nd 0.25; Mg41Nd5: Nd 0.108696	unspecified	[1] MENG 2007 cites ref. 8	Table 3, p. 4, row 16 report
833	Liquid + Mg3Nd → Mg41Nd5	Liquid: Nd 0.082; Mg3Nd: Nd 0.195; Mg41Nd5: Nd 0.109	model	[2] Niu 2010 cites Guo 2008 doi	Table 4, p. 3, row 10 report
833	Liquid + Mg3Nd → Mg41Nd5	Liquid: Nd 0.082; Mg3Nd: Nd 0.195; Mg41Nd5: Nd 0.109	model	[2] Niu 2010	Table 4, p. 3, row 9 report
833	L + Mg3Nd -> Mg41Nd5	Liquid: Nd 0.085; Mg3Nd: Mg 0.75, Nd 0.25; Mg41Nd5: Mg 0.891304, Nd 0.108696	experimental	[3] Qi 2011 cites Delfino 1990 doi	Table 2, p. 5, row 9 report
832	L + Mg3Nd -> Mg41Nd5	Liquid: Nd 0.07; Mg3Nd: Nd 0.206; Mg41Nd5: Nd 0.103	model	[3] Qi 2011	Table 2, p. 5, row 10 report
826	eutectic: L -> Mg41Nd5 + HCP_A3	Liquid: Nd 0.062; Mg41Nd5: Nd 0.102; HCP_A3: Nd 0.008	model	[3] Qi 2011	Table 2, p. 5, row 12 report
822	eutectic: L -> HCP_A3+Mg41Nd5	L: Nd 0.063; HCP_A3: Nd 0.001; Mg41Nd5: Nd 0.109	model	[1] MENG 2007	Table 3, p. 4, row 17 report
818	eutectic: L -> HCP_A3+Mg41Nd5	L: Nd 0.075; HCP_A3: Nd 0.001; Mg41Nd5: Nd 0.108696	unspecified	[1] MENG 2007 cites ref. 8	Table 3, p. 4, row 18 report
818	eutectoid: BCC_A2 -> dHCP+BCC_B2	BCC_A2: Nd 0.83; dHCP: Nd 0.92	unspecified	[1] MENG 2007 cites ref. 8	Table 3, p. 4, row 4 report
818	bcc_A2 → bcc_B2 + dhcp	bcc_A2: Nd 0.82; bcc_B2: Nd 0.5; dhcp: Nd 0.926	model	[2] Niu 2010	Table 4, p. 3, row 13 report
818	BCC_A2 -> MgNd(B2) + DHCP	BCC_A2: Nd 0.83; DHCP: Nd 0.92	experimental	[3] Qi 2011 cites Delfino 1990 doi	Table 2, p. 5, row 13 report
818	bcc_A2 → bcc_B2 + dhcp	bcc_A2: Nd 0.82; bcc_B2: Nd 0.5; dhcp: Nd 0.926	model	[2] Niu 2010 cites Guo 2008 doi	Table 4, p. 3, row 14 report
818	eutectic: L -> Mg41Nd5 + HCP_A3	Liquid: Nd 0.075; Mg41Nd5: Mg 0.891304, Nd 0.108696; HCP_A3: Nd 0.001	experimental	[3] Qi 2011 cites Delfino 1990 doi	Table 2, p. 5, row 11 report
818	eutectic: Liquid → hcp_A3 + Mg41Nd5	Liquid: Nd 0.065; hcp_A3: Nd 0.002; Mg41Nd5: Nd 0.109	model	[2] Niu 2010 cites Guo 2008 doi	Table 4, p. 3, row 12 report
817.4	eutectic: Liquid → hcp_A3 + Mg41Nd5	Liquid: Nd 0.065; hcp_A3: Nd 0; Mg41Nd5: Nd 0.109	model	[2] Niu 2010	Table 4, p. 3, row 11 report
817	eutectoid: BCC_A2 -> dHCP+BCC_B2	BCC_A2: Nd 0.818; dHCP: Nd 0.949; BCC_B2: Nd 0.584	model	[1] MENG 2007	Table 3, p. 4, row 3 report
816	BCC_A2 -> MgNd(B2) + DHCP	BCC_A2: Nd 0.821; B2: Nd 0.503; DHCP: Nd 0.911	model	[3] Qi 2011	Table 2, p. 5, row 14 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, Mg–Nd system (6)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location
NdMg	MgNd	-9.9 kJ/mol-atom	298.15	experimental	-10.505 (mp-aaaaabzb)	-11.091 (oqmd-90141)	[4] Hampl 2013 cites ref. 1967Ogr	Table 6, p. 10, row 11 report
R5Mg41		-18 kJ/mol-atom	298.15	experimental			[4] Hampl 2013 cites ref. 1972Pah	Table 6, p. 10, row 12 report
RMg		-13.9 kJ/mol-atom	298.15	experimental			[4] Hampl 2013 cites ref. 1972Pah	Table 6, p. 10, row 12 report
RMg		-9.9 kJ/mol-atom	298.15	experimental			[4] Hampl 2013 cites ref. 1967Ogr	Table 6, p. 10, row 11 report
RMg2		-18.7 kJ/mol-atom	298.15	experimental			[4] Hampl 2013 cites ref. 1972Pah	Table 6, p. 10, row 12 report
RMg3		-18.7 kJ/mol-atom	298.15	experimental			[4] Hampl 2013 cites ref. 1972Pah	Table 6, p. 10, row 12 report

Other properties

Phase transition (5)

Phase transition, Mg–Nd system
Property	Value	T (K)	Phases / composition	Class	Source	Location	Quote
Phase transition	1053 K	1053	congruent melting: L -> Mg3Nd L: Nd 0.25; Mg3Nd: Nd 0.25	unspecified	[1] MENG 2007 cites ref. 8	Table 3, p. 4, row 14 report
Phase transition	1053.15 K	1053.15	congruent transformation	experimental	[5] Gorsse 2005 cites Delfino 1990 doi	p. 3 report	The Mg3 Nd phase melts congruently at 780 ◦ C [8,9].
Phase transition	1058 K	1058	congruent melting: L -> Mg3Nd L: Nd 0.25; Mg3Nd: Nd 0.25	model	[1] MENG 2007	Table 3, p. 4, row 13 report
Phase transition	1073 K	1073	congruent melting: L -> BCC_B2	unspecified	[1] MENG 2007 cites ref. 8	Table 3, p. 4, row 6 report
Phase transition	1075 K	1075	congruent melting: L -> BCC_B2 L: Nd 0.512; BCC_B2: Nd 0.512	model	[1] MENG 2007	Table 3, p. 4, row 5 report

Sources

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

Fan-gui MENG, Hua-shan LIU, Li-bin LIU, Zhan-peng JIN, Thermodynamic optimization of Mg-Nd system, Transactions of Nonferrous Metals Society of China 17, 77-81 (2007). doi:10.1016/s1003-6326(07)60051-x
Chunju Niu, Miao Liu, Changrong Li, Zhenmin Du, Cuiping Guo, Thermodynamic description on the miscibility gap of the Mg-based solid solution in the Mg–Zn, Mg–Nd and Mg–Zn–Nd systems, Calphad 34, 428-433 (2010). doi:10.1016/j.calphad.2010.07.010
H.Y. Qi, G.X. Huang, H. Bo, G.L. Xu, L.B. Liu, Z.P. Jin, Thermodynamic description of the Mg–Nd–Zn ternary system, Journal of Alloys and Compounds 509, 3274-3281 (2011). doi:10.1016/j.jallcom.2010.07.056
M. Hampl, C. Blawert, M.R. Silva Campos, N. Hort, Q. Peng, K.U. Kainer et al., Thermodynamic assessment and experimental study of Mg–Gd alloys, Journal of Alloys and Compounds 581, 166-177 (2013). doi:10.1016/j.jallcom.2013.07.042
S. Gorsse, C.R. Hutchinson, B. Chevalier, J.-F. Nie, A thermodynamic assessment of the Mg–Nd binary system using random solution and associate models for the liquid phase, Journal of Alloys and Compounds 392, 253-262 (2005). doi:10.1016/j.jallcom.2004.09.040

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}
}