{
  "counts": {
    "above_hull": 0,
    "entries": 7,
    "intervals": 6,
    "vertices": 7
  },
  "elements": [
    "AL",
    "MG"
  ],
  "flags": [
    "has_intermediate_phases",
    "solution_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "AL": {
          "energy": -8437.646013552454,
          "phase": "FCC_A1"
        },
        "MG": {
          "energy": -9740.858453934943,
          "phase": "HCP_A3"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                0.0,
                43.377607981594835,
                -0.1862515856159419,
                -0.0006815205406311975
              ]
            ],
            "knots": [
              0.0,
              0.004593848245571402
            ],
            "max_abs_error": 0.0001227149830942409
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.0,
                0.020684215432560663,
                -4.2050698489632526e-05,
                -1.7086242601202506e-05
              ]
            ],
            "knots": [
              0.0,
              0.004593848245571402
            ],
            "max_abs_error": 2.3844699528815377e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              0.0,
              37.21060915023946,
              -0.17371416983903742,
              0.004412742808106884
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.0,
            0.004593848245571402
          ],
          "max_abs_error": 0.0005954905379077502,
          "phase": "FCC_A1",
          "x_hi": 0.004593848245571402,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": 60.18233327232833,
            "slope": -3698.7853077799223
          },
          "entropy": {
            "intercept": 0.23958275184130082,
            "slope": 5.389161199364684
          },
          "intercept": -11.2492641891534,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1",
            "x": 0.004593848245571402
          },
          "mu_a_rel": -11.2492641891534,
          "mu_b_rel": -5316.8129835596765,
          "right": {
            "phase": "ALMG_BETA",
            "x": 0.385
          },
          "slope": -5305.563719370523,
          "x_hi": 0.385,
          "x_lo": 0.004593848245571402
        },
        {
          "enthalpy": {
            "intercept": -2132.3416187390203,
            "slope": 1996.0821000417627
          },
          "entropy": {
            "intercept": -0.024716433564927254,
            "slope": 6.075652590030211
          },
          "intercept": -2124.972414071634,
          "kind": "two_phase",
          "left": {
            "phase": "ALMG_BETA",
            "x": 0.385
          },
          "mu_a_rel": -2124.972414071634,
          "mu_b_rel": -1940.3461337474032,
          "right": {
            "phase": "AL12MG17_A12",
            "x": 0.5152920318738292
          },
          "slope": 184.6262803242307,
          "x_hi": 0.5152920318738292,
          "x_lo": 0.385
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                -1103.7764176215205,
                -76.16494043199569,
                100.61464623501676,
                -21.048937909037406
              ],
              [
                -1100.3756497275372,
                -52.388244947910266,
                166.0724383382144,
                -119.65376488016818
              ],
              [
                -1106.3452212174013,
                -22.51162660676183,
                205.09482438211933,
                -179.86969772543796
              ],
              [
                -1103.631721167482,
                -65.94281601990474,
                207.3065280648699,
                -139.6158152377567
              ],
              [
                -1101.8838243602734,
                108.22532836629738,
                -224.7040291789879,
                108.31320961683812
              ],
              [
                -1110.0493155561257,
                189.51474259691963,
                -343.29911473224854,
                155.7111989498577
              ],
              [
                -1108.122488741597,
                127.02847736198562,
                -145.54846095370857,
                56.529957499995525
              ],
              [
                -1070.1125148333242,
                5.521330629950172,
                0.2675334822470177,
                0.010538128401094582
              ],
              [
                -1064.313112592726,
                4.565926857430589,
                0.17588964304392007,
                0.0037683406770518957
              ],
              [
                -1059.567527751574,
                8.214872446002543,
                0.5401789787520652,
                0.030500736776447823
              ],
              [
                -1050.7819755900434,
                5.6319482377183485,
                0.2368829342827894,
                0.004964327259926904
              ],
              [
                -1044.908180090782,
                10.20086580728129,
                0.7260996026003266,
                0.038741992126604785
              ],
              [
                -1033.9424726887737,
                7.061509378520554,
                0.31478183918250036,
                0.005989495290237734
              ],
              [
                -1026.5601919757808,
                12.84833807937789,
                0.9567328665759067,
                0.04338389762740569
              ],
              [
                -1012.7117371321992,
                14.892008121182766,
                1.1123526728022064,
                0.04145099516496131
              ],
              [
                -996.6659253430494,
                10.342391298328037,
                0.4701745026378177,
                -0.0072756055645442075
              ]
            ],
            "knots": [
              0.5152920318738292,
              0.519945984080572,
              0.5227487402353211,
              0.5274200004932365,
              0.5302227566479856,
              0.5330255128027348,
              0.53769677306065,
              0.5414337812669823,
              0.5451707894733144,
              0.5479735456280637,
              0.552644805885979,
              0.5554475620407281,
              0.5601188222986434,
              0.5629215784533925,
              0.5675928387113078,
              0.5722640989692231,
              0.5750668462342727
            ],
            "max_abs_error": 21.783456991928688
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                -2.65323816905871,
                -0.2835481975167296,
                0.3663784683697372,
                -0.07410460525742155
              ],
              [
                -2.6445125034631243,
                -0.19798189696410914,
                0.6080375871073644,
                -0.4370193338977831
              ],
              [
                -2.6714761472176507,
                -0.09457229983926621,
                0.7526986928806237,
                -0.6589959559991653
              ],
              [
                -2.6723457101754597,
                -0.2865780589823683,
                0.848743584957925,
                -0.5643176466061868
              ],
              [
                -2.6744978308060894,
                0.3855914005517626,
                -0.810190860313881,
                0.37762954168292057
              ],
              [
                -2.7214677488852868,
                0.7421393228517914,
                -1.3346112513674906,
                0.577927115100811
              ],
              [
                -2.736012562300175,
                0.5100270661720032,
                -0.6358867290786243,
                0.2536992087553154
              ],
              [
                -2.608173016451481,
                -0.0006490206238787267,
                -0.0004795692777426197,
                2.9429633126909494e-05
              ],
              [
                -2.6092721767199754,
                -0.0011401301670524377,
                -0.00019886750252412055,
                1.050820601638646e-05
              ],
              [
                -2.6106006661835357,
                -0.002510987288413317,
                -0.0004086286524325406,
                8.547571494246179e-05
              ],
              [
                -2.6134348064094386,
                -0.0018433679195033466,
                -2.8033563381324672e-05,
                1.4043403405050942e-05
              ],
              [
                -2.6152921644889187,
                -0.003095968263111611,
                0.0001146914748926327,
                0.00011099276856873326
              ],
              [
                -2.618162448508569,
                -0.0015203902258043023,
                0.00019466052818861712,
                1.7410143446472404e-05
              ],
              [
                -2.6194707680627376,
                -0.0017983248440045934,
                0.0007800687842838236,
                0.00012818939483949879
              ],
              [
                -2.6203608347276184,
                0.00014645039314365246,
                0.001240655901447897,
                0.00012546255146888988
              ],
              [
                -2.6188482658815584,
                0.0017949328651887001,
                0.0006630046127875785,
                -2.5402829375810974e-05
              ]
            ],
            "knots": [
              0.5152920318738292,
              0.519945984080572,
              0.5227487402353211,
              0.5274200004932365,
              0.5302227566479856,
              0.5330255128027348,
              0.53769677306065,
              0.5414337812669823,
              0.5451707894733144,
              0.5479735456280637,
              0.552644805885979,
              0.5554475620407281,
              0.5601188222986434,
              0.5629215784533925,
              0.5675928387113078,
              0.5722640989692231,
              0.5750668462342727
            ],
            "max_abs_error": 0.07990134424301676
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              -312.71345751667536,
              5.012514209944711,
              -12.819719974928585,
              8.974213199857655
            ],
            [
              -311.5464500818016,
              3.130810958691649,
              0.9851767536858684,
              -3.980563160396036
            ],
            [
              -311.4110255298201,
              10.338359330703174,
              -3.9359765183630113,
              -3.886758640213154
            ],
            [
              -308.8954013576931,
              5.488828815111902,
              -16.290557845011108,
              15.214834282146512
            ],
            [
              -304.4822961054458,
              -6.7387477082326,
              16.854375823652084,
              -4.277038235964971
            ],
            [
              -298.6437062259913,
              -31.754096511328953,
              54.615229862939486,
              -16.597770417427224
            ],
            [
              -292.380343291808,
              -18.77706931291655,
              28.419502743586477,
              -11.151021056106531
            ],
            [
              -293.8889309172446,
              6.887951797077676,
              0.6385982170495481,
              0.0037677994434943685
            ],
            [
              -286.35861310367386,
              4.9058566667138,
              0.23518198896717024,
              0.000635319033889914
            ],
            [
              -281.216939128959,
              8.963523306055876,
              0.6620116114443952,
              0.005016152381390526
            ],
            [
              -271.5863880590773,
              6.181548382903201,
              0.24524114124119478,
              0.0007772865114930028
            ],
            [
              -265.1588212484214,
              6.6743572469530354,
              0.24947743876452844,
              0.0008035207770271668
            ],
            [
              -258.2341830419268,
              7.175721577007389,
              0.25383214056777437,
              0.0008088997701269918
            ],
            [
              -250.80382042458155,
              7.685816527274597,
              0.2581872608706135,
              0.0007888804702815833
            ],
            [
              -242.85902775596605,
              10.939423533492667,
              0.46612379651411473,
              0.0023261677920451973
            ],
            [
              -231.4511542581672,
              8.909006361864728,
              0.2675047570591005,
              0.0006191487011619756
            ],
            [
              -222.27402399054222,
              15.743136465732203,
              0.7517122344877869,
              0.002890409769189972
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.5152920318738292,
            0.5180774799774058,
            0.5218144881837381,
            0.5264857484416534,
            0.5302227566479856,
            0.5330255128027348,
            0.53769677306065,
            0.5404995292153992,
            0.5451707894733144,
            0.5479735456280637,
            0.552644805885979,
            0.5554475620407281,
            0.5582503181954772,
            0.5610530743502264,
            0.5638558305049756,
            0.5675928387113078,
            0.570395594866057,
            0.5750668462342727
          ],
          "max_abs_error": 4.776171076939306,
          "phase": "AL12MG17_A12",
          "x_hi": 0.5750668462342727,
          "x_lo": 0.5152920318738292
        },
        {
          "enthalpy": {
            "intercept": -2377.9767829444145,
            "slope": 2420.790134073633
          },
          "entropy": {
            "intercept": 6.955038721987794,
            "slope": -6.785937851095565
          },
          "intercept": -4451.621577905098,
          "kind": "two_phase",
          "left": {
            "phase": "AL12MG17_A12",
            "x": 0.5750668462342727
          },
          "mu_a_rel": -4451.621577905098,
          "mu_b_rel": -7.604073527301807,
          "right": {
            "phase": "HCP_A3",
            "x": 0.9969172394639128
          },
          "slope": 4444.017504377796,
          "x_hi": 0.9969172394639128,
          "x_lo": 0.5750668462342727
        },
        {
          "enthalpy": {
            "entropy_form": null,
            "hermite": [
              [
                35.35063483774691,
                -35.34424638871356,
                -0.007623050377823404,
                0.0012346013444712867
              ]
            ],
            "knots": [
              0.9969172394639128,
              1.0
            ],
            "max_abs_error": 0.00015465529015301627
          },
          "entropy": {
            "entropy_form": {
              "R": 8.31446261815324,
              "kind": "ideal_mixing_entropy"
            },
            "hermite": [
              [
                0.016228825767332367,
                -0.016374297731662702,
                0.0001283074170926185,
                1.7164547237717015e-05
              ]
            ],
            "knots": [
              0.9969172394639128,
              1.0
            ],
            "max_abs_error": 2.397583041873798e-06
          },
          "entropy_form": {
            "RT": 2478.957029602388,
            "kind": "ideal_mixing"
          },
          "hermite": [
            [
              30.51201043521438,
              -30.462249519898936,
              -0.045877907688701924,
              -0.003883007626740209
            ]
          ],
          "kind": "single_phase",
          "knots": [
            0.9969172394639128,
            1.0
          ],
          "max_abs_error": 0.0005601840036906225,
          "phase": "HCP_A3",
          "x_hi": 1.0,
          "x_lo": 0.9969172394639128
        }
      ],
      "temperature_K": 298.15,
      "vertices": [
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": 0.0,
          "enthalpy": 0.0,
          "entries_at_x": 1,
          "entropy": 0.0,
          "formula": "",
          "nsites": null,
          "phase": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -35.62221877315096,
          "energy_per_atom": -35.62221877315096,
          "enthalpy": 43.190674875438255,
          "entries_at_x": 1,
          "entropy": 0.26433974056210374,
          "formula": "",
          "nsites": null,
          "phase": "FCC_A1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.004593848245571402
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -2053.891296146805,
          "energy_per_atom": -2053.891296146805,
          "enthalpy": -1363.8500102229418,
          "entries_at_x": 1,
          "entropy": 2.314409813596704,
          "formula": "",
          "nsites": null,
          "phase": "ALMG_BETA",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.385
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -2029.8359629460538,
          "energy_per_atom": -2029.8359629460538,
          "enthalpy": -1103.7764176215205,
          "entries_at_x": 1,
          "entropy": 3.1060189345112335,
          "formula": "",
          "nsites": null,
          "phase": "AL12MG17_A12",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5152920318738292
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -1896.0144470526557,
          "energy_per_atom": -1896.0144470526557,
          "enthalpy": -985.8606351476482,
          "entries_at_x": 1,
          "entropy": 3.0526708432164895,
          "formula": "",
          "nsites": null,
          "phase": "AL12MG17_A12",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5750668462342727
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -21.303915311478704,
          "energy_per_atom": -21.303915311478704,
          "enthalpy": 35.35063483774691,
          "entries_at_x": 1,
          "entropy": 0.190020292299927,
          "formula": "",
          "nsites": null,
          "phase": "HCP_A3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.9969172394639128
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": 0.0,
          "energy_per_atom": 0.0,
          "enthalpy": 0.0,
          "entries_at_x": 1,
          "entropy": 0.0,
          "formula": "",
          "nsites": null,
          "phase": "HCP_A3",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 1.0
        }
      ]
    }
  ],
  "mp_agreement": {
    "comparable": false,
    "comparable_note": "CALPHAD isotherms have no upstream stability flag to compare against",
    "max_abs_delta_energy_above_hull": 0.0,
    "only_mp_stable": [],
    "only_ours_stable": [],
    "stable_sets_match": true
  },
  "provenance": {
    "assessment": "AlMg-98Zak",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:11:39Z",
    "phase_families": {},
    "sample_conditions": {
      "endpoint_tol": 1.0,
      "fit_samples": 65,
      "order_tol": 0.0001,
      "pressure_Pa": 101325.0,
      "redundant_tol": 1.0,
      "refine_tol": 1e-07,
      "step": 0.002,
      "temperature_K": 298.15
    },
    "source_path": "databases/sgte-binary/AlMg-98Zak.tdb",
    "source_sha256": "db0f47929753301caa1e48f847bfcb3837bb487098016a2d43b5036ce73df1ce"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "AL-MG",
  "x_element": "MG"
}
