{
  "counts": {
    "above_hull": 0,
    "entries": 5,
    "intervals": 4,
    "vertices": 5
  },
  "elements": [
    "AL",
    "SR"
  ],
  "flags": [
    "has_intermediate_phases"
  ],
  "isotherms": [
    {
      "element_reference": {
        "AL": {
          "energy": -8437.646098032861,
          "phase": "FCC_A1"
        },
        "SR": {
          "energy": -16605.166356737147,
          "phase": "FCC_A1"
        }
      },
      "intervals": [
        {
          "enthalpy": {
            "intercept": 0.0,
            "slope": -133429.99946569922
          },
          "entropy": {
            "intercept": 0.0,
            "slope": -34.230000125861984
          },
          "intercept": 0.0,
          "kind": "two_phase",
          "left": {
            "phase": "FCC_A1#1",
            "x": 0.0
          },
          "mu_a_rel": 0.0,
          "mu_b_rel": -123224.32492817352,
          "right": {
            "phase": "AL4SR_D13",
            "x": 0.2
          },
          "slope": -123224.32492817352,
          "x_hi": 0.2,
          "x_lo": 0.0
        },
        {
          "enthalpy": {
            "intercept": -24981.999866424816,
            "slope": -8520.000133575151
          },
          "entropy": {
            "intercept": -7.954499993159489,
            "slope": 5.542499839935458
          },
          "intercept": -22610.365693464322,
          "kind": "two_phase",
          "left": {
            "phase": "AL4SR_D13",
            "x": 0.2
          },
          "mu_a_rel": -22610.365693464322,
          "mu_b_rel": -32782.86215431623,
          "right": {
            "phase": "AL2SR",
            "x": 0.3333333333333333
          },
          "slope": -10172.49646085191,
          "x_hi": 0.3333333333333333,
          "x_lo": 0.2
        },
        {
          "enthalpy": {
            "intercept": -39503.66653309147,
            "slope": 35044.999866424805
          },
          "entropy": {
            "intercept": -11.035333326492875,
            "slope": 14.784999839935615
          },
          "intercept": -36213.48190179764,
          "kind": "two_phase",
          "left": {
            "phase": "AL2SR",
            "x": 0.3333333333333333
          },
          "mu_a_rel": -36213.48190179764,
          "mu_b_rel": -5576.6297376496,
          "right": {
            "phase": "AL7SR8",
            "x": 0.5333333333333333
          },
          "slope": 30636.85216414804,
          "x_hi": 0.5333333333333333,
          "x_lo": 0.3333333333333333
        },
        {
          "enthalpy": {
            "intercept": -44599.285580710515,
            "slope": 44599.285580710515
          },
          "entropy": {
            "intercept": -6.7500001682726,
            "slope": 6.7500001682726
          },
          "intercept": -42586.77303054003,
          "kind": "two_phase",
          "left": {
            "phase": "AL7SR8",
            "x": 0.5333333333333333
          },
          "mu_a_rel": -42586.77303054003,
          "mu_b_rel": 0.0,
          "right": {
            "phase": "FCC_A1#2",
            "x": 1.0
          },
          "slope": 42586.77303054003,
          "x_hi": 1.0,
          "x_lo": 0.5333333333333333
        }
      ],
      "phase_instances": {
        "FCC_A1#1": "FCC_A1",
        "FCC_A1#2": "FCC_A1"
      },
      "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#1",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.0
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -24644.864985634704,
          "energy_per_atom": -24644.864985634704,
          "enthalpy": -26685.999893139848,
          "entries_at_x": 1,
          "entropy": -6.846000025172398,
          "formula": "",
          "nsites": null,
          "phase": "AL4SR_D13",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.2
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -26001.197847081625,
          "energy_per_atom": -26001.197847081625,
          "enthalpy": -27821.999910949868,
          "entries_at_x": 1,
          "entropy": -6.107000046514337,
          "formula": "",
          "nsites": null,
          "phase": "AL2SR",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.3333333333333333
        },
        {
          "collinear": false,
          "degenerate": [],
          "energy": -19873.827414252017,
          "energy_per_atom": -19873.827414252017,
          "enthalpy": -20812.999937664907,
          "entries_at_x": 1,
          "entropy": -3.1500000785272135,
          "formula": "",
          "nsites": null,
          "phase": "AL7SR8",
          "phase_kind": "solution",
          "spacegroup_number": null,
          "spacegroup_symbol": "",
          "theoretical": false,
          "x": 0.5333333333333333
        },
        {
          "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#2",
          "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": "AlSr-04Zho-RK",
    "builder_version": 1,
    "engine": {
      "numpy": "2.5.1",
      "pycalphad": "0.11.2",
      "python": "3.13.15"
    },
    "fit_tol": 1.0,
    "observed_at": "2026-09-03T00:14:15Z",
    "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/AlSr-04Zho-RK.tdb",
    "source_sha256": "967e575d3bcd6d9789a119bc94b4987c2267315e4157d278dcb1b4f165de52e8"
  },
  "reference": {
    "kind": "calphad_formation_T",
    "per": "mole_atoms",
    "temperature_K": 298.15,
    "units": "J/mol-atoms"
  },
  "schema_version": 1,
  "system_id": "AL-SR",
  "x_element": "SR"
}
