{
  "physical_measurements": 0,
  "classification": "MATERIAL_PROPERTY_AND_JOINT_REQUIREMENT_SCREEN",
  "reference_temperature_K": 293.15,
  "cold_temperature_K": 90.0,
  "test_length_mm": 500.0,
  "rows": [
    {
      "material_data_name": "6061-T6 aluminium",
      "source": "https://trc.nist.gov/cryogenics/materials/6061%20Aluminum/6061_T6Aluminum_rev.htm",
      "conductivity_at_90K_W_mK": 91.91421797276986,
      "specific_heat_at_90K_J_kgK": 433.3335740030277,
      "length_change_500mm_293p15_to_90K_mm": -1.8833361438266134,
      "sensible_heat_removed_per_kg_293p15_to_90K_J": 157275.53601604182
    },
    {
      "material_data_name": "3003-F aluminium",
      "source": "https://trc.nist.gov/cryogenics/materials/3003F%20Aluminum/3003FAluminum_rev.htm",
      "conductivity_at_90K_W_mK": 144.42780761928012,
      "specific_heat_at_90K_J_kgK": 433.3335740030277,
      "length_change_500mm_293p15_to_90K_mm": -1.8833361438266134,
      "sensible_heat_removed_per_kg_293p15_to_90K_J": 157275.53601604182
    },
    {
      "material_data_name": "316 stainless",
      "source": "https://trc.nist.gov/cryogenics/materials/316Stainless/316Stainless_rev.htm",
      "conductivity_at_90K_W_mK": 8.704844967285037,
      "specific_heat_at_90K_J_kgK": 245.80155118114706,
      "length_change_500mm_293p15_to_90K_mm": -1.3512430859194633,
      "sensible_heat_removed_per_kg_293p15_to_90K_J": 81335.76796621327
    }
  ],
  "6061_vs_316_differential_length_change_mm": 0.5320930579071501,
  "coefficients": {
    "6061-T6 aluminium": {
      "source": "https://trc.nist.gov/cryogenics/materials/6061%20Aluminum/6061_T6Aluminum_rev.htm",
      "k": [
        0.07918,
        1.0957,
        -0.07277,
        0.08084,
        0.02803,
        -0.09464,
        0.04179,
        -0.00571,
        0.0
      ],
      "cp": [
        46.6467,
        -314.292,
        866.662,
        -1298.3,
        1162.27,
        -637.795,
        210.351,
        -38.3094,
        2.96344
      ],
      "expansion": [
        -412.77,
        -0.30389,
        0.0087696,
        -9.9821e-06,
        0.0
      ]
    },
    "3003-F aluminium": {
      "source": "https://trc.nist.gov/cryogenics/materials/3003F%20Aluminum/3003FAluminum_rev.htm",
      "k": [
        0.63736,
        -1.1437,
        7.4624,
        -12.6905,
        11.9165,
        -6.18721,
        1.63939,
        -0.172667,
        0.0
      ],
      "cp": [
        46.6467,
        -314.292,
        866.662,
        -1298.3,
        1162.27,
        -637.795,
        210.351,
        -38.3094,
        2.96344
      ],
      "expansion": [
        -412.77,
        -0.30389,
        0.0087696,
        -9.9821e-06,
        0.0
      ]
    },
    "316 stainless": {
      "source": "https://trc.nist.gov/cryogenics/materials/316Stainless/316Stainless_rev.htm",
      "k": [
        -1.4087,
        1.3982,
        0.2543,
        -0.626,
        0.2334,
        0.4256,
        -0.4658,
        0.165,
        -0.0199
      ],
      "cp": [
        -1879.464,
        3643.198,
        76.70125,
        -6176.028,
        7437.6247,
        -4305.7217,
        1382.4627,
        -237.22704,
        17.05262
      ],
      "expansion": [
        -295.54,
        -0.39811,
        0.0092683,
        -2.0261e-05,
        1.7127e-08
      ]
    }
  },
  "limits": [
    "NIST temperature-dependent property fits are screened within their published cryogenic-to-room-temperature ranges.",
    "The calculation concerns a cold component, not cooling the vehicle body or increasing tyre grip.",
    "Fit errors, actual temper, joining, material certificates, gradients, stress, fatigue, seals and heat leakage require qualification.",
    "No cryogenic fit is extrapolated to the separate 700 K hot-side core; a high-temperature material and joining solution is required there."
  ],
  "hot_branch_candidate_reference": "https://www.specialmetals.com/documents/technical-bulletins/inconel/inconel-alloy-625.pdf"
}