ct_data_schema.json

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "NASA Ti64 30um Layers Data",
  "description": "Metadata associated with experimental results from NASA Ti64 30um layers study",
  "type": "object",
  "properties": {
    "Build_ID": {
      "title": "Build ID",
      "description": "BLD-1: Unique identifier for the build, formatted as DATE_LOC_MAT_GEOM_PART_[###]",
      "type": "string",
      "format": "custom",
      "template": "{{Parameter_Label}}_{{Build_Date}}_{{Location}}_{{Material}}_{{Geometry}}",
      "watch": {
        "Build_Date": "root.Build_Date",
        "Location": "root.Location",
        "Material": "root.Material",
        "Geometry": "root.Geometry",
        "Parameter_Label": "root.Parameter_Label"
      },
      "propertyOrder": 0
    },
    "Parameter_Label": {
      "title": "Parameter Label",
      "description": "",
      "type": "string",
      "pattern": "^[A-C][0-9]{2}$",
      "propertyOrder": 1
    },
    "DOE_Code": {
      "title": "DOE Code",
      "description": "",
      "type": "integer",
      "readOnly": true,
      "template": "{{charToOrd (firstChar Parameter_Label)}}",
      "watch": {
        "Parameter_Label": "root.Parameter_Label"
      },
      "propertyOrder": 2
    },
    "DOE_ID": {
      "title": "DOE ID",
      "description": "Derived from the Parameter_Label",
      "type": "string",
      "format": "custom",
      "template": "{{firstChar Parameter_Label}}",
      "watch": {
        "Parameter_Label": "root.Parameter_Label"
      },
      "propertyOrder": 3
    },
    "Build_Date": {
  "title": "Build Date",
  "description": "Estimated build date of the sample",
  "type": "string",
  "format": "date",
  "propertyOrder": 4
    },
    "Location": {
      "title": "Build Location",
      "description": "Facility where the sample was built",
      "type": "string",
      "const": "JHUAPL_EOSM290",
      "default": "JHUAPL_EOSM290",
      "propertyOrder": 5
    },
    "Material": {
      "title": "Material",
      "description": "Material used in the build",
      "type": "string",
      "const": "Ti64",
      "default": "Ti64",
      "propertyOrder": 6
    },
    "Geometry": {
      "title": "Build Geometry",
      "description": "Geometry of the sample",
      "type": "string",
      "const": "Cylinder",
      "default": "Cylinder",
      "propertyOrder": 7
    },
    "Specimen_Position": {
      "title": "Specimen Position",
      "description": "On build plate or on top of other material",
      "type": "string",
      "enum": [
        "On Build Plate",
        "On Top Of Other Material"
      ],
      "propertyOrder": 8
    },
    "Orientation": {
      "title": "Orientation",
      "description": "Horizontal (XY plane) or Vertical (Z direction)",
      "type": "string",
      "enum": [
        "Horizontal",
        "Vertical"
      ],
      "propertyOrder": 9
    },
    "Modulus_GPa": {
      "title": "Elastic Modulus",
      "description": "Elastic Modulus in GPa",
      "type": "number",
      "propertyOrder": 10
    },
    "Yield_Strength_MPa": {
      "title": "Yield Strength",
      "description": "Yield Strength in MPa (-1 if not tested)",
      "type": "number",
      "propertyOrder": 11
    },
    "Peak_Stress_MPa": {
      "title": "Ultimate Tensile Strength",
      "description": "Peak stress in MPa (-1 if not tested)",
      "type": "number",
      "propertyOrder": 12
    },
    "Elongation_Percent": {
      "title": "Elongation %",
      "description": "Engineering strain at failure in percentage (-1 if not tested)",
      "type": "number",
      "propertyOrder": 13
    },
    "Hatch_mm": {
      "title": "Hatch Spacing",
      "description": "PRC-3-2-6: Hatch spacing in mm",
      "type": "number",
      "propertyOrder": 14
    },
    "Speed_mm_per_s": {
      "title": "Speed",
      "description": "PRC-3-2-9: Laser speed in mm/s",
      "type": "number",
      "propertyOrder": 15
    },
    "Power_W": {
      "title": "Power",
      "description": "PRC-3-2-3:Laser Power in Watts",
      "type": "number",
      "propertyOrder": 16
    },
    "Layer_mm": {
      "title": "Layer Thickness",
      "description": "PRC-3-2-1:Layer thickness in mm",
      "type": "number",
      "propertyOrder": 17
    },
    "VED_J_per_mm3": {
      "title": "Volumetric Energy Density",
      "description": "Volumetric energy density in J/mm³",
      "type": "number",
      "propertyOrder": 18
    },
    "Porosity_percent_infill": {
      "title": "Porosity Percent (Interior)",
      "description": "Porosity percent in the interior region",
      "type": "number",
      "propertyOrder": 19
    },
    "Percent_Porosity_Contour": {
      "title": "Porosity Percent (Contour)",
      "description": "Porosity within 1mm of surface (-1 if not calculated)",
      "type": "number",
      "propertyOrder": 20
    },
    "Total_Porosity_Percent": {
      "title": "Total Porosity %",
      "description": "Porosity over entire volume (-1 if not calculated)",
      "type": "number",
      "propertyOrder": 21
    }
  },
  "required": [
    "Build_ID",
    "Parameter_Label",
    "DOE_Code",
    "DOE_ID",
    "Build_Date",
    "Location",
    "Material",
    "Geometry",
    "Specimen_Position",
    "Orientation",
    "Modulus_GPa",
    "Yield_Strength_MPa",
    "Peak_Stress_MPa",
    "Elongation_Percent",
    "Hatch_mm",
    "Speed_mm_per_s",
    "Power_W",
    "Layer_mm",
    "VED_J_per_mm3",
    "Porosity_percent_infill",
    "Percent_Porosity_Contour",
    "Total_Porosity_Percent"
  ]
}