Heat-affected zone

{
  "id": "MLC-T-ADM-000165",
  "term": "Heat-affected zone",
  "field": "Additive manufacturing and 3D printing",
  "definition": "The region of an additively manufactured part that has undergone microstructural changes due to the heat input during the printing process, but without melting. This zone is adjacent to the melt pool in processes like laser powder bed fusion or directed energy deposition. The properties within the heat affected zone can differ from both the melted and unaffected base material.",
  "url": "https://mlchart.com/terminology/additive-manufacturing/heat-affected-zone/"
}