{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["006:55"], "contactPoint": {"fn": "Lyle E. Levine", "hasEmail": "mailto:lyle.levine@nist.gov"}, "description": "This data publication includes the AM Bench answer key for two AMB2025-01 Challenge Problems that were posed to the AM modeling community:\n\nMicrostructure Upon Stress Relief (CHAL-AMB2025-01-SR): Predict the average solidification cell size, average maximum and minimum segregated mass fractions of Nb and Mo at the cell walls and cell interiors, respectively, and the volume fractions of precipitates, excluding oxides, in the as-built microstructures. Predict the volume fractions of precipitates, excluding oxides, in the microstructures after stress relief heat treatment at 870 \u00b0C for 1 h.\n\nMicrostructure Upon Homogenization (CHAL-AMB2025-01-H): Predict the average solidification cell size, average maximum and minimum segregated mass fractions of Nb and Mo at the cell walls and cell interiors, respectively, and the volume fractions of precipitates, excluding oxides, in the as-built microstructures. Predict the volume fractions of precipitates, excluding oxides, in the microstructures after homogenization heat treatment at 1150 \u00b0C for 1 h.", "distribution": [{"description": "Document giving detailed descriptions of the AM Bench 2025 AMB2025-01 benchmark measurements and challenge problems", "downloadURL": "https://data.nist.gov/od/ds/mds2-4026/AMB2025-01_Measurements_and_Challenge_Problems.pdf", "format": "PDF file", "mediaType": "application/pdf", "title": "AMB2025-01 Measurements and Challenge Problems"}, {"description": "Measured solutions for the AM Bench AMB2025-01 Challenge Problems, using the same format as the submission template", "downloadURL": "https://data.nist.gov/od/ds/mds2-4026/AMB2025-01_AnswerKey.xlsx", "format": "Excel spreadsheet", "mediaType": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "title": "Answer Key for AM Bench AMB2025-01 Challenge Problems"}, {"description": "README file including descriptions of all files in the data publication", "downloadURL": "https://data.nist.gov/od/ds/mds2-4026/4026_README.txt", "format": "plain text", "mediaType": "text/plain", "title": "README file"}], "identifier": "ark:/88434/mds2-4026", "issued": "2026-02-10", "keyword": ["AM Bench", "AM Bench 2025", "AMB2025-01", "additive manufacturing", "alloy 625", "composition", "laser powder bed fusion"], "language": ["en"], "license": "https://www.nist.gov/open/license", "modified": "2025-11-24 00:00:00", "programCode": ["006:045"], "publisher": {"@type": "org:Organization", "name": "National Institute of Standards and Technology"}, "references": ["https://www.nist.gov/ambench"], "theme": ["Manufacturing:Additive manufacturing", "Materials:Metals"], "title": "Answer Key for AM Bench AMB2025-01 Challenge Problems:  Laser powder bed fusion 3D builds of nickel-based superalloy 625 with variations in feedstock chemistries"}