Materials Testing & Qualification Data

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A Dynamic Plasticity Model for Rapidly-Heated 1045 Steel up to 1000 °C
Post, August 7, 2026 • (National Institute of Standards and Technology) This dataset contains raw mechanical data (strain, stress and strain rate curves and initial temperatures) for compression experiments performed on annealed 1045 steel using the NIST Kolsky Bar apparatus and a servohydraulic test machine that were used to generate fit coefficients for the plasticity...

A Fully Registered In-Situ and Ex-Situ Dataset for Metal Powder Bed Fusion Additive Manufacturing: Data Processing, Feature Extraction, Registration, and Uncertainties
Post, August 7, 2026 • (National Institute of Standards and Technology) This document details the data registration process for the previously published datasets from Additive Manufacturing Metrology Testbed (AMMT) parts, "Overhang Part X4," generated at the National Institute of Standards and Technology (NIST). The two datasets —one for process monitoring and the other for XCT...

Additive Manufacturing Benchmark Test Series (AM-Bench) 2018 Test Descriptions
Post, August 7, 2026 • (National Institute of Standards and Technology) The Additive Manufacturing Benchmark Test Series (AM-Bench) is developing a continuing series of controlled benchmark tests, in conjunction with a conference series, with two initial goals: 1) to allow modelers to test their simulations against rigorous, highly controlled additive manufacturing benchmark test data, and...

AM Bench 2018 measurement results data: optical microscopy of laser-scanned single tracks on nickel Alloy 625 plates (AMB2018-02)
Post, August 7, 2026 • (National Institute of Standards and Technology) The following optical micrograph data files are provided in support of the AM Bench 2018 modeling challenges associated with bare plate single track laser scans performed on the NIST Additive Manufacturing Metrology Testbed. These measurements were used in the AMB2018-02 set of challenges associated...

AM Bench 2018 Residual Elastic Strain Measurements of 3D Additive Manufacturing Builds of IN625 Artifacts Using Neutron Diffraction and Synchrotron X-ray Diffraction
Post, August 7, 2026 • (National Institute of Standards and Technology) The development of large residual elastic strains and stresses during laser powder-bed fusion (LPBF) additive manufacturing is one of the most significant barriers to widespread adoption. Accurate modeling of these strains and stresses is broadly recognized as an effective tool for mitigating these challenges,...

AMB2025-02 Macroscale Quasi-Static Tensile Tests of PBF-L IN718
Post, August 7, 2026 • (National Institute of Standards and Technology) This challenge is a follow-on from AMB2022-01 laser powder bed fusion (PBF-LB) alloy Inconel 718 in the as-built condition (no heat treatment). Eight continuum-but-miniature tensile specimens were excised from the same size legs (2.5 mm width) of one original AMB2022-01 specimen (AMB2022-718-AMMT-B7-P4). Excised tensile...

Annotated NDE Dataset for Structural Defects
Post, August 7, 2026 • (University of North Dakota) SDNET2021 is a uniquely validated annotated dataset for evaluating the condition of concrete bridge decks and benchmarking advanced deep learning models for defects (delamination, cracks, rebar corrosion) detection and bridge deck evaluation. SDNET2021 contains 1,936 annotated IE signals, over 663,102 annotated GPR signals and five (5)...

CORR-DATA
Post, August 7, 2026 • (National Institute of Standards and Technology) The data describe observations of various samples in potentially corrosive environments under particular conditions (concentrations and temperatures) to see if, how, and at what rate they corrode. The data include over 24,000 records which have been extracted from over 250 different source documents.The data...

Dynamic compressive stress-strain curves of aluminum alloy 6061-T6 with rapid heating
Post, August 7, 2026 • (National Institute of Standards and Technology) This dataset contains raw mechanical data (strain, stress and strain rate curvesand initial temperatures) for compression experiments performed on aluminum alloy 6061-T6using the NIST pulse-heated Kolsky Bar at strain rates between 2400 1/s and 2700 1/s and initial temperatures from 23 °C to 527...

Machine learning-enhanced near-infrared property prediction for improved polyolefin differentiation
Post, August 7, 2026 • (National Institute of Standards and Technology) This paper employs machine learning to predict key physical properties of polyolefins from NIR spectra, including density, crystallinity, and short chain branching. By integrating rapid NIR measurement with property prediction, we propose a property-based sorting methodology for polyolefins, addressing the current challenges recyclers face...

NIST alloy data
Post, August 7, 2026 • (National Institute of Standards and Technology) The NIST Alloy data web application (https://trc.nist.gov/metals_data) provides access to thermophysical property data with a focus on unary, binary, and ternary metal systems. Link to Dataset NIST alloy dataDate last updated: July 29, 2022

NIST Inorganic Crystal Structure Database (ICSD)
Post, August 7, 2026 • (National Institute of Standards and Technology) Materials discovery and development necessarily begins with the preparation and identification of product phase(s). Crystalline compounds can be identified by their characteristic diffraction patterns using X-rays, neutrons, and or electrons. An estimated 20,000 X-ray diffractometers and a comparable number of electron microscopes are used...

OpenFOAM simulations of filament fusion in embedded 3D printing
Post, August 7, 2026 • (National Institute of Standards and Technology) In embedded 3D printing, a nozzle is embedded into a support bath and extrudes filaments or droplets into the bath. However, moving the nozzle near an existing structure and writing new filaments can cause deformation and lack-of-fusion defects. Using OpenFOAM, we simulated what happens...

Simultaneous rheology and cure kinetics dictate thermal post-curing of thermoset composite resins for material extrusion
Post, August 7, 2026 • (National Institute of Standards and Technology) Thermoset composite structures printed at room temperature using direct ink writing often collapse during thermal post-curing. This behavior suggests that the rheological properties that govern structural stability (i.e., storage modulus and/or yield stress) are sensitive to both temperature and conversion. The rheo-Raman instrument provides...