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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Verification, Calibration, and Validation Approaches in Modeling the Mechanical Performance of Metallic Materials
Presentation Title 3D Diffraction Microscopy Imaging Experiments to Calibrate and Validate Crystal Plasticity
Author(s) Henry Proudhon
On-Site Speaker (Planned) Henry Proudhon
Abstract Scope The mechanical performance of metallic structural materials, including tensile strength and fatigue resistance, is largely governed by their 3D microstructure. Recent advances in synchrotron and laboratory X-ray techniques now allow non-destructive, in situ, and correlative characterization of microstructures with thousands of grains. This capability opens new pathways for investigating deformation mechanisms, fracture processes, and grain-scale constitutive behavior. This presentation highlights studies that combine synchrotron and laboratory 3D Diffraction Microstructure Imaging experiments on the same sample, across various deformation stages, providing quantitative measures of surface and bulk intragranular deformation mechanisms. Access to the full 3D microstructure enables digital twin generation for simulations using crystal plasticity, facilitating validation and identification of grain-scale models. Examples will show slip system activation and local strain comparisons between experiments and simulations. Such integrated experiments and modeling workflows represent a promising route for enhancing model verification, calibration, and validation in crystal plasticity frameworks.
Proceedings Inclusion? Planned:
Keywords Characterization, Modeling and Simulation, Mechanical Properties

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