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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 Towards a Digital Twin of Single Crystal Turbine Blades for Lifetime Assessment Using X-Ray Tomography and Transmission Laue Diffraction
Author(s) Enzo Monteau, Amelia Ferhat, Alexiane Arnaud, Clement Remacha, David Ryckelynck, Henry Proudhon
On-Site Speaker (Planned) Enzo Monteau
Abstract Scope Nickel-based single crystal superalloys are used to manufacture high-pressure turbine blades, a critical component in aircraft engines. Blades are manufactured by investment casting using a Bridgman furnace to ensure the final design and the unique crystalline orientation. An innovative simulation chain is being developed to predict the service life of such component based on their real geometry and the real crystalline orientation. The approach combines X-ray tomography to detect deviations from nominal design and exogenous defects (such as porosity, inclusions, or cracks), with Laue transmission diffraction to map crystalline orientations. These non-destructive testing data are integrated into a digital twin, represented by an enriched finite element mesh embedding both detected defects and local crystal (mis)orientation. This enables the direct use of inspection data in mechanical simulations, paving the way for an automated workflow from inspection to personalized life prediction, contrasting with current practices relying solely on idealized CAD models.
Proceedings Inclusion? Planned:
Keywords Characterization, Modeling and Simulation, High-Temperature Materials

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