About this Abstract |
Meeting |
2025 TMS Annual Meeting & Exhibition
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Symposium
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AI/Data Informatics: Computational Model Development, Verification, Validation, and Uncertainty Quantification
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Presentation Title |
Accelerating Creep-Resistant Aluminum Alloy Design Through Generative AI-Driven Computational Models and Robust Validation |
Author(s) |
Yizhi Wang, Yuksel Asli Sari, Mihriban Ozden Pekguleryuz |
On-Site Speaker (Planned) |
Yizhi Wang |
Abstract Scope |
Creep-resistant aluminum alloys are urgently needed for high-temperature structural applications for environmental benefits through lightweighting, however, conventional alloy design is unfortunately very slow. In this research, a two-stage machine-learning (ML) based approach is developed as a solution to accelerate development by discovering trends in alloy properties and creep. The first stage trains various supervised learning (SL) models on a dataset of creep-resistant alloys using composition, alloy condition (as-processed, heat treated), service conditions, and thermodynamic simulation from a hybrid ML/CALPHAD framework. The model with the highest performance in predicting creep life is identified. In the second stage, a generative genetic algorithm (GA) integrated with the SL model identifies candidate alloys for target applications. Finally, the candidates are screened through a multi-stage model-agnostic risk analysis strategy. The proposed alloys are then synthesized and tested for validation. This study emphasizes the importance of robust validation in computational materials models to ensure AI reliability. |
Proceedings Inclusion? |
Planned: |
Keywords |
High-Temperature Materials, Computational Materials Science & Engineering, Machine Learning |