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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium ICME Gap Analysis: Structural Materials for Automotive Applications
Presentation Title Progress and Gaps in Thermodynamic Modeling for the Development of Advanced Cast Aluminum Alloys using Integrated Computational Materials Engineering
Author(s) Mike J Walker, Andrew Bobel, WeiWei Zhang, Nick Hatcher, Abhinav Saboo, Dana Frankel, Kyoungdoc Kim, Christopher Wolverton
On-Site Speaker (Planned) Mike J Walker
Abstract Scope For the development of improved alloys using ICME, the thermodynamic databases must accurately reflect the potential contribution of both the major and minor elements on the phase stability and solid solution strengthening in the alloy. The common precipitate phases in aluminum alloys such as the theta phase, the beta phase, and the Q phase have been well documented in the literature. However, thermodynamic databases do not accurately reflect solubility limits and phase boundaries or the contribution of minor elements. High-throughput DFT calculations have identified new phases, however the lack of a full thermodynamic description of novel phases makes it difficult to predict their stability. This talk will highlight advances in thermodynamic databases with an emphasis on a re-calibration of the Q-phase and a review of remaining discrepancies and gaps in aluminum alloy descriptions. Finally, the challenges in predicting the effects of minor elements on phase stability will be reviewed.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

An Assessment of Modeling Tools for High Temperature Aluminum Alloy Development: The Good, the Bad and the Ugly
Bridging the Gap between ICME Design and Implementation of Third Generation Advanced High Strength Steels for Automotive Applications
Case Studies and Gap Analyses in ICME for Structural Materials in Automotive Applications
ICME for Automotive Composites – Development of Predictive Integrated Stochastic Manufacturing and Structural Performance Models
ICME Model Development and Gap Analysis for Advanced Cast Aluminum and Magnesium Alloys for Automotive Applications
Integrated Computational Materials Engineering for Automotive Light Metals
Limitation of the ICME Approach for Mg Alloy Production via Twin Roll Casting Process
Progress and Gaps in Thermodynamic Modeling for the Development of Advanced Cast Aluminum Alloys using Integrated Computational Materials Engineering
The Phase Field Method and Materials Design

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