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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing: ICME Gap Analysis
Presentation Title CALPHAD-based ICME Design for Additive Manufacturing: Successes and Challenges
Author(s) Wei Xiong
On-Site Speaker (Planned)
Abstract Scope Phase transformations in laser melting can readily influence the mechanical properties of the 3D printed components. An effective ICME simulation with a reliable prediction of phase transformations becomes essential, and can significantly help additive manufacturing (AM) design with lower costs and reduced development cycles. In this talk, we discuss several cases by applying the CALPHAD approach for powder-bed laser melting simulation and steel powder composition design. A CALPHAD-based ICME framework is established using CALPHAD-informed thermal modeling, CALPHAD and finite element coupled phase transformation, mean-field type simulation for post-processing design. The case studies on steels and Inconel superalloys demonstrate the effectiveness of such a design framework. More importantly, knowledge gaps are identified using case studies. Supporting metallurgical experiments for model calibration and improvement are essential for the successful ICME design. The ICME framework for AM require the collaborative efforts made by mechanical engineering and materials science.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

CALPHAD-based ICME Design for Additive Manufacturing: Successes and Challenges
Challenges in Integration and Validation of a Coupled FEM and Phase Field Approach for Modeling Additive Manufacturing
Challenges in Modeling Microstructure Evolution During Additive Manufacturing Based on Phase-field Method
Challenges to Predict the Microstructure and Properties of metallic AM components
Efficient Mechanistic Modeling of Additive Manufacturing (AM) Processes
ICME and Additive Manufacturing Research in NSF’s Advanced Manufacturing Program
Making Metal Additive Manufacturing Practical – What’s Missing?
Overview of DOE-BES Research and Strategic Planning
The Future of Additive Manufacturing, a Vision for NASA’s Jet Propulsion Laboratory
Utilization of Non-metallic Inclusion and Optimization of Alloy Compositions for AM Process

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