About this Abstract |
Meeting |
2020 TMS Annual Meeting & Exhibition
|
Symposium
|
Characterization: Structural Descriptors, Data-Intensive Techniques, and Uncertainty Quantification
|
Presentation Title |
Large Scale Microstructure Synthesis Using LEGOMAT: Application to Additive Manufacturing |
Author(s) |
Veera Sundararaghavan, Iman Javaheri |
On-Site Speaker (Planned) |
Veera Sundararaghavan |
Abstract Scope |
We present a software LEGOMAT applicable to large scale synthesis of microstructural models (with millions of grains) embedded into
engineering CAD models. We demonstrate the use of LEGOMAT for embedding microstructures for an additively manufactured (laser engineered net shaping) part. The approach embeds microstructures along variety of user specified laser paths accounting for hatch widths, layer thicknesses and scan directions. The input microstructures are obtained from location specific electron back scatter diffraction (EBSD) maps which are converted to 3D microstructures using Markov random fields. Crystal plasticity simulations of large scale microstructures are carried out using our open source PRISMS Plasticity code. The results are useful for data science studies to understand process-structure-property relationships and to quantify the errors and uncertainties in homogenization methods used in materials design. |
Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |