| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
Additive Manufacturing: Length-Scale Phenomena in Mechanical Response
|
| Presentation Title |
Investigating the Influence of Grain Boundary Strengthening Assumptions on the Lattice Strain Evolution in Additively Manufactured IN718 |
| Author(s) |
Jason Mayeur |
| On-Site Speaker (Planned) |
Jason Mayeur |
| Abstract Scope |
Additively manufactured components have substantially different microstructures than wrought or cast components. One of the key differences between conventionally and additively manufactured metals and alloys is the grain morphology, with the former often being nearly equiaxed whereas the latter often exhibits high aspect ratio grains with multimodal size distributions. Computational modeling is often used in conjunction with experimental measurement and characterization to establish microstructure-property relationships for materials. In order for mesoscale models to provide meaningful quantitative results, these differences in microstructure must be accounted for when constructing statistically equivalent ensembles from experimental data for use as input to simulation codes. In this study, we examine different approaches for: i) creating statistical volume elements for AM materials from EBSD data and ii) representing grain boundary strengthening for heterogeneous grain morphologies and its influence on the deformation behavior of IN718 produced via laser powder bed fusion using FFT crystal plasticity simulations. |
| Proceedings Inclusion? |
Planned: |