| About this Abstract |
| Meeting |
MS&T21: Materials Science & Technology
|
| Symposium
|
Integration between Modeling and Experiments for Crystalline Metals: From Atomistic to Macroscopic Scales III
|
| Presentation Title |
Modeling Slip Transmission across Interface Using Dislocation Dynamics Simulations |
| Author(s) |
Aritra Chakraborty, Abigail Hunter, Laurent Capolungo |
| On-Site Speaker (Planned) |
Aritra Chakraborty |
| Abstract Scope |
A comprehensive realization of material deformation behavior is incomplete without understanding the effect of dislocation interactions at the interface. These interfaces are either grain boundaries (polycrystalline metals) or phase boundaries (two phase alloys). A critical aspect of such dislocation-interface interaction is the phenomenon of slip transmission across the interface, that can significantly affect the overall deformation response of the material. Even though such interactions have been well-studied using atomistic simulations, there has been limited effort in modeling them using dislocation dynamics (DD). DD simulations are ideal in investigating such interactions at the nanoscale, and hence, serves as a critical junction in bridging information between atomistic and macroscopic length scales. This work aims to develop a robust model for slip transmission in the DD framework. Subsequently, we observe the effect of allowing slip transmission on the overall plastic behavior in polycrystalline metals, as well as, two-phase metallic nanolaminates. |