About this Abstract |
Meeting |
2021 TMS Annual Meeting & Exhibition
|
Symposium
|
Heterostructured and Gradient Materials (HGM IV): Tailoring Heterogeneity for Superior Properties
|
Presentation Title |
Gradients, Singularities and Interatomic Potentials |
Author(s) |
K. Parisis, Elias C. Aifantis |
On-Site Speaker (Planned) |
Elias C. Aifantis |
Abstract Scope |
First a review is given on gradient theory which has been shown to eliminate singularities from dislocation lines and crack tips, provide thickness and spacing of shear bands and modeling hardening vs. softening behavior. Then its applicability to derive enhanced interatomic potentials is illustrated.References [1] E.C. Aifantis, A Concise Review of Gradient Models in Mechanics and Physics, Front. Phys. 7, 239 (2020).[2] E.C. Aifantis, Gradient Extension of Classical Material Models From Nuclear & Condensed Matter Scales to Earth & Cosmological Scales, arXiv:1909.08616 (2020). [3] E.C. Aifantis, Internal length gradient (ILG) material mechanics across scales and disciplines, Adv. Appl. Mech. 49, 1–110 (2016). |
Proceedings Inclusion? |
Planned: |
Keywords |
Modeling and Simulation, Mechanical Properties, |