About this Abstract |
Meeting |
2021 TMS Annual Meeting & Exhibition
|
Symposium
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Advanced Characterization Techniques for Quantifying and Modeling Deformation
|
Presentation Title |
FFT-based Modeling of Strain Localization in Nano-metallic Laminates |
Author(s) |
Miroslav Zecevic, Ricardo A Lebensohn, Thomas J Nizolek, Rodney J McCabe, Laurent Capolungo |
On-Site Speaker (Planned) |
Miroslav Zecevic |
Abstract Scope |
Recent experiments have shown that nano-metallic laminates (NMLs) fail through shear banding for compression perpendicular to layers and by kink banding for layer parallel compression. In this work, we develop a large strain FFT-based crystal plasticity model to provide insight into the effects of interface geometry and loading conditions on these failure mechanisms. Single crystal Cu and Nb laminates with experimentally observed crystallographic orientation relationships are simulated with interfaces represented by sinusoidal waves of different amplitude and phase angle. We show relationships between the propensity for shear and kink band formation with the crystallographic orientations, sine wave characteristics, and loading conditions. |
Proceedings Inclusion? |
Planned: |
Keywords |
Computational Materials Science & Engineering, Modeling and Simulation, Characterization |