| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
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| Symposium
|
Material Behavior Characterization via Multi-Directional Deformation of Sheet Metal
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| Presentation Title |
Simplifying Complex Loading for Training Advanced Constitutive Models: Treating Sheet Metal Like It’s Not 2D
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| Author(s) |
Zachary Brunson, Aaron Stebner |
| On-Site Speaker (Planned) |
Zachary Brunson |
| Abstract Scope |
The advanced constitutive models of today require creative mechanical testing to identify a multitude of material coefficients describing anisotropy, asymmetry, and hardening behaviors, especially for sheet metals. Historically, multiaxial experiments such as cruciform and hydraulic bulge tests have been employed for this purpose despite added cost and time. Although simpler methods have been proposed for characterizing some of the required material coefficients, it is often still necessary for mechanicians to replace experimental data with micromechanical or computational models or to resort to assumptions of higher symmetry. Here, we propose a battery of simple, if geometrically creative, mechanical tests achievable with a standard axial test frame to quantify plastic anisotropy and asymmetry in sheet metals. We then compare the results of this collection of tests against a bulk material calibration of the same material achieved using a battery of standard mechanical tests. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Mechanical Properties, Shaping and Forming, |