| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Nano and Micro Additive Manufacturing
|
| Presentation Title |
Multi-Scale Mechanical Microscopy Using High-speed Nanoindentation |
| Author(s) |
Jeffrey M. Wheeler |
| On-Site Speaker (Planned) |
Jeffrey M. Wheeler |
| Abstract Scope |
Mechanical microscopy is an emerging technique using high-speed nanoindentation to map the mechanical behavior and extract phase-level properties from complex microstructures. Using displacement-controlled nanoindentation, microstructural features can be probed at multiple length scales by using indentation mapping with different lateral resolution, while holding the penetration depth/spacing ratio constant to prevent interactions. In this work, the mechanical response of case-hardened steel are explored using multi-scale nanoindentation mapping over 3 orders of magnitude. This provides valuable insights into mechanical behavior at both ‘bulk’ and microstructural length scales.
When this technique is combined with analytical electron microscopy techniques, i.e. electron back-scattered diffraction (EBSD), it enables correlative mechanical microscopy to directly determine structure-composition-properties relationships. In this work, this is performed on three orthogonal directions of a rolled duplex brass alloy to determine the influence of rolling texture on mechanical properties anisotropy. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Characterization, Mechanical Properties, Additive Manufacturing |