| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Mechanical Behavior at the Nanoscale V
|
| Presentation Title |
N-19: Stress-strain Responses from Small Scale Testing (Nanoindentation, In-situ Micro-compression, Micro-tension) in Pure Magnesium |
| Author(s) |
Skye Supakul, Tolin Skov-Black, Keenan O'Neill, Scout Garrison, Job Rodriguez, Josiah Dowell |
| On-Site Speaker (Planned) |
Skye Supakul |
| Abstract Scope |
This study was a part of the undergraduate senior design project in the Materials Science & Engineering department at the University of Nevada, Reno. The senior design students utilized an array of small-scale testing techniques – such as spherical nano-indentation, micro-pillar compression and micro tensile experiments – to characterize the elastic isotropy, plastic anisotropy, and compression-tension asymmetry in large (millimeter sized) individual grains of pure magnesium. The indentation stress-strain response was analyzed as a function of varying indenter radii (5, 10 and 100 um). These results were compared to more uniaxial loading scenarios such as Focused Ion Beam fabricated micro-pillar compression and micro-tensile tests to identify yield strength and strain hardening behavior. Local crystal lattice orientations were measured by electron backscatter diffraction. The results are discussed in terms of advantages and limitations of each technique to capture elastic isotropy, plastic anisotropy, and compression-tension asymmetry in pure magnesium. |
| Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |