Abstract
Complex material systems in which microstructure and microchemistry are nonuniformly dispersed require three-dimensional (3D) rendering(s) to provide an accurate determination of the physio-chemical nature of the system. Current scanning transmission electron microscope (STEM)-based tomography techniques enable 3D visualization but can be time-consuming, so only select systems or regions are analyzed in this manner. Here, it is presented that through high-efficiency multidimensional STEM acquisition and reconstruction, complex point cloud-like microstructural features can quickly and effectively be reconstructed in 3D. The proposed set of techniques is demonstrated, analyzed, and verified for a high-chromium steel with heterogeneously situated features induced using high-energy neutron bombardment.
| Original language | English |
|---|---|
| Pages (from-to) | 240-246 |
| Number of pages | 7 |
| Journal | Microscopy and Microanalysis |
| Volume | 26 |
| Issue number | 2 |
| DOIs | |
| State | Published - Apr 1 2020 |
Funding
The work presented in this paper was supported by the Advanced Fuels Campaign of the Fuel Cycle R&D program in the Office of Nuclear Energy, U.S. Department of Energy. This research was performed using the instrumentation (FEI Talos F200X S/TEM) provided by the Department of Energy, Office of Nuclear Energy, Fuel Cycle R&D Program, and the Nuclear Science User Facilities.
Keywords
- materials science
- microscopy
- nuclear engineering
- salloy development
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