Summary & Purpose

Picoindentation Files: Each folder in this section of data is for a single picoindentation sample with its related files. Generally, for each sample indentation, a video of the indentation, a .txt file with the collected load-displacement data, an Excel file calculating stress-strain from the .txt file, and a copy of the original .hys file is included. Where samples have multiples of the .hys files, multiple indentations were made on the same sample. These are labeled sequentially.

These files are all of the as received (AR) ODS micro-pillars. Videos, text files, and .hys files are collected using the Hysitron Picoindentation software.

Collecting both video and load-displacement data allows for a quantitative and qualitative analysis.

FIB Images: These files are all focused ion beam (FIB) images of the as received (AR) ODS micro-pillars and windows milling process. Images are collected using FEI Quanta 3D FEG focused ion beam (FIB) at a variety of magnifications and steps in the milling process. Images are taken to show the milling steps needed to produce transmission electron microscopy (TEM) picoindentation samples.

TEM Images: These files are all transmission electron microscopy (TEM) images of the as received (AR) ODS micro-pillars and windows. Images are collected using FEI Tecnai TF30-FEG STEM at a variety of magnifications. Images are taken to characterize the microstrcuture of each pillar and window before indentation.

Date of Publication or Submission

7-28-2017

DOI

https://doi.org/10.18122/B2VM5G

Funding Citation

This research was sponsored in part by the US Nuclear Regulatory Commission Grant NRC-HQ-84-14-G-0056, the Micron Foundation, and by the US DOE, Office of Nuclear Energy under DOE Idaho Operations Office Contract DE-AC07-05ID14517, as part of the Nuclear Science User Facilities experiment 15-540.

Single Dataset or Series?

Series

Data Format

Hysitron file format is .hys and can only be opened using the Hysitron Picoindenter software. Video files are in .avi format. Excel files are in .xlsx format. Data files are in .txt format.

Data Attributes

Picoindentation Files: AR ODS provided by the Japan Nuclear Cycle Development Institute (Japan Atomic Energy Agency). TEM picoindentation samples were prepared using an FEI Quanta 3D FEG focused ion beam (FIB) at the Center for Advanced Energy Studies (CAES). Samples were cut and lifted perpendicular to the surface of the bulk sample. This orientation allowed for each sample to be made from the damaged layer. Prior to milling, all specimen surfaces were protected with a 1 μ platinum deposit. Each sample was milled from the same liftout. The liftout had dimensions of ~40 μ wide, 3 μ thick, and ~13 μ tall. Picoindentation samples were milled into this liftout at a variety of dimensions. Picoindentation was run in displacement controlled mode. Initial samples were taken to a variety of displacements. As the users began to be more familiar with the process, displacement depths were held at half the pillar height. Video viles were compressed using MJPEG compression. They were taken at 30 fps and with an exposure of 0.15 s on the TEM. FIB and TEM Images: AR ODS provided by the Japan Nuclear Cycle Development Institute (Japan Atomic Energy Agency). TEM picoindentation samples were prepared using an FEI Quanta 3D FEG focused ion beam (FIB) at the Center for Advanced Energy Studies (CAES). Samples were cut and lifted perpendicular to the surface of the bulk sample. This orientation allowed for each sample to be made from the damaged layer. Prior to milling, all specimen surfaces were protected with a 1 μ platinum deposit. Each sample was milled from the same liftout. The liftout had dimensions of ~40 μ wide, 3 μ thick, and ~13 μ tall. Picoindentation samples were milled into this liftout at a variety of dimensions. Pillar samples were milled to ~200 nm thick, window samples to <100 nm thick. TEM Images: AR ODS provided by the Japan Nuclear Cycle Development Institute>(Japan Atomic Energy Agency). TEM picoindentation samples were prepared using an FEI Quanta 3D FEG focused ion beam (FIB) at the Center for Advanced Energy Studies (CAES). Samples were cut and lifted perpendicular to the surface of the bulk sample. This orientation allowed for each sample to be made from the damaged layer. Prior to milling, all specimen surfaces were protected with a 1 μ platinum deposit. Each sample was milled from the same liftout. The liftout had dimensions of ~40 μ wide, 3 μ thick, and ~13 μ tall. Picoindentation samples were milled into this liftout at a variety of dimensions. Pillar samples were milled to ~200 nm thick, window samples to <100 nm>thick.

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