Evaluation of the Mechanical Properties of TRISO Particles Using Nanoindentation and Ring Compression Testing

Evaluation of the Mechanical Properties of TRISO Particles Using Nanoindentation and Ring... Tristructural-isotropic (TRISO) fuel particles are being investigated as a potential fuel for both current and advanced reactors. Due to the size of the particles (<1 mm in diameter with a silicon carbide layer thickness of 30–50 μm), traditional mechanical testing is a challenge, and investigations are limited to micro-scale mechanical testing techniques. In the work presented here, ring crush tests of TRISO particles were performed, and the results are compared with nanoindentation measurements of particles from the same manufactured batch. The elastic modulus results from the nanoindentation and the ring crush tests are found to be in good agreement. In addition, an innovative technique for studying helium implantation effects on the material was investigated utilizing an ORION NanoFab Helium Ion Microscope. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experimental Mechanics Springer Journals

Evaluation of the Mechanical Properties of TRISO Particles Using Nanoindentation and Ring Compression Testing

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Publisher
Springer US
Copyright
Copyright © 2017 by Society for Experimental Mechanics
Subject
Engineering; Continuum Mechanics and Mechanics of Materials; Characterization and Evaluation of Materials; Optics, Lasers, Photonics, Optical Devices; Structural Mechanics; Vibration, Dynamical Systems, Control; Classical Mechanics
ISSN
0014-4851
eISSN
1741-2765
D.O.I.
10.1007/s11340-017-0277-z
Publisher site
See Article on Publisher Site

Abstract

Tristructural-isotropic (TRISO) fuel particles are being investigated as a potential fuel for both current and advanced reactors. Due to the size of the particles (<1 mm in diameter with a silicon carbide layer thickness of 30–50 μm), traditional mechanical testing is a challenge, and investigations are limited to micro-scale mechanical testing techniques. In the work presented here, ring crush tests of TRISO particles were performed, and the results are compared with nanoindentation measurements of particles from the same manufactured batch. The elastic modulus results from the nanoindentation and the ring crush tests are found to be in good agreement. In addition, an innovative technique for studying helium implantation effects on the material was investigated utilizing an ORION NanoFab Helium Ion Microscope.

Journal

Experimental MechanicsSpringer Journals

Published: Apr 20, 2017

References

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