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Title: Real-time thermomechanical property monitoring during ion beam irradiation using in situ transient grating spectroscopy

Abstract

A facility for continuously monitoring the thermal and elastic performance of materials under exposure to ion beam irradiation has been designed and commissioned. By coupling an all-optical, non-contact, non-destructive measurement technique known as transient grating spectroscopy (TGS) to a 6 MV tandem ion accelerator, bulk material properties may be measured at high fidelity as a function of irradiation exposure and temperature. Ion beam energies and optical parameters may be tuned to ensure that only the properties of the ion-implanted surface layer are interrogated. This facility provides complementary capabilities to the set of facilities worldwide which have the ability to study the evolution of microstructure in situ during radiation exposure, but lack the ability to measure bulk-like properties. Here, the measurement physics of TGS, design of the experimental facility, and initial results using both light and heavy ion exposures are described. Lastly, several short- and long-term upgrades are discussed which will further increase the capabilities of this diagnostic.

Authors:
 [1];  [2];  [2];  [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1492374
Report Number(s):
SAND-2018-12137J
Journal ID: ISSN 0168-583X; 669047
Grant/Contract Number:  
AC04-94AL85000
Resource Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Additional Journal Information:
Journal Volume: 440; Journal Issue: C; Journal ID: ISSN 0168-583X
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Ion beam; Transient grating; Irradiation; Photoacoustics; Surface acoustic wave; Radiation damage

Citation Formats

Dennett, Cody A., Buller, Daniel L., Hattar, Khalid Mikhiel, and Short, Michael P. Real-time thermomechanical property monitoring during ion beam irradiation using in situ transient grating spectroscopy. United States: N. p., 2018. Web. doi:10.1016/j.nimb.2018.10.025.
Dennett, Cody A., Buller, Daniel L., Hattar, Khalid Mikhiel, & Short, Michael P. Real-time thermomechanical property monitoring during ion beam irradiation using in situ transient grating spectroscopy. United States. doi:10.1016/j.nimb.2018.10.025.
Dennett, Cody A., Buller, Daniel L., Hattar, Khalid Mikhiel, and Short, Michael P. Mon . "Real-time thermomechanical property monitoring during ion beam irradiation using in situ transient grating spectroscopy". United States. doi:10.1016/j.nimb.2018.10.025.
@article{osti_1492374,
title = {Real-time thermomechanical property monitoring during ion beam irradiation using in situ transient grating spectroscopy},
author = {Dennett, Cody A. and Buller, Daniel L. and Hattar, Khalid Mikhiel and Short, Michael P.},
abstractNote = {A facility for continuously monitoring the thermal and elastic performance of materials under exposure to ion beam irradiation has been designed and commissioned. By coupling an all-optical, non-contact, non-destructive measurement technique known as transient grating spectroscopy (TGS) to a 6 MV tandem ion accelerator, bulk material properties may be measured at high fidelity as a function of irradiation exposure and temperature. Ion beam energies and optical parameters may be tuned to ensure that only the properties of the ion-implanted surface layer are interrogated. This facility provides complementary capabilities to the set of facilities worldwide which have the ability to study the evolution of microstructure in situ during radiation exposure, but lack the ability to measure bulk-like properties. Here, the measurement physics of TGS, design of the experimental facility, and initial results using both light and heavy ion exposures are described. Lastly, several short- and long-term upgrades are discussed which will further increase the capabilities of this diagnostic.},
doi = {10.1016/j.nimb.2018.10.025},
journal = {Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms},
number = C,
volume = 440,
place = {United States},
year = {2018},
month = {12}
}

Journal Article:
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This content will become publicly available on December 17, 2019
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