Ideal sinks are not always ideal. Radiation damage accumulation in nanocomposites
Abstract
Designing radiation tolerant materials is one of the primary challenges associated with advanced nuclear energy systems. One attractive route that has received much attention world-wide is to introduce a high density of sinks, often in the form of interfaces or secondary phases. Here, we develop a simple model of such nanocomposites and examine the ramifications of various factors on the overall radiation stability of the material. In particular, we determine how the distribution of secondary phases, the relative sink strength of those phases, and the irradiation temperature influence the radiation tolerance of the matrix. We find that the best scenario is one in which the sinks have intermediate strength, transiently trapping defects before releasing them back into the matrix.This provides new insight into the optimal properties of nanocomposites for radiation damage environments.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Energy Frontier Research Centers (EFRC) (United States). Center for Materials at Irradiation and Mechanical Extremes (CMIME); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1215537
- Alternate Identifier(s):
- OSTI ID: 1246613
- Report Number(s):
- LA-UR-14-28837
Journal ID: ISSN 0022-3115; PII: S0022311514008769; TRN: US1500720
- Grant/Contract Number:
- AC52-06NA25396; 2008LANL1026
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Journal of Nuclear Materials
- Additional Journal Information:
- Journal Volume: 462; Journal Issue: C; Journal ID: ISSN 0022-3115
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Uberuaga, Blas Pedro, Choudhury, Samrat, and Caro, Alfredo. Ideal sinks are not always ideal. Radiation damage accumulation in nanocomposites. United States: N. p., 2014.
Web. doi:10.1016/j.jnucmat.2014.11.073.
Uberuaga, Blas Pedro, Choudhury, Samrat, & Caro, Alfredo. Ideal sinks are not always ideal. Radiation damage accumulation in nanocomposites. United States. https://doi.org/10.1016/j.jnucmat.2014.11.073
Uberuaga, Blas Pedro, Choudhury, Samrat, and Caro, Alfredo. 2014.
"Ideal sinks are not always ideal. Radiation damage accumulation in nanocomposites". United States. https://doi.org/10.1016/j.jnucmat.2014.11.073. https://www.osti.gov/servlets/purl/1215537.
@article{osti_1215537,
title = {Ideal sinks are not always ideal. Radiation damage accumulation in nanocomposites},
author = {Uberuaga, Blas Pedro and Choudhury, Samrat and Caro, Alfredo},
abstractNote = {Designing radiation tolerant materials is one of the primary challenges associated with advanced nuclear energy systems. One attractive route that has received much attention world-wide is to introduce a high density of sinks, often in the form of interfaces or secondary phases. Here, we develop a simple model of such nanocomposites and examine the ramifications of various factors on the overall radiation stability of the material. In particular, we determine how the distribution of secondary phases, the relative sink strength of those phases, and the irradiation temperature influence the radiation tolerance of the matrix. We find that the best scenario is one in which the sinks have intermediate strength, transiently trapping defects before releasing them back into the matrix.This provides new insight into the optimal properties of nanocomposites for radiation damage environments.},
doi = {10.1016/j.jnucmat.2014.11.073},
url = {https://www.osti.gov/biblio/1215537},
journal = {Journal of Nuclear Materials},
issn = {0022-3115},
number = C,
volume = 462,
place = {United States},
year = {Thu Nov 27 00:00:00 EST 2014},
month = {Thu Nov 27 00:00:00 EST 2014}
}
Web of Science
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Works referencing / citing this record:
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