Resistance to Helium Bubble Formation in Amorphous SiOC/Crystalline Fe Nanocomposite
Abstract
The management of radiation defects and insoluble He atoms represent key challenges for structural materials in existing fission reactors and advanced reactor systems. To examine how crystalline/amorphous interface, together with the amorphous constituents affects radiation tolerance and He management, we studied helium bubble formation in helium ion implanted amorphous silicon oxycarbide (SiOC) and crystalline Fe composites by transmission electron microscopy (TEM). The SiOC/Fe composites were grown via magnetron sputtering with controlled length scale on a surface oxidized Si (100) substrate. These composites were subjected to 50 keV He+ implantation with ion doses chosen to produce a 5 at% peak He concentration. TEM characterization shows no sign of helium bubbles in SiOC layers nor an indication of secondary phase formation after irradiation. Compared to pure Fe films, helium bubble density in Fe layers of SiOC/Fe composite is less and it decreases as the amorphous/crystalline SiOC/Fe interface density increases. Our findings suggest that the crystalline/amorphous interface can help to mitigate helium defect generated during implantation, and therefore enhance the resistance to helium bubble formation.
- Authors:
-
[1];
- Univ. of Nebraska, Lincoln, NE (United States)
- Texas A & M Univ., College Station, TX (United States)
- Publication Date:
- Research Org.:
- Univ. of Nebraska, Lincoln, NE (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Nuclear Energy (NE); National Science Foundation (NSF); Nebraska Research Initiative
- OSTI Identifier:
- 1613830
- Grant/Contract Number:
- NE0000533; AC07-05ID14517; ECCS: 1542182
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Materials
- Additional Journal Information:
- Journal Volume: 12; Journal Issue: 1; Journal ID: ISSN 1996-1944
- Publisher:
- MDPI
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; materials science; radiation tolerant materials; amorphous silicon oxycarbide; nanocrystalline Fe; composite; interface
Citation Formats
Su, Qing, Wang, Tianyao, Gigax, Jonathan, Shao, Lin, and Nastasi, Michael. Resistance to Helium Bubble Formation in Amorphous SiOC/Crystalline Fe Nanocomposite. United States: N. p., 2018.
Web. doi:10.3390/ma12010093.
Su, Qing, Wang, Tianyao, Gigax, Jonathan, Shao, Lin, & Nastasi, Michael. Resistance to Helium Bubble Formation in Amorphous SiOC/Crystalline Fe Nanocomposite. United States. https://doi.org/10.3390/ma12010093
Su, Qing, Wang, Tianyao, Gigax, Jonathan, Shao, Lin, and Nastasi, Michael. Fri .
"Resistance to Helium Bubble Formation in Amorphous SiOC/Crystalline Fe Nanocomposite". United States. https://doi.org/10.3390/ma12010093. https://www.osti.gov/servlets/purl/1613830.
@article{osti_1613830,
title = {Resistance to Helium Bubble Formation in Amorphous SiOC/Crystalline Fe Nanocomposite},
author = {Su, Qing and Wang, Tianyao and Gigax, Jonathan and Shao, Lin and Nastasi, Michael},
abstractNote = {The management of radiation defects and insoluble He atoms represent key challenges for structural materials in existing fission reactors and advanced reactor systems. To examine how crystalline/amorphous interface, together with the amorphous constituents affects radiation tolerance and He management, we studied helium bubble formation in helium ion implanted amorphous silicon oxycarbide (SiOC) and crystalline Fe composites by transmission electron microscopy (TEM). The SiOC/Fe composites were grown via magnetron sputtering with controlled length scale on a surface oxidized Si (100) substrate. These composites were subjected to 50 keV He+ implantation with ion doses chosen to produce a 5 at% peak He concentration. TEM characterization shows no sign of helium bubbles in SiOC layers nor an indication of secondary phase formation after irradiation. Compared to pure Fe films, helium bubble density in Fe layers of SiOC/Fe composite is less and it decreases as the amorphous/crystalline SiOC/Fe interface density increases. Our findings suggest that the crystalline/amorphous interface can help to mitigate helium defect generated during implantation, and therefore enhance the resistance to helium bubble formation.},
doi = {10.3390/ma12010093},
journal = {Materials},
number = 1,
volume = 12,
place = {United States},
year = {Fri Dec 28 00:00:00 EST 2018},
month = {Fri Dec 28 00:00:00 EST 2018}
}
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Irradiation-tolerant nanostructured ferritic alloys: Transforming helium from a liability to an asset
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The effect of tensile stress on the growth of helium bubbles in an austenitic stainless steel
journal, September 1979
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Direct evidence for helium bubble growth in molybdenum by the mechanism of loop punching
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- Evans, J. H.; van Veen, A.; Caspers, L. M.
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Reaction of amorphous/crystalline SiOC/Fe interfaces by thermal annealing
journal, August 2017
- Su, Qing; Zhernenkov, Mikhail; Ding, Hepeng
- Acta Materialia, Vol. 135
Influence of topological constraints on ion damage resistance of amorphous hydrogenated silicon carbide
journal, February 2019
- Su, Qing; Wang, Tianyao; Gigax, Jonathan
- Acta Materialia, Vol. 165
The role of interface structure in controlling high helium concentrations
journal, June 2012
- Demkowicz, M. J.; Misra, A.; Caro, A.
- Current Opinion in Solid State and Materials Science, Vol. 16, Issue 3
He ion irradiation damage in Fe/W nanolayer films
journal, May 2009
- Li, Nan; Fu, E. G.; Wang, H.
- Journal of Nuclear Materials, Vol. 389, Issue 2
Interface enabled defects reduction in helium ion irradiated Cu/V nanolayers
journal, December 2010
- Fu, E. G.; Misra, A.; Wang, H.
- Journal of Nuclear Materials, Vol. 407, Issue 3
Helium transport, fate and management in nanostructured ferritic alloys: In situ helium implanter studies
journal, October 2011
- Odette, G. R.; Miao, P.; Edwards, D. J.
- Journal of Nuclear Materials, Vol. 417, Issue 1-3
Radiation damage in helium ion irradiated nanocrystalline Fe
journal, June 2012
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Diffusion of small He clusters in bulk and grain boundaries in α-Fe
journal, November 2013
- Deng, H. Q.; Hu, W. Y.; Gao, F.
- Journal of Nuclear Materials, Vol. 442, Issue 1-3
Helium solubility and bubble formation in a nanostructured ferritic alloy
journal, February 2014
- Li, Qian; Parish, C. M.; Powers, K. A.
- Journal of Nuclear Materials, Vol. 445, Issue 1-3
Nanostructured Cu/Nb multilayers subjected to helium ion-irradiation
journal, August 2007
- Zhang, X.; Li, Nan; Anderoglu, O.
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Helium Irradiation and Implantation Effects on the Structure of Amorphous Silicon Oxycarbide
journal, June 2017
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Atomistic studies of helium defect properties in bcc iron: Comparison of He–Fe potentials
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- Stewart, D. M.; Osetsky, Yu. N.; Stoller, R. E.
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Dose dependence of radiation damage in nano-structured amorphous SiOC/crystalline Fe composite
journal, September 2015
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Works referencing / citing this record:
Radiation Tolerance in Nano-Structured Crystalline Fe(Cr)/Amorphous SiOC Composite
journal, March 2019
- Su, Qing; Wang, Tianyao; Shao, Lin
- Crystals, Vol. 9, Issue 3