Continuous SiC fiber, CVI SiC matrix composites for nuclear applications: Properties and irradiation effects

Yutai Katoh; Kazumi Ozawa; Chunghao Shih; Takashi Nozawa; Robert J. Shinavski; Akira Hasegawa; Lance L. Snead

doi:10.1016/j.jnucmat.2013.06.040

Continuous SiC fiber, CVI SiC matrix composites for nuclear applications: Properties and irradiation effects

Yutai Katoh, Kazumi Ozawa, Chunghao Shih, Takashi Nozawa, Robert J. Shinavski, Akira Hasegawa, Lance L. Snead

Materials Science and Technology Div

Research output: Contribution to journal › Article › peer-review

449 Scopus citations

Abstract

Silicon carbide (SiC) continuous fiber-reinforced, SiC-matrix composites (SiC/SiC composites) are industrially available materials that are promising for applications in nuclear environments. The SiC/SiC composites consisting of near-stoichiometric SiC fibers, stoichiometric and fully crystalline SiC matrices, and the pyrocarbon (PyC) or multilayered PyC/SiC interphase between the fiber and the matrix are considered particularly resistant to very high radiation environments. This paper provides a summary compilation of the properties of these composites, specifically those with the chemically vapor-infiltrated (CVI) SiC matrices, including newly obtained results. The properties discussed are both in unirradiated condition and after neutron irradiation to intermediate fluence levels (most data are for <∼10 displacement per atom) at 300-1300 °C.

Original language	English
Pages (from-to)	448-476
Number of pages	29
Journal	Journal of Nuclear Materials
Volume	448
Issue number	1-3
DOIs	https://doi.org/10.1016/j.jnucmat.2013.06.040
State	Published - May 2014

Funding

This work was supported by Office of Fusion Energy Sciences and Office of Nuclear Energy, U.S. Department of Energy under contract DE-C05-00OR22725 with UT-Battelle, LLC, and US–Japan TITAN Collaboration on Fusion Blanket Technology and Materials. Research supported in part by ORNL’s Shared Research Equipment (ShaRE) User Facility and High Flux Isotope Reactor, which are sponsored by the Office of Basic Energy Sciences, U.S. Department of Energy. The authors are thankful to J. Hemrick for providing a technical review of the manuscript, G. Youngblood for providing the HNLS/PyC150-B test specimens, W. Porter for generating the thermo-physical properties data, and D. Stevens for an editorial review. This manuscript has been authored by the Oak Ridge National Laboratory, managed by UT-Battelle LLC under Contract No. DE-AC05-00OR22725 with the US Department of Energy. The US Government retains and the publisher, by accepting the article for publication, acknowledges that the US Government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US Government purposes.

Funders	Funder number
U.S. Department of Energy	DE-C05-00OR22725
Office of Nuclear Energy
Basic Energy Sciences
Fusion Energy Sciences
Oak Ridge National Laboratory
UT-Battelle	DE-AC05-00OR22725

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10.1016/j.jnucmat.2013.06.040

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abstract = "Silicon carbide (SiC) continuous fiber-reinforced, SiC-matrix composites (SiC/SiC composites) are industrially available materials that are promising for applications in nuclear environments. The SiC/SiC composites consisting of near-stoichiometric SiC fibers, stoichiometric and fully crystalline SiC matrices, and the pyrocarbon (PyC) or multilayered PyC/SiC interphase between the fiber and the matrix are considered particularly resistant to very high radiation environments. This paper provides a summary compilation of the properties of these composites, specifically those with the chemically vapor-infiltrated (CVI) SiC matrices, including newly obtained results. The properties discussed are both in unirradiated condition and after neutron irradiation to intermediate fluence levels (most data are for <∼10 displacement per atom) at 300-1300 °C.",

author = "Yutai Katoh and Kazumi Ozawa and Chunghao Shih and Takashi Nozawa and Shinavski, {Robert J.} and Akira Hasegawa and Snead, {Lance L.}",

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T2 - Properties and irradiation effects

AU - Katoh, Yutai

AU - Ozawa, Kazumi

AU - Shih, Chunghao

AU - Nozawa, Takashi

AU - Shinavski, Robert J.

AU - Hasegawa, Akira

AU - Snead, Lance L.

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AB - Silicon carbide (SiC) continuous fiber-reinforced, SiC-matrix composites (SiC/SiC composites) are industrially available materials that are promising for applications in nuclear environments. The SiC/SiC composites consisting of near-stoichiometric SiC fibers, stoichiometric and fully crystalline SiC matrices, and the pyrocarbon (PyC) or multilayered PyC/SiC interphase between the fiber and the matrix are considered particularly resistant to very high radiation environments. This paper provides a summary compilation of the properties of these composites, specifically those with the chemically vapor-infiltrated (CVI) SiC matrices, including newly obtained results. The properties discussed are both in unirradiated condition and after neutron irradiation to intermediate fluence levels (most data are for <∼10 displacement per atom) at 300-1300 °C.

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Continuous SiC fiber, CVI SiC matrix composites for nuclear applications: Properties and irradiation effects

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