TY - JOUR
T1 - Continuous SiC fiber, CVI SiC matrix composites for nuclear applications
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.
N1 - Funding Information:
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.
Funding Information:
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.
PY - 2014/5
Y1 - 2014/5
N2 - 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.
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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U2 - 10.1016/j.jnucmat.2013.06.040
DO - 10.1016/j.jnucmat.2013.06.040
M3 - Article
AN - SCOPUS:84899659191
VL - 448
SP - 448
EP - 476
JO - Journal of Nuclear Materials
JF - Journal of Nuclear Materials
SN - 0022-3115
IS - 1-3
ER -