Journal
JOURNAL OF NUCLEAR MATERIALS
Volume 448, Issue 1-3, Pages 478-486Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnucmat.2013.10.005
Keywords
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Funding
- Office of Fusion Energy Sciences [DE-C05-00OR22725]
- UT-Battelle, LLC
- US-Japan TITAN Collaboration on Fusion Blanket Technology and Materials
- High Flux Isotope Reactor
- Office of Basic Energy Sciences, U.S. Department of Energy
- International Research Center for Nuclear Materials Science
- Institute for Materials Research, Tohoku University
- [24-3915]
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Unidirectional silicon carbide (SiC)-fiber-reinforced SiC matrix (SiC/SiC) composites fabricated by a nano-infiltration and transient eutectic-phase (NITE) process were irradiated with neutrons at 600 degrees C to 0.52 dpa, at 830 degrees C to 5.9 dpa, and at 1270 degrees C to 5.8 dpa. The in-plane and trans-thickness tensile and the inter-laminar shear properties were evaluated at ambient temperature. The mechanical characteristics, including the quasi-ductile behavior, the proportional limit stress, and the ultimate tensile strength, were retained subsequent to irradiation. Analysis of the stress-strain hysteresis loop indicated the increased fiber/matrix interface friction and the decreased residual stresses. The inter-laminar shear strength exhibited a significant decrease following irradiation. Published by Elsevier B.V.
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