Abstract
SiC/SiC composite with SiC/C multi-layer interphase coated on advanced SiC fibers was fabricated by the forced thermal-gradient chemical vapor infiltration (F-CVI) process. SEM and TEM observations verified that SiC/C multi-layer interphase was formed on SiC fibers. Both flexural and tensile strengths of SiC/SiC composite with SiC/C multi-layer interphase were approximately 10% higher than composites fabricated with single carbon interphase. The SEM observation of fracture surface for the composite with SiC/C multi-layer interphase revealed cylindrical steps formed around the fiber. Apparently several crack deflections occurred within SiC/C multi-layer interphase. Moreover, the SiC/C multi-layer applied in this study operated efficiently to improve the mechanical properties.
Original language | English |
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Pages (from-to) | 572-576 |
Number of pages | 5 |
Journal | Journal of Nuclear Materials |
Volume | 329-333 |
Issue number | 1-3 PART A |
DOIs | |
State | Published - Aug 1 2004 |
Event | Proceedings of the 11th Conference on Fusion Research - Kyoto, Japan Duration: Dec 7 2003 → Dec 12 2003 |
Funding
This study was carried out under the US-DOE/JAERI Collaborative Program on FWB Structural Materials in Mixed-Spectrum Fission Reactors, Phase IV. This study was also supported by CREST-ACE (Core Research for Evolutional Science and Technology/Advanced Material Systems for Energy Conversion) program sponsored by the Japan Science and Technology Corporation.