Strength and interfacial properties of single fiber-tow CVI SiC/SiC minicomposites

Ozawa, Kazumi; Kato, Yutai*; Nozawa, Takashi; Tanigawa, Hiroyasu; Snead, L. L.*

An advanced SiC/SiC composite is very attractive as an advanced blanket material for fusion DEMO reactor. In this study, tensile and fiber/matrix interfacial properties of unirradiated SiC/SiC minicomposites were evaluated in order to examine the effects of difference of fiber and interphase thickness. The experiments revealed that fiber surface roughness directly correlates with interfacial sliding stress and that the relationship can affects ultimate tensile stress. Additionally the dependence of interphase thickness on tensile and interfacial strength was also confirmed.

Language	:	English
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Meeting title	:	15th International Conference on Fusion Reactor Materials (ICFRM-15)
Held date	:	2011/10
Location (city)	:	Charleston
Location (country)	:	U.S.A.
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Keywords	:	no keyword
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Article of JAEA R&D Review	:
Cooperating Institute	:	Oak Ridge National Laboratory

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Registration No. : BB20111742
JAEA Abstracts No. :
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