Neutron Irradiation Effects on Correlations between Microstructure and Mechanical Properties of C/C Composites
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概要
- 論文の詳細を見る
Neutron irradiation effects on microstructure and mechanical properties of C/C composites were examined, and correlations between changes of mechanical properties and microstructure of composites were inspected. Materials used were one- and two-directionally reinforced composites with mesophase-pitch based carbon fibers as reinforcement and the mixture of green coke and phenolic resin as matrix precursor. Neutron irradiation was performed to 1.3 x 10^<21> and 1.5 x 10^<22> n/m^2 (E>1 MeV) at about 350 K. Mechanical properties were measured by bend tests. Flexural and shear strength were increased with increasing neutron fluence. On the contrary, fracture strain showed quite a little dependence on neutron fluence. Flexural modulus at near 0 strain was increased with increasing fluence. Stress stiffening at near 0 strain was suppressed with irradiation. While, modulus drop was observed at high strain region and was decreased with increasing neutron fluence.CC compositecarbon fiberstress stiffening
- 東北大学の論文
- 1994-09-16
著者
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Sato S
Department Of Physics Nagoya University
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SATO S.
Department of Periodontics, School of Dentistry, University of Washington
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Sato S
Inoue Superliquid Glass Project Exploratory Research For Advanced Technology Japan Science And Techn
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Hamada K
Institute Of Atomic Energy Kyoto University
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HAMADA K.
Department of Materials Science, The University of Tokyo
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KOHYAMA A.
Department of Materials Science, The University of Tokyo
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