Biaxial Deformation Behaviors of C/C Composite at High Temperatures
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概要
- 論文の詳細を見る
Biaxial deformation behaviors of carbon fiber reinforced carbon (C/C) composite were investigated at three biaxial stress ratios T=0, 0.5 and 1 using a cruciform-type specimen with slots at high temperatures. The biaxial displacements were measured in center area of the specimen by means of a biaxial capacity-type extensometer. Finite element method was also performed to examine the validity of the geometry of the cruciform-type specimen with slots and to assess biaxial deformation behaviors of C/C composite at high temperatures. As a result, it was found that thermal stresses were restrained from genrating at high temperatures and uniform distributions of strains and stresses were realized in the center area of the specimen. The calculated biaxial strains were in quite good agreement with the measured ones by the biaxial extensometer. Accordingly, the analysis that used orthotropic theory was effective method to examine the biaxial deformation behaviors of C/C composite at high temperatures. Furthermore, it was indicated that C/C composite exhibited linear stress-strain response at high temperatures, independent of biaxial stress ratio.
- 一般社団法人日本機械学会の論文
- 2000-10-15
著者
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MASUMOTO Hiroki
Japan Ultra-higy Temperature Materials Research Institute(JUTEMI)
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Hatanaka Kenji
Department Of Biomaterials Okayama University Graduate School Of Medicine Dentistry And Pharmaceutic
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Ohtake Yasuhiro
Japan Ultra-high Temperature Materials Research Institute
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Sato Shunji
Department of Mechanical Engineering, Yamaguchi University
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Matsumura Yoshikazu
Japan Ultra-high Temperature Materials Research Institute
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Masumoto Hiroki
Japan Ultra-high Temperature Materials Research Institute
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Sato Shunji
Department Of Mechanical Engineering Yamaguchi University
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Matsumura Y
Japan Ultra-high Temperature Materials Research Institute
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