Mixed-Mode Fracture Test of CFRP Laminates
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概要
- 論文の詳細を見る
Mixed-mode (mode I and mode II) interlaminar fracture toughness of uni-directional reinforced and woven carbon fiber-reinforced plastic (CFRP) is evaluated using DCB specimens. A new testing apparatus is made in order to change the ratio of mode I to mode II across a wide range. The fracture toughness value is evaluated based on beam theory, and the deformation of the specimen is analyzed by the finite element method (FEM) . The relationship between compliance and crack length obtained in the experiment agrees with the results obtained by FEM. The constant fracture toughness value, G_c, which is independent of crack length, is obtained. Due to the decrease of the G_I/G_II ratio, the fracture toughness value increases. It is shown that the role of mode II changes largely due to the change in the ratio of mode I to mode II, though the mode I component maintains a nearly constant value.
- 一般社団法人日本機械学会の論文
- 1992-10-15
著者
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Kikuchi Masanori
Department Of Food Production And Utility Development Graduate School Of Dairy Science Research Raku
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Kuroda M
Graduate Student Of Science University Of Tokyo
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KURODA Motofumi
Graduate student of Science University of Tokyo
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Kikuchi Masanori
Department Of Mechanical Engineering Faculty Of Science And Technology Science University Of Tokyo
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