2020年
Experimental observation and FEM analysis of initial fractures in quasi-isotropic CFRP laminates subjected to compressive loading
Advanced Composite Materials
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- 記述言語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1080/09243046.2020.1802543
© 2020 Japan Society for Composite Materials, Korean Society for Composite Materials and Informa UK Limited, trading as Taylor & Francis Group. In this study, the mechanisms governing compressive strength in quasi-isotropic carbon-fiber reinforced-plastic laminates were clarified to gain an understanding of the results of non-hole compression tests. Synchronized observations of both sides of specimens provided insights into the locations of initial fractures in the width directions of the specimens. We also observed the areas surrounding the initial fractures in detail and found that the innermost 0° plies failed under the action of out-of-plane shear deformation. A finite element model was also used to elucidate the factors governing initial fracture. Analytical and experimental results suggest that the occurrence of initial fracture in quasi-isotropic laminates is dominated by out-of-plane shear stress. Based on the results of our analysis, a reasonable sequence of fractures was inferred.
- リンク情報
- ID情報
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- DOI : 10.1080/09243046.2020.1802543
- ISSN : 0924-3046
- eISSN : 1568-5519
- SCOPUS ID : 85089176131