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Effects of translaminar edge crack and fiber angle on fracture toughness and crack propagation behaviors of laminated carbon fiber composites
Date
2024-06-01
Author
Asan, Ahmet Murat
Kaman, Mete Onur
Dağ, Serkan
Erdem, Serkan
Turan, Kadir
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In this study, the translaminar fracture toughness of carbon fiber laminated composites with different layer sequences was investigated experimentally and numerically for different crack directions. In the numerical study, first of all, the critical stress intensity factor was determined by using the M-integral method. Three-dimensional model and M-integral analysis were achieved in the ANSYS finite element package program. The non-local stress fracture criterion was used to in order to find failure curves of the materials. Then, in order to find the crack propagation directions numerically, the solid model was transferred to the LS-DYNA program and progressive failure analysis was performed. Fracture toughness decreased by 9.92 % with the change of crack angle from 15° to 90°. As the fiber angle changed from 0° to 45°, it decreased by 9.17 %. The biggest error between the experimental and numerical study results was found at α = 45°, with a rate of 12.3 %.
Subject Keywords
Laminated composites
,
M-integral
,
Progressive failure analysis
,
Translaminar fracture toughness
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85194356474&origin=inward
https://hdl.handle.net/11511/110007
Journal
International Journal of Materials Research
DOI
https://doi.org/10.1515/ijmr-2023-0317
Collections
Department of Mechanical Engineering, Article
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BibTeX
A. M. Asan, M. O. Kaman, S. Dağ, S. Erdem, and K. Turan, “Effects of translaminar edge crack and fiber angle on fracture toughness and crack propagation behaviors of laminated carbon fiber composites,”
International Journal of Materials Research
, vol. 115, no. 6, pp. 446–462, 2024, Accessed: 00, 2024. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85194356474&origin=inward.