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Interlaminar tensile strength and mode I fracture toughness of different angle-ply CFRP and GFRP composite laminates
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index.pdf
Date
2019
Author
Yavuz, Burak Ogün
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Delamination is one of the main failure mechanisms in composite structures. Initiation and propagation of delamination are controlled by interface parameters including the interlaminar strength and fracture toughness, respectively. Hence, it is crucial to use the correct values of these parameters in the design and analysis of components such as composite tapered beams and curved beams. In this study, the effect of ply orientation on the interlaminar tensile strength and Mode I fracture toughness for CFRP, and GFRP laminates are investigated. For this purpose, curved beam strength (CBS) experiments are conducted on CFRP and GFRP laminates with 0˚/0˚, 25˚/-25˚, 45˚/-45˚ and 65˚/-65˚ interfaces and double cantilever beam (DCB) experiments are conducted on CFRP, and GFRP laminates with 0˚//0˚, 25˚//-25˚, 45˚//-45˚, 45˚//45˚, 65˚//65˚, and 90˚//90˚ interfaces.
Subject Keywords
Fracture mechanics.
,
Keywords: Interlaminar Tensile Strength Fracture Toughness CBS Test Mode I DCB Test.
URI
http://etd.lib.metu.edu.tr/upload/12624540/index.pdf
https://hdl.handle.net/11511/44612
Collections
Graduate School of Natural and Applied Sciences, Thesis