| Issue |
MATEC Web Conf.
Volume 349, 2021
6th International Conference of Engineering Against Failure (ICEAF-VI 2021)
|
|
|---|---|---|
| Article Number | 01005 | |
| Number of page(s) | 10 | |
| Section | Composite Materials: Characterization, Mechanical Behavior and Modeling, Multifunctionality, Advanced Manufacturing Techniques | |
| DOI | https://doi.org/10.1051/matecconf/202134901005 | |
| Published online | 15 November 2021 | |
The crack quasi-static growth and analysis of interlaminar crack resistance of layered composite
1 Riga Technical College, Physics Department, LV1084 Riga, Latvia
2 Riga Technical University, Institute of Aeronautics, LV1003 Riga, Latvia
Corresponding author: Vitalijs.Pavelko@rtu.lv
Using the model of quasi-static crack growth and test result of the double cantilever beam (DCB) sample of layred carbon/epoxy composite, the general regularities of the interlaminar crack resistance of mode 1 were studied. The main attention was focused on the variability of crack resistance associated, on the one hand, with the continuity of the fracture process, and, on the other hand, with the non-homogeneity of the material structure, which causes local random deviations from the average characteristics of the material.The dissipation energy rate (total crack resistance) and crack resistance function (R-curve) were extracted from test results and their properties analyzed.
© The Authors, published by EDP Sciences, 2021
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