MATEC Web Conf.
Volume 329, 2020International Conference on Modern Trends in Manufacturing Technologies and Equipment: Mechanical Engineering and Materials Science (ICMTMTE 2020)
|Number of page(s)||6|
|Published online||26 November 2020|
Strength criterion for unidirectional CFRP under off-axis loading
1 Blagonravov Mechanical Engineering Research Institite of the Russian Academy of Sciences, Materials Sciences Department, 4 Maly Kharitonyevsky Pereulok, Moscow, 101990, Russia
2 Bauman Moscow State Technical University, Production Department, 5/1 2nd Baumanskaya Street, Moscow, 105005, Russia
* Corresponding author: firstname.lastname@example.org
A failure criterion is proposed which allows describing the strength of unidirectional CFRP under tension-compression at an off-axis angle with strength applicable for practical use. An experimental verification was carried out which showed satisfactory agreement with the experimental results. The criterion makes it possible to determine the peak of the failure envelope in the compression area caused, on the one hand, by an increase in strength under in-plane shear due to transverse compressive stresses and, on the other hand, by a decrease in strength due to destruction of the matrix and the interface between unidirectional layer components.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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