Buckling in rectangular hybrid composite plates with angled groove-shaped cut-outs

Mehmet Emin Deniz; Ramazan Bardakci; Fırat Aydın

doi:10.1515/mt-2022-0317

Article

Buckling in rectangular hybrid composite plates with angled groove-shaped cut-outs

Mehmet Emin Deniz
Mehmet Emin Deniz was born in Batman, Turkey, in 1981. He received the B.Sc. degree at Mechanical Engineering in 2002, M.Sc. degrees in 2005 in Mechanic from Harran University, Şanlıurfa and Ph.D degree in 2011 in the Mechanics branch of the Graduate School of Natural and Applied Sciences, Dokuz Eylul University, Izmir, Turkey. He is currently an Associate Professor of Mechanics at Department of Mechanical Engineering, Engineering Faculty in Batman University, Batman, Turkey. He has fifteen international journal articles and participated in one National and thirteen International Conferences. In addition to these, he is a researcher of a scientific project supported from “The Scientific and Technological Research Council of Turkey (TÜBİTAK)”. Mr. Deniz is members of Turkish Society of Mechanical Engineers (TSME).
, Ramazan Bardakci
Ramazan Bardakci was born in Batman, Turkey, in 1994. He received the B.Sc. degree at Department of Mechanical Engineering in 2017 and M.Sc. degrees in 2020 in the Mechanics branch of the Graduate School of Natural and Applied Sciences from Batman University, Batman, Turkey.
and Fırat Aydın
Fırat Aydın was born in Batman, Turkey, in 1989. He received the B.Sc. degree at Department of Mechanical Engineering in 2014 from Dicle University, Diyarbakir and M.Sc. degrees in 2018 in the Mechanics branch of the Graduate School of Natural and Applied Sciences from Batman University, Batman, Turkey.

Published/Copyright: March 8, 2023

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From the journal Materials Testing Volume 65 Issue 3

Abstract

In this paper, eight-layer composite laminates were produced using twill and plain woven glass and carbon laminate fibers as a reinforcement element and as a matrix with epoxy resin. All laminates having the layup of [(0°/90°)₂]_s but the hybrid laminate arrangement varies between the number of woven glass and carbon laminates. The buckling behaviour of woven composite laminates used for typical of the aerospace industry is investigated. Un-grooved and grooved with centered elliptical groove angles with 0°, 15°, 30°, 45°, 60°, 75° and 90° specimens were subjected to buckling tests. It was investigated how the woven type, laminate designation, and groove angles affect the buckling behaviour. Cut-out causes to decrease of buckling load of composite plates. It is understood that the buckling load increased with regard to the increase groove angle (from 0° to 90°) of the composite plates. As the laminate designation changed, the buckling load also changed significantly. The buckling load of composite plates is highly influenced by its weave type. As a fiber, it has been determined that the buckling behaviour of carbon fiber is better than glass fiber. In addition, it was concluded that the twill weave type is generally better than the plain weave type.

Keywords: buckling behaviour; buckling load; groove angle; hybrid composite laminates; woven type

Corresponding author: Mehmet Emin Deniz, Mechanical Engineering, Batman University, Batman, Türkiye, E-mail: mehmetemin.deniz@batman.edu.tr

About the authors

Mehmet Emin Deniz

Mehmet Emin Deniz was born in Batman, Turkey, in 1981. He received the B.Sc. degree at Mechanical Engineering in 2002, M.Sc. degrees in 2005 in Mechanic from Harran University, Şanlıurfa and Ph.D degree in 2011 in the Mechanics branch of the Graduate School of Natural and Applied Sciences, Dokuz Eylul University, Izmir, Turkey. He is currently an Associate Professor of Mechanics at Department of Mechanical Engineering, Engineering Faculty in Batman University, Batman, Turkey. He has fifteen international journal articles and participated in one National and thirteen International Conferences. In addition to these, he is a researcher of a scientific project supported from “The Scientific and Technological Research Council of Turkey (TÜBİTAK)”. Mr. Deniz is members of Turkish Society of Mechanical Engineers (TSME).

Ramazan Bardakci

Ramazan Bardakci was born in Batman, Turkey, in 1994. He received the B.Sc. degree at Department of Mechanical Engineering in 2017 and M.Sc. degrees in 2020 in the Mechanics branch of the Graduate School of Natural and Applied Sciences from Batman University, Batman, Turkey.

Fırat Aydın

Fırat Aydın was born in Batman, Turkey, in 1989. He received the B.Sc. degree at Department of Mechanical Engineering in 2014 from Dicle University, Diyarbakir and M.Sc. degrees in 2018 in the Mechanics branch of the Graduate School of Natural and Applied Sciences from Batman University, Batman, Turkey.

Acknowledgement

This research is a part of a Master Thesis that carried out by Ramazan Bardakci at Batman University, The Graduate School of Natural and Applied Science. Mehmet Emin Deniz is the advisor of this thesis.

Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Data availability: Data used to support the findings of this study are included in the article.

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Published Online: 2023-03-08

Published in Print: 2023-03-28

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Articles in the same Issue

https://doi.org/10.1515/mt-2022-0317

Keywords for this article

buckling behaviour; buckling load; groove angle; hybrid composite laminates; woven type