Buckling behavior of laminated composites with embedded delaminations
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Mehmet Emin Deniz
Mehmet Emin Deniz was born in Batman, Turkey, in 1981. He received his BSc degree at Mechanical Engineering in 2002, M.Sc. degrees in 2005 in Mechanic from Harran University, Şanlıurfa and his PhD 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.
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Nevra Oral
Nevra Oral was born in Diyarbakır, Turkey in 1989. He received his BSc degree at the Department of Mechanical Engineering in 2015 and his MSc degree in 2018 in the mechanics branch of the Graduate School of Natural and Applied Sciences from Batman University, Batman, Turkey.
Abstract
The aim of this study is to determine the structural effects of different delamination types on buckling behavior of the E-glass/epoxy with [0]8, [90]8, [±45]4 orientation angles and aramid/epoxy with [±45]4 orientation angle of the composite plates. The buckling behaviors of the layered composites with three different artificial delamination geometries namely, RECDel (rectangular delamination), SQRDel (square delamination), and CIRDel (circle delamination) as well as with different delamination locations (at depth ratios of t/h = 0.25 and t/h = 0.5) were investigated under compression load experimentally. The boundary conditions were clamped for loaded ends while they were freed for the other edges. The dimensions of rectangular composite plates were selected as 150 mm (L) × 25 mm (b) × 2.32 mm (h). Five specimens for each parameter of delaminated composite plates were tested to get the average buckling load. The test results showed that load values of the aramid/epoxy load values were higher than load values of the glass/epoxy load values regardless of the similarity of the buckling loads for t/h = 0.25 and t/h = 0.5 depth ratios. Furthermore, it is possible to conclude that the performance of both the glass/epoxy and the aramid/epoxy buckling are strongly influenced by the layered orientation configurations.
Funding source: The Scientific Research Project Unit of Batman University (BAP) http://ebap.batman.edu.tr/?act=guest&act2=projeler&act3=detay&mode=clear&id=245
Award Identifier / Grant number: BATUBAP-2017-M.Sc-8
About the authors
Mehmet Emin Deniz was born in Batman, Turkey, in 1981. He received his BSc degree at Mechanical Engineering in 2002, M.Sc. degrees in 2005 in Mechanic from Harran University, Şanlıurfa and his PhD 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.
Nevra Oral was born in Diyarbakır, Turkey in 1989. He received his BSc degree at the Department of Mechanical Engineering in 2015 and his MSc degree in 2018 in the mechanics branch of the Graduate School of Natural and Applied Sciences from Batman University, Batman, Turkey.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: This research was financed by the Scientific Research Project Unit of Batman University (BAP) (Project Number: BATUBAP-2017-M.Sc-8).
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
- Frontmatter
- Experimental and dynamic thermal numerical investigation of a climate test chamber
- Influence of high-temperature, high-pressure, and acidic conditions on the structure and properties of high-performance organic fibers
- Microstructure analysis and mechanical properties of electron beam powder bed fusion (PBF-EB)-manufactured γ-titanium aluminide (TiAl) at elevated temperatures
- Microstructural evolution and impression creep properties of a lead-based alloy PbSn16Sb16Cu2
- Laser and TIG welding of additive manufactured Ti-6Al-4V parts
- Investigation of the hydrogen embrittlement susceptibility of steel components during thin-film hot-dip galvanizing
- Effects of coating, holding force, stretching height, yield stress, and surface roughness on springback of steel in the V-stretch bending test
- Gradient-based optimizer for economic optimization of engineering problems
- Failure investigation of a spline half-shaft in a loader rickshaw differential system
- Manta ray foraging optimization algorithm and hybrid Taguchi salp swarm-Nelder–Mead algorithm for the structural design of engineering components
- Effect of tool rotational speed and position on mechanical and microstructural properties of friction stir welded dissimilar alloys AZ31B Mg and Al6061
- Effect of different joint angles on the mechanical strength of adhesive-bonded scarf and double butt–lap joints
- Buckling behavior of laminated composites with embedded delaminations
- Comparison of pull-out behavior of glass, basalt, and carbon rovings embedded in fine-grain concrete and geopolymer
