Yazar "Ataş, Akın" için listeleme
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Application of cohesive zone elements in damage analysis of composites: strength prediction of a single-bolted joint in cfrp laminates
Ataş, Akın; Soutis, C. (Pergamon-Elsevier Science Ltd, 2014)Cohesive zone elements are implemented in 3-D finite element models in order to develop a strength prediction method for single-bolted joints in CFRP composite laminates. The motivation for using the CZEs is to avoid ... -
Bolted joints in quasi-unidirectional glass-fibre NCF composite laminates
İnal, Oğuzcan; Balıkoğlu, Fatih; Ataş, Akın (Elsevier Sci Ltd, 2018)In this study, crossply and quasi-isotropic quasi-unidirectional (quasi-UD) non-crimp fabric (NCF) glass/epoxy laminates were manufactured by using vacuum assisted resin transfer moulding (VARTM) and tested according to ... -
Bolted joints in three axially braided carbon fibre/epoxy textile composites with moulded-in and drilled fastener holes
Ataş, Akın; Gautam, Mayank; Soutis, Constantinos; Potluri, Prasad (Springer, 2017)Experimental behaviour of bolted joints in triaxial braided (0 degrees/+/- 45 degrees) carbon fibre/ epoxy composite laminates with drilled and moulded-in fastener holes has been investigated in this paper. Braided laminates ... -
Buckling analysis of laminated composite plates with an elliptical/circular cutout using FEM
Kömür, Mehmet Aydın; Şen, Faruk; Ataş, Akın; Arslan, Nurettin (Elsevier Sci Ltd, 2010)In this study, a buckling analysis was carried out of a woven-glass-polyester laminated composite plate with an circular/elliptical hole, numerically. In the analysis, finite element method (FEM) was applied to perform ... -
Compression after low velocity impact tests of marine sandwich composites: effect of intermediate wooden layers
Balıkoğlu, Fatih; Demircioğlu, Tayfur Kerem; İnal, Oğuzcan; Arslan, Nurettin; Ataş, Akın (Elsevier Sci Ltd, 2018)In the present work, compression after impact (CAI) behavior of sandwich composite materials with intermediate wooden layers was investigated. Sandwich panels were manufactured by using vacuum assisted resin transfer molding ... -
Damage and failure analysis of bolted joints in composite laminates
Ataş, Akın; Soutis, C. (Pringer International Publishing, 2016)Composite materials have gained popularity in high-performance products that need to be lightweight, yet strong enough to take high loads. Their adoption as a major contribution to aircraft structures followed on from the ... -
Dokuma fiber takviyeli paralel pim delikli tabakalı polyester kompozit plakaların statik yük altındaki davranışlarının incelenmesi
Ataş, Akın (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2007)Bu çalışmanın amacı iki paralel rijit pim tarafından değişken yayılı yüke maruz kalmış iki paralel delikli tabakalı cam elyaf-polyester kompozit plaktaki, hasar yükünü ve yataklama mukavemetini araştırmaktır. Pim yüklü ... -
Effect of clamping force on the delamination onset and growth in bolted composite laminates
Ataş, Akın; Mohamed, Galal; Soutis, Constas (Elsevier Sci Ltd, 2012)Clamping force is a key element that alters the mechanism and sequence of failure in bolted joints of composite laminates. The mode of failure in bolted joints can be controlled by geometrical parameters and the preferred ... -
The effect of curing conditions and fiber end shapes on the mechanical properties of composites
Ataş, Akın; Arslan, Nurettin; Türkbaş, Selim; Özdemir, Zafer (Sage Publications Ltd, 2009)The study consists of two main experimental parts. The aim of the first part of the study is to investigate the effects of the straight-short steel fibers and different curing conditions on the mechanical properties of the ... -
Effect of delamination on the stress distribution of pin-loaded holes in composite laminates
Ataş, Akın; Soutis, Constantinos (Riso Natl Laboratory, 2011)A three-dimensional (3D) finite element (FE) model of a pin-loaded hole in a [0 degrees/90 degrees](s) carbon fiber-epoxy composite laminate is developed. Contact based cohesive zone elements (CZE) inserted between the ... -
Effect of quasi-static and intermediate strain rates on the tensile properties of hybrid polymer composites
Balıkoğlu, Fatih; Demircioğlu, Tayfur Kerem; Diler, Ege A.; Ataş, Akın (Sage Publications Ltd, 2021)This study presents the results of an investigation on the tensile behaviour of hybrid polymer composites under different strain rates. Glass/carbon, aramid/carbon, glass/aramid, and glass/aramid/carbon hybrid laminates ... -
Experimental investigation of pinned joints in ncf glass-fibre reinforced composite plates
İnal, Oğuzcan; Ataş, Akın (Gazi Univ, 2018)In this study, mechanical behaviour of quasi-unidirectional (quasi-UD) non-crimp fabric (NCF) reinforced composite plates with pinned joints was investigated experimentally. Composite laminates with three different cross-ply ... -
Experimental investigation on low-velocity impact response of wood skinned sandwich composites with different core configurations
Demircioğlu, Tayfur Kerem; Balıkoğlu, Fatih; İnal, Oğuzcan; Arslan, Nurettin; Ay, İrfan; Ataş, Akın (Elsevier Science, 2018)alternative design configurations were developed by using rubber-cork and E-glass composite layers between the foam core and wood skin in order to improve the impact performance of conventional sandwich composites. ... -
An experimental study on the flexural behaviour of symmetric and asymmetric marine composite sandwich beams
Balıkoğlu, Fatih; Demircioğlu, Tayfur Kerem; Ataş, Akın (Sage Publications LTD, 2022)This paper presents a rigorous study on the flexural behaviour of symmetric and asymmetric marine sandwich beams consisting of polyvinyl chloride (PVC) foam core and glass fibre composite face-sheets. The sandwich beams ... -
Failure analysis of bolted joints in cross-ply composite laminates using cohesive zone elements
Ataş, Akın; Soutis, Constantinos (Tech Science Press, 2013)A strength prediction method is presented for double-lap single fastener bolted joints of cross-ply carbon fibre reinforced plastic (CFRP) composite laminates using cohesive zone elements (CZEs). Three-dimensional finite ... -
Failure analysis of laminated composite plates with two parallel pin-loaded holes
Ataş, Akın; Arslan, Nurettin; Şen, Faruk (Sage Publications Ltd, 2009)The aim of this study is to research the failure loads and failure modes of laminated woven-glass-polyester composite plates with two parallel circular holes, which are subjected to traction forces by two rigid pins. The ... -
Improving four-point bending performance of marine composite sandwich beams by core modification
Balıkoğlu, Fatih; Arslan, Nurettin; Demircioğlu, T. K.; İnal, Oğuzcan; İren, M.; Ataş, Akın (Sage Publications, 2020)The aim of this study was to improve four-point bending performance of foam core sandwich composite beams by applying various core machining configurations. Sandwich composites have been manufactured using perforated and ... -
Kıvrımsız cam elyaf takviyeli kompozit plakalarda cıvata bağlantılarının deneysel ve nümerik olarak incelenmesi
İnal, Oğuzcan (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2017)Kıvrımsız elyaf (KE) kompozitler, ucuz üretim yöntemleri ve iyi mekanik özellikleri sebebiyle dikkat çeken kompozit malzeme sistemlerinden birisidir ve geniş uygulama alanlarına sahiptir. Ayrıca, kompozit yapılarda ... -
Mechanical performance of marine sandwich composites subjected to flatwise compression and flexural loading: Effect of resin pins
Balıkoğlu, Fatih; Demircioğlu, Tayfur Kerem; Yıldız, Mehmet; Arslan, Nurettin; Ataş, Akın (SAGE Publications Ltd, 2018)Mechanical performance of marine sandwich panels comprising E-glass/vinyl ester face sheets and perforated poly-vinyl chloride foam core was evaluated and compared with conventional foam core sandwich panels. Circular ... -
Modelling delamination onset and growth in pin loaded composite laminates
Ataş, Akın; Mohamed, Galal; Soutis, Constantinos (Elsevier Sci Ltd, 2012)A three-dimensional (3D) finite element (FE) model is created with cohesive zone elements (CZE) to simulate a mechanically fastened [0 degrees/90 degrees](s) pin-loaded joint in a composite laminate. The model incorporates ...
