• A study of crashworthiness performance in thin-walledmulti-cell tubes 3D-printed from different polymers 

  Tunay, Merve; Bardakcı, Alperen (WILEY, 2024)

  Multicellular, thin-walled impact tubes have been intensely studied and usedin various engineering fields in recent years due to their lightweight, high per-formance, ease of application, superior energy absorption, and ...

• Experimental investigation of the axial crushing behavior of aluminum/CFRP hybrid tubes with circular-hole triggering mechanism 

  Çetin, Erhan; Baykasoğlu, Adil; Erdin, Muhammed Emin; Baykasoğlu, Cengiz (ELSEVIER SCI LTD, 2023)

  The current study investigates the axial crushing behavior of filament-wound aluminum/carbon fiber reinforced plastic (Al/CFRP) hybrid tubes with circular-hole triggering mechanism. The proposed hybrid design consists of ...

• A fully coupled thermal–microstructural–mechanical finite element processmodel for directed energy deposition additive manufacturing of Ti–6Al–4V 

  Tuna; Baykasoğlu, Cengiz; Akyıldız, Öncü; C.To, Albert (TAYLOR & FRANCIS LTD, 2023)

  A fully coupled thermal–microstructural–mechanical finite element modelling framework is developed to investigate the distortion and residual stresses during directed energy deposition (DED) of multi-phase Ti–6Al–4V alloy. ...

• Adsorptive separation of CH4, H2, CO2, and N2 using fullerene pillared graphene nanocomposites: Insights from molecular simulations 

  Mert Balaban, Hümeyra; Deniz, Celal Utku; Baykasoğlu, Cengiz (SPRINGER, 2023)

  Context The adsorptive separation performances of fullerene pillared graphene nanocomposites (FPGNs) with tunable micro and meso porous morphology are investigated for the binary mixtures of CH4, H2, CO2 and N2 by using ...

• Biomechanical Behavior Evaluation of Resin Cement with Different Elastic Modulus on Porcelain Laminate Veneer Restorations Using Micro-CT-Based Finite Element Analysis 

  Mert Eren, Meltem; Çelebi, Alper Tunga; İçer, Esra; Baykasoğlu, Cengiz; Mugan, Ata; Yücel, Taner; Yıldız, Esra (MDPI, 2023)

  The aim of this study is to evaluate the biomechanical behavior of the porcelain laminate veneer restorations (PLV) of the maxillary central incisor luted with two types of resin cements having different incisal preparations: ...

• Energy absorption of 2D auxetic structures fabricated by fused deposition modeling 

  Tunay, Merve; Çetin, Erhan (SPRINGER HEIDELBERG, 2023)

  Auxetic structures have become a very popular subject in recent years due to their interesting physical and mechanical properties such as light weight, energy absorption capability, and impact resistance. In this context, ...

• Ambient relative humidity effects on mechanical properties of FDM 3D printed PLA components 

  Demirtaş, Mehmet Selim; Avcıoğlu, Emir (IOP Publishing Ltd, 2023)

  Abstract In this study, poly(lactic acid) samples were printed by using the fused deposition method whereas ambient relative humidity conditions and filling percentages varied. The effects of the relative humidity on the ...

• A comparative experimental performance evaluation of solar air collector having absorber plate with convex oval-trench dimple 

  Abuşka, Mesut; Şefik, Seyfi; Özdilli, Özgür (Springer Science and Business Media Deutschland GmbH, 2023)

  The purpose of this research is to examine how convex oval-trench dimples placed staggered on a solar air collector's absorber improved vortex heat transfer. At air mass flow rates of 0.013, 0.027, and 0.036 kg/s, convex ...

• Wear and Service Life of 3-D Printed Polymeric Gears 

  Tunalıoğlu, Mert Şafak; Ağca, Bekir Volkan (MDPI, 2022)

  Plastic gears are mostly used in the textile, food, and automotive industries due to their silent operation, corrosion resistance, and light and cheap advantages. Plastic gears are generally manufactured by injection molding ...

• Weighted superposition attraction-repulsion (WSAR) algorithm for truss optimization with multiple frequency constraints 

  Baykasoğlu, Adil; Baykasoğlu, Cengiz (Elsevier Science Inc, 2021)

  Structural optimization of truss structures under multiple frequency constraints is a highly nonlinear and complex optimization problem with non-convex solution space. The optimization method used to solve mentioned problem ...

• Experimental and numerical analysis of the splay impact on the performance of splayed cross-cut fin heat sink 

  Şevik, Seyfi; Özdilli, Özgür (Elsevier France-Editions Scientifiques Medicales Elsevier, 2021)

  In this study, splayed effects on the thermal performance of standard cross-cut heat sink (S-CCHS), fixed-array splayed (FAS-CCHS), and full splayed (FS-CCHS) under natural and forced conditions are studied experimentally ...

• Grand canonical Monte Carlo simulations of methane adsorption in fullerene pillared graphene nanocomposites 

  Baykasoğlu, Cengiz; Mert Balaban, Hümeyra; Deniz, Celal Utku (Elsevier Science Inc, 2021)

  The objective of this study is to investigate the methane adsorption performance of fullerene pillared graphene nanocomposites (FPGNs) with adjustable micro and meso porous morphology and high surface/weight ratios. Different ...

• Li-doped fullerene pillared graphene nanocomposites for enhancing hydrogen storage: A computational study 

  Deniz, Celal Utku; Mert Balaban, Hümeyra; Baykasoğlu, Cengiz (Elsevier, 2021)

  Hydrogen physisorption in lithium doped fullerene pillared graphene nanocomposites (Li-FPGNs) having tunable pore structures were examined under different temperature and pressure conditions via grand canonical Monte Carlo ...

• A process-microstructure finite element simulation framework for predicting phase transformations and microhardness for directed energy deposition of Ti6Al4V 

  Baykasoğlu, Cengiz; Akyıldız, Öncü; Tunay, Merve; To, Albert C. (Elsevier, 2020)

  This paper presents a process-microstructure finite element modeling framework for predicting the evolution of volumetric phase fractions and microhardness during laser directed energy deposition (DED) additive manufacturing ...

• Optimal design of truss structures using weighted superposition attraction algorithm 

  Baykasoğlu, Adil; Baykasoğlu, Cengiz (Springer, 2020)

  In this paper, a recently developed swarm based metaheuristic algorithm called weighted superposition attraction (WSA) is implemented for sizing optimization of truss structures first time in literature. The WSA algorithm ...

• Crashworthiness of graded lattice structure filled thin-walled tubes under multiple impact loadings 

  Çetin, Erhan; Baykasoğlu, Cengiz (Elsevier Sci Ltd, 2020)

  The objective of this study is to investigate the crashworthiness performances of graded lattice structure filled tubes (GLSFTs) under multiple impact loadings. Different graded body-centered cubic aluminum lattice structures ...

• Monte Carlo simulations of hydrogen adsorption in fullerene pillared graphene nanocomposites 

  Mert Balaban, Hümeyra; Deniz, Celal Utku; Baykasoğlu, Cengiz (Taylor & Francis Ltd, 2020)

  The objective of this study is to investigate the hydrogen storage performances of three-dimensional periodic fullerene pillared graphene nanocomposites (FPGNs) consisting of covalently bonded fullerene units between ...

• Deep drawing of polymer coated metal sheets 

  Erdin, Muhammed Emin; Özdilli, Özgür (Korean Society of Mechanical Engineers, 2019)

  In the present study, the deep drawing of polymer coated metallic sheets were experimentally investigated to reduce friction and increase manufacturing efficiency without using a lubricant. Coating of metal sheets with a ...

• Multi-objective crashworthiness optimization of lattice structure filled thin-walled tubes 

  Baykasoğlu, Adil; Baykasoğlu, Cengiz; Çetin, Erhan (Elsevier Ltd, 2020)

  Thin-walled tubes have been mostly used in passive vehicle safety systems as crash energy absorber. With the use of additive manufacturing technology, it is possible to produce novel filler materials to further enhance the ...

• Energy absorption of thin-walled tubes enhanced by lattice structures 

  Çetin, Erhan; Baykasoğlu, Cengiz (Elsevier, 2019)

  Thin-walled structures filled or covered by various materials have been proposed for energy absorption applications in recent years. At this point, additive manufacturing technologies provide an unprecedented opportunity ...

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