Yazar "Aykul, Halil" için listeleme
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Computed tomography analysis of impact response of lightweight sandwich panels with micro lattice core
Abrate, Serge; Epasto, Gabriella; Kara, Emre; Crupi, Vincenzo; Guglielmino, Eugenio; Aykul, Halil (SAGE Publications Ltd, 2018)One of the main focuses in transportation engineering is the application of sandwich materials in order to create safer and efficient vehicles. The main focus of this study was the application of 3D computed tomography for ... -
Çeşitli elyaf dizilimleriyle oluşturulmuş metal köpük çekirdekli sandviç kompozitlerin mekanik davranışlarının incelenmesi
Kara, Emre (Hitit Üniversitesi Fen Bilimleri Enstitüsü, 2012)Sandviç kompozit üretimi ile elde edilen başarıların gün geçtikçe artması, bu tip malzemelere olan ilgiyi yoğunlaştırmıştır. Bu tezde, hafiflik ve mukavemet özelliklerinden dolayı tercih edilen sandviç kompozitler ve bu ... -
Effect of different palatal vault shapes on the dimensional stability of glass fiberreinforced heat-polymerized acrylic resin denture base material
Objective: The aim of this study was to determine the effect of different palatal vault shapes on the dimensional stability of a glass fiber reinforced heat polymerized acrylic resin denture base material. Methods: Three ... -
An elastic-plastic and residual stress analysis steel reinforced thermoplastic composite cantilever beam
Aykul, Halil; Kaya, Sami (2010)In the present study an analytical elastic-plastic stress analysis is carried out for a low-density homogeneous polyethylene thermoplastic cantilever beam reinforced by steel fibers. The beam is loaded by a constant single ... -
An elastic-plastic stress analysis of woven Ni-Cr reinforced thermoplastic composite cantilever beam
Aykul, Halil; Sayman, Onur (2007)In the present study an analytical elastic-plastic stress analysis is carried out for a low-density homogeneous polyethylene thermoplastic cantilever beam reinforced by Ni-Cr steel fibers. The beam is loaded by a constant ... -
An elastic-plastic stress analysis steel-reinforced thermoplastic composite cantilever beam
Aykul, Halil; Yılmaz, Selim Sarper (2008)In the present study an analytical elastic-plastic stress analysis is carried out for a low-density homogeneous polyethylene thermoplastic cantilever beam reinforced by steel fibers. The beam is loaded by a constant single ... -
Evaluation of the effects of surface treatments on different dental ceramic structures
Ertürk, Ergül; Dalkız, Mehmet; Özyılmaz, Emre; Akbaş, H. Zehra; Çetinkara, H. Ali; Aykul, Halil (2013)The surface treatments applied to porcelain materials can be different overglaze methods, chemical interactions and polishing techniques. The aims of these methods are the most durable restoration and the smoothest surface. ... -
Fatigue behavior of adhesively bonded glass fiber reinforced plastic composites with different overlap lengths
Kara, Emre; Kurşun, Ali; Haboğlu, Mustafa Reşit; Enginsoy, Halil Murat; Aykul, Halil (SAGE Publications Ltd, 2015)The joining techniques of lightweight and strong materials in the transport industry (e.g. automotive, aerospace, shipbuilding industries) are very important for the safety of the entire structure. In these industries, ... -
Flexural behaviour of glass fiber reinforced aluminium honeycomb sandwiches in flatwise and edgewise positions
Kara, Emre; Crupi, Vincenzo; Epasto, Gabriella; Guglielmino, Eugenio; Aykul, Halil (European Conference on Composite Materials, ECCM, 2014)The goal of this research was the analysis of edgewise bending response of sandwiches, which consists of aluminium honeycomb sandwich reinforced by outer skins made of glass fiber reinforced epoxy matrix. The test results ... -
Impact response of sandwiches with open-cell casting metal foam and GFRP skins
Kurşun, Ali; Kara, Emre; Aykul, Halil; Şenel, Mehmet; Ağır, İnan (Taylor and Francis Ltd., 2016)The main advantage of using sandwich structures is their high strength, high energy absorbing capacity and high bending stiffness to weight ratio. Therefore, they are unique for the applications where the light-weight ... -
Investigation of the effect of temperature on the mechanical properties of E-Glass fiber reinforced composites
Haboğlu, Mustafa Reşit; Kurşun, Ali; Kara, Emre; Çetin, Erhan; Aykul, Halil (The Composites and Advanced Materials Expo (CAMX), 2014)In this study, mechanical characterization of E-Glass fiber reinforced composite materials that are manufactured via Vacuum Infusion (VI) (a.k.a Vacuum Assisted Resin Transfer Molding (VARTM)) is investigated. The mechanical ... -
Investigation of the Effects of Abutment and Implant Length on Stability of Short Dental Implants
Diş hekimliğinde bulunan farklı sorunları çözmek için dental implantların kullanımı hızla artmaktadır. Dental implantların başarı oranları da hastalar için oldukça önemlidir. Kısa dental implantlar, hastaların kemik ... -
Kısa dental implantlarda implant üstü protetik yapılara etki eden fonksiyonel kuvvetlerin sonlu elemanlar analizi yöntemiyle incelenmesi
Özyılmaz, Eda (Hitit Üniversitesi Fen Bilimleri Enstitüsü, 2014)Bir implant tasarımının gerçekleştirilmesi sırasında göz önünde bulundurulması gereken parametreler gerçek bir mühendislik sorunudur. Dental implantlardan uzun süreli ve hatta ömür boyu başarıların elde edilebilmesi için ... -
Low velocity impact response of glass fiber reinforced aluminium foam sandwich
Kara, Emre; Crupi, Vincenzo; Epasto, Gabriella; Guglielmino, Eugenio; Aykul, Halil (European Conference on Composite Materials, ECCM, 2012)The aim of this study was the analysis of the bending and the low - velocity impact response of aluminium foam sandwich reinforced by the outer skins made of glass fiber reinforced epoxy matrix and the results were compared ... -
Parçacık sürüsü optimizasyonu tabanlı pıd kontrolör ile AA servomotor denetimi
Çetin, Erhan (Hitit Üniversitesi Fen Bilimleri Enstitüsü, 2013)Bu çalışmada, AA servomotorlar ile tahrik edilen bir hareket kontrol sisteminin hız ve pozisyon kontrolü için optimal PID kontrolör parametrelerinin belirlenmesinde parçacık sürüsü algoritması (PSO) olarak adlandırılan ... -
Prediction model for the impact response of glass fibre reinforced aluminium foam sandwiches
Crupi, Vincenzo; Kara, Emre; Epasto, Gabriella; Guglielmino, Eugenio; Aykul, Halil (Elsevier Ltd, 2015)The use of sandwich structures combines low weight with high energy absorbing capacity, so they are suitable for applications in the transport industry (automotive, aerospace, shipbuilding industry), where the "lightweight ... -
Residual stress analysis and expansion of plastic zone in simple supported woven Ni-Cr reinforced thermoplastic matrix composite laminated plates
Aykul, Halil (2006)In this study, a residual stress analysis is carried out on symmetric and antisymmetric cross-ply and angleply thermoplastic simple supported laminated plates for transverse loading. Low density polyethylene thermoplastic ... -
Residual stress analysis of aluminum metal matrix composite laminated plates with a square hole
Aykul, Halil; Özdin, Kamil (2009)Metal matrix composites provide new materials with superior properties. They give high strength and stiffness. In this study, a stainless steel reinforced aluminum metal matrix laminated simple supported plate with a square ... -
Residual stress analysis snd expansion of plastic zone in simple supported and clamped supported woven Ni-Cr reinforced thermoplastic matrix composite laminated plates
Aykul, Halil; Uzkut, Mehmet (2007)In this study, a residual stress analysis is carried out on symmetric cross-ply and angle-ply thermoplastic simple supported and clamped supported laminated plates for transverse loading. Low density polyethylene thermoplastic ... -
Static behavior of lattice structures produced via direct metal laser sintering technology
Crupi, Vincenzo; Kara, Emre; Epasto, Gabriella; Guglielmino, Eugenio; Aykul, Halil (Elsevier Ltd, 2017)The aim of this scientific work was the analysis of the micro lattice structures under uniaxial quasi-static compression loading with regard to the effect of unit cell size and strut diameter. A wide range of cubic lattice ...
