Browsing by Author "Uzunsoy, Deniz"
Now showing items 1-19 of 19
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Alüminyum alaşımları ve ileri yüksek mukavemetli çelik kullanılarak yan kapı kirişinin modellenmesi, analizi ve çarpışma performansının tespiti
Kurt, Zeynep Begüm (Bursa Teknik Üniversitesi, 2019)Ön çarpışmalardan sonra trafik kazalarında yan darbe çarpışmaları, ölüm ve yaralanmalara sebep olan ikinci en önemli etkendir. Darbe enerjisini absorbe etmek ve yolcu bölümüne kapı girişinin derinliğini azaltmak için ... -
Boron and nitrogen doping in graphene: an experimental and density functional theory (DFT) study
Kaykılarlı, Cantekin; Uzunsoy, Deniz; Şam Parmak, Ebru Devrim; Fellah, Mehmet Ferdi; Çakır, Özgen Çolak (IOP Publishing, 2020)Boron (B) and Nitrogen (N) doped few layer graphene (BNG) is directly synthesized via electric arc discharge (EAD) method. NH3 and BCl3 gas mixtures are used in the synthesis atmosphere. Raman spectroscopy is used to ... -
A comparison and identification study of dry sliding wear behaviour of Al/B4CP and Mg/B4CP composites for automobile disk brakes
Isin, O.; Istif, I.; Uzunsoy, Deniz; Guleryuz, F. (SAE International, 2014)The brake friction materials in an automotive brake system play an important role in the overall braking performance of a vehicle. Metal Matrix Composites (MMCs) have been widely investigated and applied due to their ... -
Comparison of fatigue crack growth rate of selective laser sintered Rapid Steel via computational fracture mechanics
Okyar, Ali Fethi; Uzunsoy, Deniz; Qzsoy, Burak (Carl Hanser Verlag, 2014)The fatigue-crack growth behavior of materials manufactured by means of selective laser sintering was studied. In the process, specimens were prepared from metal powders (316 steel) into the desired shape by additive ... -
Development of High Purity, Few-Layer Graphene Synthesis by Electric Arc Discharge Technique
Çotul, Uğur; Şam Parmak, Ebru Devrim; Kaykilarli, C.; Saray, O.; Colak, O.; Uzunsoy, Deniz (Polish Acad Sciences Inst Physics, 2018)In this study, high purity graphene nanoflakes (GNF) were synthesized by electric arc discharge technique. The arc discharge method is more advantageous than other graphene synthesis methods for producing cheap and ... -
Experimental investigation of oligo cyclic compression behavior of pure epoxy and graphene-epoxy nanocomposites
Colak, Ozgen U.; Uzunsoy, Deniz; Bahlouli, Nadia; Francart, Charles (Springer, 2020)The loading-unloading compression behavior and the oligo cyclic behavior of pure epoxy and graphene-epoxy nanocomposites are investigated since the systematic evaluation of the mechanical behavior under cyclic loading is ... -
GaN/InGaN tabanlı LED çip fabrikasyonu ve karakterizasyonu
Genç, Muhammet Sıddıyk (Bursa Teknik Üniversitesi, 2018)Bu çalışmada, InGaN/GaN çoklu kuantum kuyu tabanlı mavi Işık Saçan Diyot'ların (LED) c-düzlemli safir alttaş üzerinde başarılı bir şekilde fabrikasyonu yapılmış ve karakterize edilmiştir. Mavi dalgaboyu'nda ışık saçan LED ... -
Grafen takviyeli nanokompozit malzemelerin üretimi ve karakterizasyonu
Öztürk, Özberk; Çolak Çakır, Özgen Ümit (Bursa Teknik Üniversitesi, Lisansüstü Eğitim Enstitüsü, 2021)Kompozit malzemeler, iki veya daha fazla malzemenin sistematik bir şekilde birleşmesi ile tasarlanan malzeme grubudur. Polimer sistemler ise, üretimi kolay, hafif, uzun ömürlü, kısmen sünek doğası nedeniyle oldukça kullanılan ... -
High strain rate behavior of graphene-epoxy nanocomposites
Colak, Ozgen U.; Bahlouli, Nadia; Uzunsoy, Deniz; Francart, Charles (Elsevier Sci Ltd, 2020)This work consists of the synthesis of high purity graphene nanoflakes (GNF), the manufacturing of GNF-epoxy nanocomposites and the mechanical characterization of the nanocomposite at high and quasi static strain rates, ... -
Investigation of Mechanical Properties of Graphene and Reduced Graphene Oxide Reinforced Epoxy Matrix Composites
Topal, Emre; Şam Parmak, Ebru Devrim; Uzunsoy, Deniz; Cakir, O. Colak (Amer Soc Testing Materials, 2016)Graphene has generated great excitement in the scientific community due its unique mechanical and electronic properties, and also the availability of bulk quantities of graphene as both colloidal dispersion and powder. ... -
Investigation of microstructural, mechanical and corrosion properties of graphene nanoplatelets reinforced Al matrix composites
Akçamlı, Nazlı; Küçükelyas, Burak; Kaykilarli, Cantekin; Uzunsoy, Deniz (Iop Publishing Ltd, 2019)Graphene nanoplatelets (GNP) were utilized as reinforcement for Al matrix with the aim of exploiting its extremely high mechanical properties. GNP reinforced composites were prepared via powder metallurgical processing ... -
Investigation of Wear Behavior of Aluminum Alloy Reinforced with Carbon Nanotubes
Uzunsoy, Deniz; Peng, T.; Chang, I.; Istif, I. (2014)The material demands for advanced technologies have led to development of new generation, light-weight, and multi-functional materials. Aluminum matrix composites (AMCs) have captured considerable attention in aviation, ... -
Prediction of wear behavior of aluminum alloy reinforced with carbon nanotubes using nonlinear identification
Istif, I.; Isin, O.; Uzunsoy, Deniz; Peng, T.; Chang, I. (SAE International, 2014)Aluminum metal matrix composites reinforced with particulates have attracted much attention in the automotive industry, due to their improved wear resistance in comparison to aluminum alloys, in recent years. The wear ... -
Processing and characterization of graphene nano-platelet (GNP) reinforced aluminum matrix composites
Akçamlı, Nazlı; Gokce, Hasan; Uzunsoy, Deniz (Carl Hanser Verlag, 2016)Aluminum matrix composites containing graphene nanoplatelets (GNPs) as reinforcement additive were fabricated by a two-step process consisting of mechanical alloying and pressureless sintering. The effects of graphene ... -
Seçici lazer sinterleme yöntemi ile katmanlı olarak üretilmiş termoplastik ve kompozit malzemelerin bilgisayar destekli analizi için malzeme modelinin oluşturulması
Bayram, Alperen (Bursa Teknik Üniversitesi, 2019)Katmanlı İmalat yöntemlerinden biri olan SLS yöntemi ile farklı oryantasyonlarda üretilmiş termoplastik ve kompozit malzemelerin test edilmesi ve teste tabi tutulan numunenlerin üretim tablası üzerindeki konumuna göre ... -
Structural characterization of graphene nanostructures produced via arc discharge method
Borand, Gökce; Akçamlı, Nazlı; Uzunsoy, Deniz (Elsevier Sci Ltd, 2021)Few-layered graphene (FLG) was produced via substrate-free direct current arc discharge between pure graphite electrodes in an originally designed reactor chamber. Previously, parameters influencing the synthesis condition ... -
Suggestion of an Indicator to Evaluate Material Deposition in Resistance Spot Welding: Weld-Surface Interaction Index
Kinagu, Hasan Melih; Gokcedaglioglu, Mehmet; Ates, Fatih; Küçükelyas, Burak; Mutlu, Mustafa; Uzunsoy, Deniz (Springer, 2018)Resistance spot welding (RSW) is still leading joining process in the automotive industry due to the simplicity and speed of the process. On the other hand, galvanized steel sheets provide improvement in corrosion resistance ... -
Synthesis and characterization of graphene-epoxy nanocomposites
Acar, A.; Çolak, O.U.; Uzunsoy, Deniz (Carl Hanser Verlag, 2015)Graphene, a monolayer of carbon atoms arranged in a two dimensional lattice, has attracted great attention in recent years due to its extra ordinary properties and potential applications. One obvious application of graphene ... -
Yüksek saflıkta birkaç tabakalı grafenin elektrik ark yöntemiyle sentezlenmesi ve karakterizasyonu
Çotul, Uğur (Bursa Teknik Üniversitesi, 2017)Bu çalışmada, elektrik ark oluşturma (E.A.O.) yöntemi ile saflığı yüksek birkaç tabakalı grafenin üretimi gerçekleştirilmiştir. E.A.O. yönteminin diğer yöntemlere kıyasla; daha az kusura sahip ve kaliteli grafen üretimine ...
