Kurum Yazarı "Doğan, Aydın" Malzeme Bilimi ve Mühendisliği Bölümü İçin Listeleme
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Design parameter investigation of industrial size ultrasound textile treatment bath
Perinçek, Seher; Özgür, A. Erman; Duran, Kerim; Doğan, Aydın; Korlu, Ayşegül E.; BahtiyArı, İbrahim M. (Elsevier Science BV, 2009)Design requirements for industrial size ultrasound bath for textile treatments have been determined. For this purpose, effects of sound pressure level, bath temperature, bath volume, textile material type and hydrophility ... -
Development of thermoacoustic imaging system: Preliminary experimental results [Termoakustik Görüntüleme Sisteminin Geliştirilmesi: İlk Deneysel Sonuçlar]
Kılınç, M. Sait; Samanci, Betül; Hacıhamzaoğlu, Ali T.; Yazgi, Metin; Paker, Selçuk; Doğan, Aydın; Karaman, Mustafa (Institute of Electrical and Electronics Engineers Inc., 2017)Mammography and ultrasound are commonly used techniques for detection and follow-up of breast cancer. Microwave induced thermoacoustic imaging is a new non-ionizing imaging modality that can facilitate early detection and ... -
Do Nano-crystalline Silver-Coated Hernia Grafts Reduce Infection?
Adıgüzel, Cem Oktay; Esen, Ebru; Aylaz, Gökçe; Yagız, Betül Keskinkilic; Kıyan, Mehmet; Doğan, Aydın; Ünal, Ali Ekrem (Springer, 2018)Purpose Inguinal hernia repairs are the most common interventions in adults in general surgery clinics. Depending on the type of mesh and repair, the incidence of mesh-related infection ranges from 0.6 to 8%. Methicillin-resistant ... -
Effect of the Powder Process Type on Dielectric and Leakage Current Characteristics of Flux Grown 94NBT-6BT Single Crystals
Gürbüz, Mevlüt; Doğan, Aydın (IEEE, 2014)In this study, 94NBT-6BT single crystals were grown by flux growth method using uncalcined and calcined 94NBT-6BT powder. Crystal structures and chemical composition of grown crystals were characterized by X-ray diffraction ... -
Electrophoretic deposition of nano-sized BaTiO3
Doğan, Aydın; Günkaya, Göktuğ; Suvacı, Ender; Niederberger, Markus (Springer, 2006)In this study, a non-aqueous method in a simple one pot reaction process was employed to synthesize nano-sized BaTiO3 particles and then electrophoretic deposition technique was employed for thin film coatings. In the first ... -
Electrophoretic deposition of nanocrystalline BaTiO3 in ethanol medium
Doğan, Aydın; Günkaya, Göktuğ; Suvacı, Ender; Niederberger, Markus (Trans Tech Publications LTD, 2006)Electrophoretic deposition technique is a versatile coating method. With this method not only flat surfaces but also curved or rough surfaces can be coated in various thicknesses. In this study, BaTiO3 nanocrystals were ... -
Electrophoretic deposition of ZnO
Doğan, Aydın; Suvacı, Ender; Günkaya, Göktuğ; Uzgur, Erman (Trans Tech Publications LTD, 2004)Electrophoretic phonemenon is applied in different parts of science. Electrophoretic Deposition (EPD) is effective, fast and controllable process for obtaining various thin or thick film layers. In this study application ... -
Electrophoretic deposition of ZnO thin film in aqueous media
Doğan, Aydın; Suvacı, Ender; Günkaya, Göktuğ; Uzgur, Erman (Springer, 2004)In thin films, controlled porous structures are desired for certain ceramic gas sensors. The aim of this study was to fabricate ZnO coated substrates starting with aqueous suspensions with electrophoretic deposition ... -
Energy Harvesting Potential of Lead Free NBT-BZT Piezoelectric Ceramics
Akyürekli, Ayşe Gül; Gürbüz, Mevlüt; Gül, Mert; Güleç, Hakan; Doğan, Aydın (IEEE, 2014)In this study, Zr doped NBT-BZT (94Na(0.5)Bi(0.5)TiO(3)-6BaZr(x)T(1-x)O(3)) (x=0.1) powder was synthesis with solid-state method. The sintering process was carried out at between 1035 to 1180 degrees C in air for 2h. The ... -
Energy Harvesting with Multilayer Piezoelectric Ceramics
Gül, Mert; Akyürekli, Ayşe Gül; Güleç, Hakan; Gürbüz, Mevlüt; Kurosaki, N.; Doğan, Aydın (IEEE, 2014)Energy harvesting from piezoelectric ceramic components can be achieved in three ways. These are impact induced, continues vibration induced, and decaying vibration induced. Defining the necessary characteristic of ... -
A flextensional piezo-composite structure for energy harvesting applications
Tüfekçioğlu, Emre; Doğan, Aydın (Elsevier Science Sa, 2014)A piezoelectric energy harvester (PEH) consisting of two cymbal electromechanical transducers and a cantilever beam structure designed and manufactured. The PEH under test is a novel design that aims to keep the transducers ... -
LPG sensing characteristics of electrospray deposited SnO2 nanoparticles
Gürbüz, Mevlüt; Günkaya, Göktuğ; Doğan, Aydın (Elsevier Science BV, 2014)In this study, SnO2 films were fabricated on conductive substrate such as aluminum and platinum coated alumina using electro-spray deposition (ESD) method for gas sensor applications. Solution flow rate, coating time, ... -
Materials for high performance cymbal transducers
Doğan, Aydın; Uzgur, Erman; Markley, DC; Meyer, RJ; Hladky-Hennion, AC; Newnham, RE (Springer, 2004)The effects of materials on the performance of the cymbal-type flextensional transducers were investigated under in-air and water-loaded conditions by finite element analysis (FEA) methods. At the initial stage, FEA and ... -
Optimizing mechanical quality factor of cymbal transducer
Doğan, Aydın; Uzgur, Erman; Yazıcı, ZO; Hladky-Hennion, AC (Taylor & Francis LTD, 2006)In general, high mechanical quality factor 'Q(m),' which is the indication of low loss, is a desired property for transducers. However, low Q(m) and wide bandwidth are desired properties for underwater transducer. Therefore, ... -
Piezoelectric actuator designs
Doğan, Aydın; Uzgur, Erman (Springer US, 2008)Piezoelectric actuators are getting immiscible parts of many important electromechanical and smart systems. Smart systems consist mainly of sensors, actuators, and signal processing units. Actuators are the responding units ... -
Preparation of nanosized tin oxide (SnO2) powder by homogeneous precipitation
Acarbaş, Özge; Suvacı, Ender; Doğan, Aydın (Elsevier Sci LTD, 2007)Synthesis of nanosized SnO2 ceramic particles via homogeneous precipitation was investigated as a function of processing parameters such as initial concentration and calcination temperature. Hydrous tin oxide was precipitated ... -
Pressure dependence of cymbal transducers
Uzgur, Erman; Markley, Douglas C.; Guo, Monica; Snyder, Benjamin; Meyer, Richard J., Jr.; Doğan, Aydın; Newnham, Robert E. (IEEE-Inst Electrical Electronics Engineers Inc, 2007)The hydrostatic pressure limit that a receiver can withstand without failure is of major importance in underwater sonar systems. In this paper, the hydrostatic pressure tolerance and sensitivity of cymbal receivers were ... -
Silver ion doped ceramic nano-powder coated nails prevent infection in open fractures: In vivo study
Köse, Nusret; Caylak, Remzi; Peksen, Ceren; Kiremitçi, Abdurrahman; Burukoğlu, Dilek; Koparal, Ali Savaş; Doğan, Aydın (Elsevier Sci LTD, 2016)Background: Despite improvement in operative techniques and antibiotic therapy, septic complications still occur in open fractures. We developed silver ion containing ceramic nano powder for implant coating to provide not ... -
A Silver Ion-doped Calcium Phosphate-based Ceramic Nanopowder-coated Prosthesis Increased Infection Resistance
Köse, Nusret; Otuzbir, Ali; Peksen, Ceren; Kiremitçi, Abdurrahman; Doğan, Aydın (Springer, 2013)Despite progress in surgical techniques, 1% to 2% of joint arthroplasties become complicated by infection. Coating implant surfaces with antimicrobial agents have been attempted to prevent initial bacterial adhesion to ... -
Sintering of 94Na(0.5)Bi(0.5)TiO(3)-6BaTiO(3) with SPS and conventional methods for crystal growth
Gürbüz, Mevlüt; Ayas, Erhan; Doğan, Aydın (Korean Assoc Crystal Growth, Inc, 2016)In this study, lead-free 94Na(0.5)Bi(0.5)TiO(3)-6BaTiO(3) (94NBT-6BT) piezoelectric ceramics and embedded single crystals in polycrystalline 94NBT-6BT matrix were sintered by conventional (CS) and spark plasma sintering ...