Yazar "Suvacı, Ender" için listeleme
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Alkali niyobat piezoseramik tozların yüzey ve kolloid kimyasının incelenmesi
Özmen, Özcan (Anadolu Üniversitesi, 2011)Bu çalışmada kurşunsuz, çevreye dost alkali niyobat piezoseramik sistem grubundan potasyum niyobat (KNbO? - KN), sodyum niyobat (NaNbO? – NN) ve bu iki bileşenin x = 0,5 oranındaki morfotropik faz sınırına (MPB) sahip katı ... -
Alüminyum oksit partikül karakteristiklerinin süspansiyon özelliklerine etkisi
Özmen, Tayfun (Anadolu Üniversitesi, 2016)Bu tezde Türkiye'de üretimi olmayan düşük tane boyutlu yüksek saflıkta alümina (Al2O3) üretimi, üretilen alüminadan kararlı bir süspansiyon oluşturulması ve elde edilen kararlı alümina süspansiyonlarının parlatma ... -
Amorphous Films of Ternary Zinc and Tin Oxides for Transparent Electronics
Rembeza, S. I.; Belousov, S. A.; Kosheleva, N. N.; Rembeza, E. S.; Svistova, T. V.; Suvacı, Ender; Açıksarı, C. (Maik Nauka/Interperiodica/Springer, 2018)Amorphous films of two varieties of zinc stannate (ZnSnO3 and Zn2SnO4) have been considered that were fabricated by radio-frequency sputtering of ceramic compound targets containing ZnO and SnO2 in 1: 1 and 2: 1 ratios. ... -
Anisotropic mechanical and functional properties of graphene-based alumina matrix nanocomposites
Çelik, Yasemin; Çelik, A.; Flahaut, Emmanuel; Suvacı, Ender (Elsevier Sci LTD, 2016)Graphene platelets (GPLs) containing Al2O3 nanocomposites, which exhibit anisotropic microstructure, have been prepared by spark plasma sintering (SPS), and effects of this anisotropy on mechanical, electrical and thermal ... -
Anisotropic sintering shrinkage in alumina ceramics containing oriented platelets
Özer, I. Ozgür; Suvacı, Ender; Karademir, B.; Missiaen, J. M.; Carry, C. P.; Bouvard, D. (Wiley, 2006)The effect of oriented alpha-Al2O3 platelets on densification and shrinkage behavior of tape-cast alpha-Al2O3 during solid-state sintering was studied using dilatometric sintering shrinkage experiments and microstructural ... -
Antimicrobial activity of designed undoped and doped MicNo-ZnO particles
Demirel, Rasime; Suvacı, Ender; Şahin, İsmail; Dağ, Sevinc; Kılıç, Volkan (Elsevier Science BV, 2018)The research objective of the present study was to evaluate antimicrobial activity of ZnO powder systems in different size, shape and array platelet forms with undoped and doped Ag at different concentrations. In particular, ... -
Application of Homogeneously Precipitated Nanosized Fe-Doped Alumina Powders to Carbon Nanotube Growth
Çelik, Yasemin; Suvacı, Ender; Flahaut, Emmanuel; Weibel, Alicia; Peigney, Alain (Wiley, 2010)Homogeneous precipitation of hydroxides was investigated as an alternative method to synthesize Fe-doped aluminum oxide (alpha-Al2-2xFe2xO3) particles over which carbon nanotubes (CNTs) were grown via a catalytic chemical ... -
Bayer gibsiti ve alüminyum tuzlarından yüksek saflıkta alüminyum hidroksit ve alümina üretimi
Güldoğan, Yasemen (Anadolu Üniversitesi, 2014)Bu çalışmada, Bayer gibsiti (A1(OH)?) ve alüminyum tuzlarından (A1(NO?)?.9H?O, A1C1?.6H?O) çeşitli yöntemler ile yüksek saflıkta alümina üretimi için çalışmalar gerçekleştirilmiştir. Çalışmalarda, hidrotermal sentez, yanma ... -
Biocompatibility of designed MicNo-ZnO particles: Cytotoxicity, genotoxicity and phototoxicity in human skin keratinocyte cells
Genç, Hatice; Barutca, Banu; Koparal, Ayşe Tansu; Özogut, Uğurcan; Şahin, Yücel; Suvacı, Ender (Pergamon-Elsevier Science LTD, 2018)Recently, designed platelet shaped micron particles that are composed of nano primary particles, called MicNo (= Micron + naNo) particles, have been developed to exploit the benefits of nano size, while removing the adverse ... -
Chemical stability of KNbO3, NaNbO3, and K0.5Na0.5NbO3 in aqueous medium
Özmen, Özcan; Özsoy-Keskinbora, Çiğdem; Suvacı, Ender (Wiley, 2018)In recent years, potassium sodium niobate (K0.5Na0.5NbO3, KNN) has become popular and promising among perovskite lead-free piezoceramic systems. In this study, the chemical stability of KNN powders in aqueous medium was ... -
A comparative study on few-layer graphene production by exfoliation of different starting materials in a low boiling point solvent
Çelik, Yasemin; Flahaut, Emmanuel; Suvacı, Ender (Elsevier Science BV, 2017)Three different graphite-based powders (expandable graphite and two different nano-graphite powders) were investigated as starting materials for an effective liquid phase exfoliation process in isopropyl alcohol (IPA). The ... -
Computational analysis on cymbal transducer
Özgür, AE; Doğan, A; Suvacı, Ender; Newnham, RE (Taylor & Francis Inc, 2003)Finite Element Analysis in collaboration with experimental studies was conducted to investigate the effects of dimensional parameters on the performance of the cymbal transducer. ANSYS 5.5 FEM code was used for computational ... -
Critical factors in the templated grain growth of textured reaction-bonded alumina
Suvacı, Ender; Messing, GL (Wiley-Blackwell, 2000)The Templated Grain Growth (TGG) of Al2O3 occurs in three stages: densification, radial growth of individual template grains until template impingement, and template grain thickening. Significant template growth occurs ... -
Deaging of heat-treated iron-doped lead zirconate titanate ceramics
Granzow, T.; Suvacı, Ender; Kungl, H.; Hoffmann, M. J. (Amer Inst Physics, 2006)Doping strongly influences the properties of ferroelectric perovskite materials. One striking difference between donor- and acceptor-doped materials is the transition from "soft" to "hard" ferroelectric behavior. The ... -
Diopsit esaslı duvar karosu sır ve angoplarının geliştirilmesi
Yıldız, Betül (Anadolu Üniversitesi, 2010)Bu çalışmada opaklık; SiO2-CaO-MgO-B2O3-Na2O-K2O cam seramik sisteminde geliştirilen firitlerde diopsit kristalizasyonu ile sağlanmıştır. Tezin birinci bölümünde diopsit esaslı firitlerde yapılan kompozisyonal değişimlerin ... -
Dopant effects on sintering and microstructure development in zinc oxide-based electroceramics
Özdemir, N; Suvacı, Ender (Trans Tech Publications LTD, 2004)In this study, effects of dopants including Bi2O3, Ta2O5, Sb2O3 on sintering and microstructure development in ZnO-based electroceramics were investigated. Bi2O3 addition to ZnO enhances the densification process and results ... -
Effect of Precursor Type on Zinc Oxide Formation and Morphology Development during Hydrothermal Synthesis
Semiconducting metal oxide sensors have been widely studied due to their small dimensions, low cost and low power consumption. ZnO is a potential material for gas sensor applications because of its high piezoelectric ... -
Effects of TiO2, ZnO, and Fe3O4 nanofillers on rheological behavior, microstructure, and reaction kinetics of rigid polyurethane foams
Akkoyun, Meral; Suvacı, Ender (Wiley, 2016)Effects of different types and shapes of titanium dioxide, zinc oxide, and magnetite nanofillers on the rheological behavior of polyol/nanofiller suspensions, on the rigid polyurethane foam formation reaction, and hence ... -
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 ...
