Yazar "Anadolu Üniversitesi, Mühendislik Fakültesi, Malzeme Bilimi ve Mühendisliği Bölümü" için Bildiri Koleksiyonu listeleme
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Interactions between a bismuth type leadless glaze and a bone China body during glost firing
Kara, Alpagut; Stevens, R (Trans Tech Publications LTD, 2004)In the present study, the interactions between a high bismuth type commercial transparent leadless glaze and a biscuit fired bone china body during glost firing at different temperatures were investigated using SEM. The ... -
Interactions Between AlN and SiAlON Ceramics
Kalemtaş, Ayşe; Acikbas, N. Çalış; Kara, Ferhat; Mandal, Hasan; Krnel, K.; Kosmac, T. (Trans Tech Publications LTD, 2009)In the present study, interactions between AlN and SiAlON laminated couples were investigated after gas pressure (GPS) and spark plasma sintering (SPS) by scanning electron microscopy (SEM) and energy dispersive x-ray ... -
An investigation into bloating behaviour of bone China body during biscuit firing
Kara, Alpagut (Trans Tech Publications LTD, 2004)Amongst many studies on the textural, mineralogical and physical changes during biscuit firing of whiteware bodies, this paper attempts to investigate the bloating behaviour of a commercial bone china body during biscuit ... -
Investigation of borax waste behaviour in tile production
Kurama, Semra; Kara, Alpagut; Kurama, H. (Elsevier Sci LTD, 2007)Although there are various studies published in the relevant literature on the use of borates in tile production, borax waste has been mainly used in place of feldspar and the results showed that borate migration to the ... -
Investigation of lead extraction process from galena concentrates by full factorial design
Ay, Nuran; Nasymov, G. (Korza Matbaacilik, 2011)Nowadays the use of environment-friendly processes is gaining an increasing importance in metallurgy. Environmental regulations are continuously making it difficult to produce lead from galena concentrates by pyrometallurgical ... -
Investigation of parameters affecting formation of mullite from kaolin
Aksel, Cemail; Kalemtaş, Ayşe (Trans Tech Publications LTD, 2004)This study aims to improve the understanding of formation of mullite from kaolin at low process temperature using different sintering regimes. The optimum parameters affecting mullite formation from kaolin such as sintering ... -
Investigation of PM parameters' effect on architecture of titanium foams using X-ray microtomography
Tuncer, N.; Maire, E.; Salvo, L.; Arslan, Gökhan (European Powder Metallurgy Association (EPMA), 2010)Titanium foams have been of interest in dental and orthopedic implants over the past few decades on account of their excellent mechanical properties, chemical stability, and biocompatibility. In this study, titanium foams ... -
Investigation of sanitaryware scrap behaviour in terracotta bodies
Kara, Alpagut; Işık, I; Uz, V; Sayarer, G (Trans Tech Publications LTD, 2004)In this paper, an investigation into a potential use of unfired body scrap from a local sanitaryware manufacturer in commercial terracotta production was presented. Experiments were achieved under laboratory conditions by ... -
Investigation of the Improvements on Mechanical Properties and Thermal Performance of MgO-MgAl2O4 Composite Refractories by Additions of ZnO-Al2O3 to MgO
Aksel, Cemail (Trans Tech Publications LTD, 2012)The variations and developments with the reasons on the mechanical properties of MgO-MgAl2O4 and MgO-ZnO-Al2O3 composite refractories were examined and thermal parameters affecting the durability of composites at high ... -
Investigation of the influence of initial powder size on the optical properties of Dy-alpha-SiAlON ceramics fabricated by gas pressure sintering
Avcıoğlu, Suna; Kurama, Semra (Elsevier Sci LTD, 2017)Translucent Dy3+ doped alpha-SiAlON ceramics were successfully fabricated by the gas pressure sintering (GPS) method. The efficacy of this sintering technique also the affects initial particle size on densification, final ... -
Joining of SiAlON ceramics to pyrex glass
Kalemtaş, Ayşe; Kara, Alpagut; Kara, Ferhat; Mandal, Hasan; Aktug, B (Belgian Ceramic Society, 2004)In the present study, pressureless joining of gas pressure sintered (alpha-beta)-SiAlON ceramics to pyrex glass was investigated. Preoxidized SiAlON ceramics were used to enhance wettability and provide chemical compatibility ... -
Lanthanum titanate (La2Ti2O7) as an interphase material in alumina (Al2O3) based composites
Ceylan, Ali; Fuierer, PA (Trans Tech Publications LTD, 2004)The aim of this research is to fabricate and characterize alumina (Al2O3) / lanthanum titanate (La2Ti2O7) laminate ceramic composites. The interfacial bond between oxide laminates has a critical effect on the final mechanical ... -
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, ... -
Magnetic Mesoporous Silica Nanocomposite for Biodiesel Production
Erdem, S.; Öksüzoğlu, Ramis Mustafa; Avşar, S. B.; Erdem, Beyhan (Polish Acad Sciences Inst Physics, 2017)Ordered mesoporous silicas can be utilized as support because of having large surface area, tunable porosity, uniform pore size distribution, high thermal stability and modifiable properties. However, these materials ... -
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 ... -
Mechanical characterization of highly porous beta-Si3N4 ceramics fabricated via partial sintering & starch addition
Kalemtaş, Ayşe; TopAteş, Gülsüm; özcoban, Hüseyin; Mandal, Hasan; Kara, Ferhat; Janssen, Rolf (Elsevier Sci LTD, 2013)In this study, porous beta-Si3N4 ceramics containing limited amount of Sm2O3 and CaO as sintering aids were produced by addition of potato starch (10 and 20 vol.%) and partial sintering. Two different Si3N4 powders, alpha- ... -
Mechanical properties and thermal shock behaviour of model MgO-MgAl 2O4 spinel composite refractories
Aksel, Cemail; Riley, F. L.; Warren, P. D.; Rand, B. (2006)The effects of varying the amounts (5 to 30 wt%) and particle sizes of magnesium aluminate spinel (i.e. preformed and in-situ formed) incorporated in a fully dense MgO, were investigated. Mechanical properties were measured ... -
Mechanical properties of alumina-mullite-zircon refractories
Aksel, Cemail (Trans Tech Publications LTD, 2004)The relationships between mechanical properties and microstructure of alumina-mullite-zircon refractories were investigated by varying zircon content. Various sintering temperatures were used for the slip-cast refractories ... -
Mg+2 and Ce+3 doped ?-SiAlON ceramics
Kurama, Semra; Mandal, Hasan (2004)In the present work, stabilization of MgO and CeO2 in ?-SiAlON structure is studied. Mg and CeO2 were used in 50:50 molar ratios as additives. The mixture was sintered at 1830°C for 1 hour in gas pressure sintering furnace ... -
Mg+2 and Ce+3 doped alpha-SiAlON ceramics
Kurama, Semra; Mandal, Hasan (Trans Tech Publications LTD, 2004)In the present work, stabilization of MgO and CeO2 in alpha-SiAlON structure is studied. Mg and CeO2 were used in 50:50 molar ratios as additives. The mixture was sintered at 1830degreesC for 1 hour in gas pressure sintering ...