Yazar "Ovecoglu, L" için Bildiri Koleksiyonu listeleme
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Application of syenite as a raw material and its effects on the physical characteristics of the ceramic structure of floor tile
Töre, I (Trans Tech Publications LTD, 2004)Syenite has been used as a fluxing agent in floor tile ceramic compositions. The raw material of syenite has an important role to the regulation of furnace performances, due to its lowering of the melting point and its ... -
Applications of calcium phosphate based antibacterial ceramics on sanitary and tile wares
Özgür, E; Bayrakci, F; Koparal, Ali Savaş; Doğan, A (Trans Tech Publications LTD, 2004)In this study, metal cation consisting calcium phosphate based antibacterial ceramic powders were synthesized with wet chemical technique. The developed antibacterial powder was added to the glaze composition of the ceramic ... -
Characterisation of dorylaion (Turkey) pottery sherds from Hittite period
Kara, Alpagut; Darga, M; Ay, Nuran; Ayaş, E; Sivas, Taciser; Sivas, Hülya (Trans Tech Publications LTD, 2004)In this study, representative samples were taken from eleven pottery sherds of Hittite period recovered during the archaeological excavations of different years in the ancient city Dorylaion, which is nowadays called as ... -
The characterization and the utilization of the waste clays from Gumuskoy silver mine in brick industry
göçmez, H; Ceylantekin, R; Yanık, G; Işık, I; Ediz, IG (Trans Tech Publications LTD, 2004)In this study, the main characteristics and technological properties of the waste clays from silver deposit located in the northern part of Kutahya (mid-south of Turkey) are presented. The clays were characterized by X-ray ... -
Chemical durability behaviour of bulk glasses in the Er-SiAlON system: Surface characterisation by SEM
Dolekcekic, E; Kaya, Güray; Karasu, Bekir; Pomeroy, MJ; Hampshire, S (Trans Tech Publications LTD, 2004)Er-SiAlON glasses were produced by melting appropriate powder mixtures under nitrogen at 1715 degreesC using a cation ratio composition of Er:Si:Al = 3.45:3:2 and with varying nitrogen contents (N= 5 to 22 equivalent %). ... -
The corrosion resistance of alumina-mullite-zircon refractories in molten glass
Aksel, Cemail; Riley, FL; Konieczny, F (Trans Tech Publications LTD, 2004)Corrosion measurements on a set of alumina-mullite-zircon refractories have been carried out using a static crucible test consisting of a "hole in a block". Rates of corrosion of the refractory at 1370 degreesC for 72 h ... -
Development of laminar type functionally graded SiAlON ceramics
Çalış, N; Kara, Alpagut; Kara, Ferhat; Mandal, Hasan (Trans Tech Publications LTD, 2004)In order to combine high hardness with high toughness, laminar type (two layers) functionally graded (FGM) SiAlON ceramics were developed. In a previous study achieved by the same authors, presence of a sharp transition ... -
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 ... -
Double layer glaze applications for the vitrifies glazes and surface properties
Sanitaryware glazes are of the raw type and have zirconium silicate as an opacifier. Glaze compounds affect glaze properties such as mechanical strength, surface proper-ties etc. In this study, glazes were prepared in order ... -
Effect of different nucleation temperatures on the microstructural development of alpha-SiAlON ceramics
Kuşhan, Seniz Reyhan; Mandal, Hasan (Trans Tech Publications LTD, 2004)alpha-SiAlON ceramics with elongated grains were previously observed in different studies. Sintering conditions are known to have a significant role on the microstructural development. By the nucleation treatment application ... -
The effect of metal coating on the strength of capacitor-discharge joining of oxide ceramics
Turan, Servet; Turan, Dilek; Bucklow, IA; Wallach, ER (Trans Tech Publications LTD, 2004)The Surfaces of alumina and zirconia tiles were sputter coated with various metallic films (Al, Ti, Al+Y and Nb) and were joined by a capacitor-discharge technique using either Al, Ti or Nb as interlayer materials. The ... -
Effects of Aydin Cine region's albite flotation wastes on the properties of floor tile bodies
Kaya, Gülay; Karasu, Bekir; Özdemir, M (Trans Tech Publications LTD, 2004)Within the scope of determining new possible application fields of waste materials albite flotation wastes, being ore treatment outcome, of Aydin Cine region of Turkey, where very rich feldspar deposits are available, have ... -
Effects of the red mud based pigment addition on the physical and micro-structural properties of porcelain tiles
Karasu, Bekir; Çakı, Münevver; Akgün, E; Kaya, Güray (Trans Tech Publications LTD, 2004)In the production of conventional porcelain tiles colouring agents, being either in the form of pure oxides or pigments, are commonly and widely used at considerably high amounts to increase the attraction impact of final ... -
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 ... -
Evaluation of a natural stone with fluxing capability in stoneware glazes
Karasu, Bekir; Kaya, Güray; Sevim, C; Orlansa, S (Trans Tech Publications LTD, 2004)New glaze systems have been continuously developed in order to supply certain advantages to ceramic bodies such as resistance against external thermal and mechanical forces and an aesthetic appearance as well as hygiene. ... -
Formation of alpha-SiAlON ceramics containing scandium
Kurama, Semra; Mandal, Hasan (Trans Tech Publications LTD, 2004)alpha-SiAlON is able to accommodate cations into its crystal structure if the cations are sufficiently small in size, thus helping to reduce the volume of the remnant grain boundary phase after processing. Lutetium with ... -
Fundamentals for optimization of binding for high refractory mullite products
Başpınar, M. Serhat; Schulle, W; Kara, Ferhat (Trans Tech Publications LTD, 2004)Properties of the binder matrix affect the quality of the refractory. Better qualities are possible if the binding is optimum. Mechanical properties, thermal shock resistance, creep and corrosion behaviour of the mullite ... -
Glass-ceramic glazes in the CaO-SiO2 system
Alptekin, K; Kara, Ferhat (Trans Tech Publications LTD, 2004)Glass ceramic glazes were developed in the system of CaO-SiO2 system. Compositions containing B2O3 and K2O as fluxing agent were melted at 1450degreesC and fritted. Glazes for porcelain tiles were formulated by using these ... -
The influence of fine alumina particles on the mechanical properties and thermal shock behaviour of slip-cast alumina-mullite refractories
Aksel, Cemail (Trans Tech Publications LTD, 2004)The object of this work is to improve understanding of relationships between microstructure and those mechanical properties likely to affect thermal shock behaviour of slip-cast alumina-mullite refractories. The incorporation ... -
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 ...