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Toplam kayıt 286, listelenen: 12-31
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Carbon nanotube/boehmite-derived alumina ceramics obtained by hydrothermal synthesis and spark plasma sintering (SPS)
(Elsevier Sci LTD, 2010)Preparation, structure and properties of hydrothermally treated carbon nanotube/boehmite (CNT/gamma-AlOOH) and densification with spark plasma sintering of Al2O3 and CNT/Al2O3 nanocomposites were investigated. Hydrothermal ... -
Carbothermic reduction synthesis of calcium hexaboride using PVA-calcium hexaborate mixed gels
(Elsevier Sci LTD, 2018)In this study, PVA-CaB6O10.5H2O precursor mixtures were prepared by coating the ceramic powders with PVA to synthesize CaB6 via carbothermal reduction. Boron loss, the main problem in the synthesis of borides, was reduced ... -
Catalytic Applications of Large Pore Sulfonic Acid-Functionalized SBA-15 Mesoporous Silica for Esterification
(De Gruyter Poland Sp Zoo, 2018)We report the preparation of pore expanded and sulfonic acid functionalized mesoporous silica catalysts by using different kinds of swelling agents such as 1,3,5-trimethyl benzene (TMB), n-decane (D), n-tridecane (TD), and ... -
Catalytic pyrolysis of biomass in inert and steam atmospheres
(Elsevier Sci LTD, 2008)The objective of this study was to investigate thermal conversion of a perennial shrub, Euphorbia rigida biomass sample with catalyst in inert (N-2) and steam atmospheres. Experimental studies were conducted in a well swept ... -
Catalytic pyrolysis of biomass: Effects of pyrolysis temperature, sweeping gas flow rate and MgO catalyst
(Pergamon-Elsevier Science LTD, 2010)Cotton seed, as a biomass source, is pyrolysed in a tubular fixed-bed reactor under various sweeping gas (N(2)) flow rates at different pyrolysis temperatures. In the non-catalytic work, the maximum bio-oil yield was ... -
Characterization of diopside-based glass-ceramic porcelain tile glazes containing borax solid wastes
(Korean Assoc Crystal Growth, Inc, 2011)In recent years glass-ceramic systems became industrially important for their high softening point, good coating capability for relevant substrates and high chemical and abrasion resistance. The ZrO2-CaO-MgO-SiO2 (ZrCMS) ... -
Characterization of Hellenistic Period Megarian Bowls From Dorylaion
(Inst Chemical Technology, Dept Glass Ceramics, 2011)The excavation works being carried out since 1989 at Dorylaion (Eskisehir/Turkey) results in many findings belonging to different civilizations spanning from the First Bronze age to Ottoman period. One of the important ... -
Characterization of lead glazed potteries from Smyrna (Izmir/Turkey) using multiple analytical techniques; Part I: Glaze and engobe
(Elsevier Sci LTD, 2014)Eighteen lead glazed potsherds from the Ayasuluk region (Smyrna) were characterized in order to have detailed knowledge of their production technology. Micro-Raman and scanning electron microscopy (SEM) with the combination ... -
Characterization of lead glazed potteries from Smyrna (Izmir/Turkey) using multiple analytical techniques; Part II: Body
(Elsevier Sci LTD, 2014)Lead glazed pottery was one of the most important ceramic ware groups for the Late Hellenistic, Roman, Byzantine and Ottoman cultures in Anatolia. They were produced in different places in Anatolia such as Tarsus, Iznik, ... -
Characterization of mechanical properties of porcelain tile using ultrasonics
(2012)Ultrasound affords a very useful and versatile non-destructive method, using a large application area, for evaluating the microstructure and mechanical properties of materials. In this study, porcelain tiles were sintered ... -
Characterization of microstructural and morphological properties in as-deposited Ta/NiFe/IrMn/CoFe/Ta multilayer system
(Chinese Society of Metals, 2014)Surface morphology and its relationship with microstructure in Ta/NiFe/IrMn/CoFe/Ta multilayer system deposited by pulsed DC magnetron sputtering have been investigated in dependence of Ta buffer and NiFe seed layer ... -
Characterization of Ni-W solid solution alloy powders and sintered compacts synthesized via mechanically activated hydrogen reduction of NiO-WO3 mixtures
(2013)Blended nickel oxide - tungsten oxide powders corresponding to the compositions of 70 wt% nickel - 30 wt% tungsten were mechanically alloyed (MA'd) for different durations such as 0 h, 6 h, 12 h and 24 h and reduced/alloyed ... -
Characterization of porosity and defect imaging in ceramic tile using ultrasonic inspections
(Elsevier Sci LTD, 2012)In this study, three different ultrasonic nondestructive methods (NDT) used to characterize porosity and identify defects in ceramic materials were employed as alternative approaches to conventional systems. A contact ... -
Characterization of pottery from Republic of Macedonia. III. A study of comparative mineralogical detection efficiency using micro-Raman mapping and X-ray diffraction
(Wiley-Blackwell, 2012)Point-to-point micro-Raman and X-ray diffraction (XRD) techniques were employed for characterization of minerals present in the pottery body of 27 glazed Byzantine and Ottoman pottery shreds, excavated at two different ... -
Characterization of Thermochromic Pigments as Coating Materials
(2018)In this study, thermochromic coatings were produced using thermochromic pigment and polyvinylpyrrolidone (PVP). It is aimed to develop innovative materials that will reduce external dependence, increase international ... -
Characterization of thick bismuth ferrite-lead titanate films processed by tape casting and templated grain growth
(Elsevier Sci LTD, 2015)The templated grain growth technique was used to synthesise textured 60BiFeO(3)-40PbTiO(3) (60:40BFPT). Both Aurivillius (Bi4Ti3O12, PbBi4Ti4O15) and perovskite templates (BaTiO3, SrTiO3) were used to prepare 60:40BFPT. ... -
Characterization of underclays from Agacli-Kemerburgaz region of Istanbul/Turkey and their evaluation for porcelain tile production
(Techna Srl, 2011)gacli-Kemerburgaz area, NW of Istanbul, is one of the most important underclay deposits of Turkey This area is composed of Paleozoic sedimentary sequence, Upper Cretaceous volcanic rocks, Neogene sediments and Quaternary ... -
Characterization of underclays from Agaçli-Kemerburgaz region of Istanbul/Turkey and their evaluation for porcelain tile production
(2011)Agacli-Kemerburgaz area, NW of Istanbul, is one of the most important underclay deposits of Turkey. This area is composed of Paleozoic sedimentary sequence, Upper Cretaceous volcanic rocks, Neogene sediments and Quaternary ... -
Chemical stability of KNbO3, NaNbO3, and K0.5Na0.5NbO3 in aqueous medium
(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 ... -
Chemical, morphological, and kinetic study of lead extraction from the Koni Mansur polymetallic deposit
(Elsevier Science BV, 2019)Located in the north of Tajikistan, the Koni Mansur is a rich polymetallic deposit that besides other metals has high concentration of lead-containing mineral galena. The hydro metallurgical extraction of lead from the ...
