Güncel Gönderiler: Mühendislik Fakültesi
Toplam kayıt 2037, listelenen: 241-260
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Microstructure-permeability relation of porous beta-Si3N4 ceramics
(Elsevier Sci LTD, 2013)Porous beta-Si3N4 ceramics with two distinct structures were produced by using two different Si3N4 sources to investigate the relationship between microstructure and permeability. Results showed that regardless of pore ... -
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. ... -
Textured PMN-PT and PMN-PZT
(Blackwell Publishing, 2008)A promising way to improve the performance of piezoelectric ceramics is grain orientation by templated grain growth. In this work lead-based piezoelectric ceramics Pb(Mg1/3Nb2/3)(0.68)Ti0.32O3 (PMN-32PT) and Pb(Mg1/3Nb2/ ... -
Texture analysis of thick bismuth ferrite lead titanate layers
(IEEE, 2014)The template grain growth technique was used to synthesis textured 60BiFeO(3)-PbTiO3 (60:40BFPT) by using platelets of BaTiO3 as template. Synchrotron measurement clearly showed textured 60:40BFPT. Moreover, in situ high ... -
Role of organic additives on non-aqueous tape casting of SiAlON ceramics
(Elsevier Sci LTD, 2011)Suspensions consisting of precursor alpha/beta SiAlON forming powders azeotropic solvent mixture of 60 MEK/40E dispersant binder, and plasticizer were optimized for tape casting by theological measurements and tape properties ... -
The role of viscosity on microstructure development and stain resistance in porcelain stoneware tiles
(Elsevier Sci LTD, 2010)Effect of composition on viscosity of porcelain stoneware tiles and role of the viscosity on microstructure development and stain resistance in porcelain stoneware tiles were investigated. The viscosity of the tiles was ... -
Single Crystal Growth and Texturing of Lead-Based Piezoelectric Ceramics Via Templated Grain Growth Process
(World Scientific Publ Co Pte LTD, 2008)In the field of high-performance piezoelectric materials, PMN-PT single crystals and textured ceramics have been attracting increased research interest for several years. On the other hand, the growth of single crystals ... -
Single crystal growth in PMN-PT and PMN-PZT
(Springer, 2009)Single crystal growth of lead-based piezoelectric ceramics Pb(Mg(1/3)Nb(2/3))(0.68)Ti(0.32)O(3) (PMN-32PT) and Pb(Mg(1/3)Nb(2/3))(0.42)(Ti(0.638)Zr(0.362))(0.58)O(3) (PMN-37PT-21PZ) ceramics via templated grain growth (TGG) ... -
Organized growth of carbon nanotubes on Fe-doped alumina ceramic substrates
(Pergamon-Elsevier Science LTD, 2012)Polycrystalline Fe-doped alumina (Al2O3) ceramics have been produced and used as a substrate for organized carbon nanotubes (CNTs) growth by catalytic chemical vapor deposition (CCVD). In these substrates, Fe3+ cations, ... -
Cure kinetics of vapor grown carbon nanofiber (VGCNF) modified epoxy resin suspensions and fracture toughness of their resulting nanocomposites
(Elsevier Science Sa, 2009)In this study, the cure kinetics of Cycom 977-20. an aerospace grade toughened epoxy resin, and its suspensions containing various amounts (1, 3 and 5 wt.%) of vapor grown carbon nanofibers (VGCNFs) with and without chemical ... -
Silanization of boron nitride nanosheets (BNNSs) through microfluidization and their use for producing thermally conductive and electrically insulating polymer nanocomposites
(Academic Press Inc Elsevier Science, 2017)Chemical exfoliation of boron nitride nanosheets (BNNSs) from large flakes of specially synthesized micro-sized hexagonal boron nitride (h-BN) ceramics was carried out through microfluidization. The surface of BNNSs obtained ... -
Creep and recovery behaviors of chemically induced grafted low density polyethylene films containing silanized hexagonal boron nitride nanosheets
(Amer Scientific Publishers, 2018)Few layers boron nitride nanosheets (BNNSs) were derived from precursors of specially synthesized micro-sized hexagonal boron nitrides (h-BNs) of large flakes through microfluidization. They were then considered promising ... -
Tensile mechanical behavior and fracture toughness of MWCNT and DWCNT modified vinyl-ester/polyester hybrid nanocomposites produced by 3-roll milling
(Elsevier Science Sa, 2009)This study aims to investigate the tensile mechanical behavior and fracture toughness of vinyl-ester/polyester hybrid nanocomposites containing various types of nanofillers, including multi- and double-walled carbon nanotubes ... -
Nanoscopic characterization of two-dimensional (2D) boron nitride nanosheets (BNNSs) produced by microfluidization
(Elsevier Sci LTD, 2012)A microfluidizer high pressure fluid processor is successfully conducted for the first time to exfoliate few layer two dimensional (2D) boron nitride nanosheets (BNNSs) from micro-sized hexagonal boron nitride (h-BN) ... -
Rapid Pyrolysis of Olive Residue. 2. Effect of Catalytic Upgrading of Pyrolysis Vapors in a Two-Stage Fixed-Bed Reactor
(American Chemical Society, 2009)The upgrading of the rapid pyrolysis vapors was performed using various catalysts (clinoptilolite (a natural zeolite, NZ), ZSM-5, H-Y) with catalyst/feed ratios of 0.05, 0.1, 0.15, 0.20, and 0.25 in the catalyst bed ... -
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 ... -
Developments on the mechanical properties of MgO-MgAl2O4 composite refractories by ZrSiO4-3 mol% Y2O3 addition
(Elsevier Sci LTD, 2012)Improvements and the effects of additions of ZrSiO4-3 mol% Y2O3 into MgO-MgAl2O4 composite refractories on mechanical properties and thermal stress resistance parameters were investigated. Significant improvements were ... -
Thermal Curing Behavior of MWCNT Modified Vinyl Ester-Polyester Resin Suspensions Prepared with 3-Roll Milling Technique
(Wiley, 2009)This study aims to investigate the curing behavior of a vinyl ester-polyester resin suspensions containing 0.3 wt % of multiwalled carbon nanotubes with and without amine functional groups (MWCNTs and MWCNT-NH2). For this ... -
Polarized emission from CsPbBr3 nanowire embedded-electrospun PU fibers
(IOP Publishing LTD, 2018)Interest in all-inorganic halide perovskites has been increasing dramatically due to their high quantum yield, band gap tunability, and ease of fabrication in compositional and geometric diversity. In this study, we ... -
Antimicrobial activity of designed undoped and doped MicNo-ZnO particles
(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, ...
