Güncel Gönderiler: Fakülteler
Toplam kayıt 10075, listelenen: 1121-1140
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Effect of Processing Parameters on Compressive Behavior of Ti Foams
(Destech Publications, Inc, 2008)Among metal foams, titanium (Ti) and its alloys are very attractive since they combine unique properties such as high strength-to-weight ratio, excellent corrosion resistance and biocompatibility. This study presents a ... -
Mechanical characterization of highly porous beta-Si3N4 ceramics fabricated via partial sintering & starch addition
(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- ... -
Thermal properties of pressureless melt infiltrated AlN-Si-Al composites
(Elsevier Science BV, 2013)Thermal properties of AlN-Si-Al composites produced by pressureless melt infiltration of Al/Al alloys into porous alpha-Si3N4 preforms were investigated in a temperature range of 50-300 degrees C. SEM and TEM investigations ... -
Roles of CaO, MgO and SiO2 on crystallization and microstructure development in diopside-based glass-ceramic glazes under industrial fast-firing condition
(Australian Ceramic Society, 2017)The research objective of the study was to increase the current understanding about how oxide compositions (CaO, MgO and SiO2 ratios) influence the (1) crystallization behaviour of starting frits, and subsequently (2) ... -
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 ... -
Synchrotron texture analysis of thick BiFeO3-PbTiO3 layers synthesised by tape casting using Aurivillius and non-Aurivillius templates
(IEEE, 2012)The solid solution between bismuth ferrite and lead titanate (xBiFeO(3)-(1-x)PbTiO3 or BFPT) possesses a morphotropic phase boundary (MPB) between the rhombohedral and tetragonal forms at x=0.7. It is of interest to ... -
Electric-field-induced phase switching in textured Ba-doped bismuth ferrite lead titanate
(IEEE, 2013)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 ... -
A flextensional piezo-composite structure for energy harvesting applications
(Elsevier Science Sa, 2014)A piezoelectric energy harvester (PEH) consisting of two cymbal electromechanical transducers and a cantilever beam structure designed and manufactured. The PEH under test is a novel design that aims to keep the transducers ... -
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 ...
