Güncel Gönderiler: Mühendislik Fakültesi
Toplam kayıt 2037, listelenen: 21-40
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Electrophoretic coating of hydroxyapatite-boron nitride nanocomposites on titanium implants
(Taylor and Francis Inc., 2015)Titanium (Ti) and its alloys have long been used as implant materials in dental and orthopedic applications. However, they can suffer certain disadvantages, such as poor osteoinductive properties and low corrosive-wear ... -
Effect of activators and calcination on luminescence properties of åkermanite type phosphors
(Scientific Publishers, 2015)Ákermanite type Ca2MgSi2O7 phosphors activated with different types of rare earths have been synthesized through a solid state reaction method under weak reducing atmosphere and/or open atmosphere. The phase properties of ... -
Gamma and neutron shielding behavior of spark plasma sintered boron carbide-tungsten based composites
(Minerals, Metals and Materials Society, 2016)In this study gamma and neutron attenuation properties of boron carbide-tungsten (B4C-W) based composites were investigated. B4C-W based composites were produced by spark plasma sintering (SPS) method. W additions were 5%, ... -
Effect of kaolin type on pyroplastic deformation of sanitaryware porcelain body [Kaolen türünün saglik gereçleri porselen bünyesinin piroplastik deformasyonu üzerine etkisi]
(Gazi Universitesi Muhendislik-Mimarlik, 2016)Pyroplastic deformation is one of the major problems of sanitaryware production, because of high temperature firing and high amount of glassy phase and this problem can be reduced by controlling of amount of glassy and ... -
Sintering of 94Na0.5Bi0.5TiO3-6BaTiO3 with SPS and conventional methods for crystal growth
(Hanyang University, 2016)In this study, lead-free 94Na0.5Bi0.5TiO3-6BaTiO3 (94NBT-6BT) piezoelectric ceramics and embedded single crystals in polycrystalline 94NBT-6BT matrix were sintered by conventional (CS) and spark plasma sintering (SPS) ... -
Characterizaton of vinlyester resin modified with BNNS filled PMMA electrospun nanofibers
(European Conference on Composite Materials, ECCM, 2016)Polymethylmethacrylate/Boron nitride nanosheets (PMMA/BNNSs) nanofibers were produced by conducting electrospinning. Various different processing parameters, including applied voltage, flow rate, molecular weight and ... -
Vibration aided vacuum infusion of bnns modified carbon Fabric/Epoxy composites
(International Committee on Composite Materials, 2017)Two-dimensional (2D) materials have aroused remarkable attention since the successful separation of graphene, atomic layers of carbon, has demonstrated novel electronic properties. Boron nitride (BN) is a structural analog ... -
Boron nitride nanosheet (BNNS) filled pmma nanofibers as filler for composites
(International Committee on Composite Materials, 2017)Polymethylmethacrylate/Boron nitride nanosheets (PMMA/BNNSs) nanofibers were produced by conducting electrospinning. Various different processing parameters, including applied voltage, flow rate, molecular weight and ... -
SERT HAMMADDE TANE BOYUTUNUN SAĞLIK GEREÇLERİ PORSELENİNİN FİZİKSEL ÖZELLİKLERİNE ETKİSİ
(2011)üretiminde kullanılan hammaddelerden kuvars kumu ve feldispat sert hammaddelerdir. Sert hammaddelerin tane boyut dağılımının seramik bünyelerin sinterlenme davranışını ve fiziksel ve mekanik özelliklerini etkilediği bi ... -
Effect of Ta buffer and NiFe seed layers on pulsed-DC magnetron sputtered Ir20Mn80/Co90Fe10 exchange bias
(2011)A systematic investigation has been done on the correlation between texture, grain size evolution and magnetic properties in Ta/Ni 81Fe19/Ir20Mn80/Co 90Fe10/Ta exchange bias in dependence of Ta buffer and NiFe seed layer ... -
Development of thermoacoustic imaging system: Preliminary experimental results [Termoakustik Görüntüleme Sisteminin Geliştirilmesi: İlk Deneysel Sonuçlar]
(Institute of Electrical and Electronics Engineers Inc., 2017)Mammography and ultrasound are commonly used techniques for detection and follow-up of breast cancer. Microwave induced thermoacoustic imaging is a new non-ionizing imaging modality that can facilitate early detection and ... -
Investigation of lead extraction process from galena concentrates by full factorial design
(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 ... -
Size evolution of nanomagnetic particles and magnetotransport properties of (Co 90Fe 10) 20Ag 80 nanogranular films: Influence of Cu 80Ag 15Au 5 underlayer
(2012)The influence of (Co 90Fe 10) 20Ag 80 film thickness and of Cu 80Ag 15Au 5 underlayer on nanomagnetic, magnetotransport and structural properties of (Co 90Fe 10) 20Ag 80 nanogranular films prepared by ultra-high vacuum ion ... -
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 ... -
Deposition potential dependence of composition, microstructure, and surface morphology of electrodeposited Ni-Cu alloy films
(Springer New York LLC, 2012)Composition, microstructure, and surface morphology of Ni-Cu alloy films electrodeposited at different deposition potentials have been investigated. The microstructural analysis carried out by using X-ray diffraction (XRD) ... -
Synthesis of fe-mn black pigments by using hematite waste and manganese ore mixtures
(2012)In this study, development of a new black pigment for colouring porcelain tiles by calcination of hematite waste and natural manganese ore mixtures were investigated as a way to produce cost-effective pigment. It was found ... -
Effects of production method and space holder material on microstructure of porous titanium
(European Powder Metallurgy Association (EPMA), 2012)The use of space holder particles is now a well-known and common method for production of porous titanium implants. It is possible to control porosity and pore structure by the use of a variety of spacer materials available. ... -
Fabrication of in situ Ni(W)-WC nano composites via mechanical alloying and spark plasma sintering
(2012)Microstructural and mechanical properties of spark plasma sintered Ni-30 wt% W powders fabricated via mechanical alloying (MA) for 48 h were reported in the present study. Due to the intensive WC contamination during MA, ... -
Fabrication and characterization of Ni-W solid solution alloys via mechanical alloying and pressureless sintering
(2012)Ni-W solid solution alloy powders and sintered compacts were fabricated via mechanically alloying and pressureless sintering of powder batches with the compositions of Ni-xW (x=20, 30, 40wt.%). The crystallite size of the ... -
Ferromagnetic resonance and X-ray reflectivity studies of pulsed DC magnetron sputtered NiFe/IrMn/CoFe exchange bias
(2012)Ferromagnetic resonance and X-ray specular reflectivity measurements were performed on Ni81Fe19/Ir20Mn80/ Co90Fe10 exchange bias trilayers, which were grown using the pulsed-DC magnetron sputtering technique on Si(100)/SiO2(1000 ...