Başlık için Malzeme Bilimi ve Teknolojileri listeleme
Toplam kayıt 71, listelenen: 22-41
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Estimation of yttrium oxide microstructural parameters using the Williamson-Hall analysis
(Taylor & Francis Ltd, 2018)Yttrium oxide (Y2O3) particles were synthesised from a yttrium nitrate solution via ultrasonic spray pyrolysis (USP) method. The effects of temperature and precursor concentration on morphology and microstructural parameters ... -
Eş kanallı açısal pres (EKAP) yöntemi ile şekillendirilmiş Ti-6Al-4V alaşımının mekanik özellikleri ve makroskobik deformasyon davranışı arasındaki ilişki
(2020)Bu çalışmada, Ti-6Al-4V alaşımının kaba taneli ve eşit kanallı açısal presleme (EKAP) ile üretilen ultra ince taneli durumda, quasi-statik tek eksenli çekme yüklemesi altında (yaklaşık 10-3 s-1 deformasyon hızı ile) ... -
Fabrication and characterization of Yb-doped Y2O3 powders and thin films
(Carl Hanser Verlag, 2020)Yttrium oxide (Y2O3) and ytterbium (Yb)-doped Y2O3 particles were synthesized via the sol-gel method from the aqueous solution of their nitrate salts. The synthesized powders were then deposited on Corning glass substrates ... -
From superhydrophilic to superhydrophobic: tunable wetting of polymer surfaces through the use of fumed silica
(2016)A simple process and a general method was developed for the preparation of polymeric materials with controlled surface wettability. Method is applicable to a wide range of polymeric materials, thermoplastic or thermoset. ... -
Fumed silica filled poly(dimethylsiloxane-urea) segmented copolymers: Preparation and properties
(Elsevier, 2011)Novel fumed silica filled thermoplastic poly(dimethylsiloxane-urea) (TPSU) segmented copolymers were synthesized and characterized. TPSU copolymers were prepared from a cycloaliphatic diisocyanate, aminopropyl terminated ... -
Hexaazatriphenylene doped carbon nitrides-biomimetic photocatalyst with superior oxidation power
(Elsevier Science Bv, 2017)Pyrazine rings are a fundamental part of folic acid and flavine - cofactors that participate in natural electron transfer processes. Electron deficient carbon nitrides, more specifically poly(heptazine imides) (PHI), ... -
Hybrid paper sheets with improved barrier properties
(Scientific & Technical Research Council Turkey-TUBITAK, 2021)Hybrid paper sheets were prepared by applying a thin coating layer of cross-linked polydimethylsiloxane (PDMS) and inorganic particles onto Whatman Grade 1 filter paper substrates. Several coatings with different inorganic ... -
Hydrometallurgical recycling of waste NdFeB magnets: design of experiment, optimisation of low concentrations of sulphuric acid leaching and process analysis
(Taylor & Francis, 2022)Efficient recovery of rare earth elements (REEs) from scrap NdFeB magnets is a significant requirement for a circular economy. Therefore, the development of a cost-effective and environmentally friendly leaching process ... -
In-situ photochemical synthesis and dielectric properties of nanocomposite thin films containing Au, Ag and MnO nanoparticles
(Elsevier, 2021)Thioxanthone-Anthracene (TX-A) was used as a one-component Type II photoinitiator for the photopolymerization of PEGMEA/PEGDA monomer mixture consisting of AgNO3, HAuCl4 and MnCl2 metallic salts. In this study, we have ... -
Influence of coating method on the formation of superhydrophobic silicone-urea surfaces modified with fumed silica nanoparticles
(2015)Effect of the coating method on the formation of superhydrophobic polydimethylsiloxane-urea (TPSC) copolymer surfaces, modified by the incorporation of hydrophobic fumed silica nanoparticles were investigated. Four different ... -
Influence of different irrigation solutions on the push-out bond strength of fiber posts to root dentin and root canal dentin microhardness: methodological study
(Türkiye Klinikleri Diş Hekimliği Bilimleri Dergisi, 2023)This study aimed to compare the effect of sodium hypochlorite (NaOCl), chlorhexidine (CHX), ethylene diamine tetra acetic acid (EDTA) and etidronic acid (HEBP) solutions and their combinations on a push-out bond strength ... -
Influence of the average surface roughness on the formation of superhydrophobic polymer surfaces through layer-by-layer spin-coating with hydrophobic fumed silica
(Elsevier, 2015)Formation of superhydrophobic polymer surfaces were investigated through successive spin-coating of hydrophobic fumed silica dispersed in an organic solvent onto polymer films. Two different polymers, a hydrophobic segmented ... -
Influence of the coating method on the formation of superhydrophobic silicone–urea surfaces modified with fumed silica nanoparticles
(Elsevier, 2015)Effect of the coating method on the formation of superhydrophobic polydimethylsiloxane–urea copolymer (TPSC) surfaces, modified by the incorporation of hydrophobic fumed silica nanoparticles was investigated. Four different ... -
Investigation of Cu whisker growth by molecular beam epitaxy
(Walter de Gruyter, 2021)There is a trend towards smaller and smaller structures (nanostructures/miniaturization) which is well known in microelectronic, energy and semiconductor applications. Nanoengineering is expected to lead to significant ... -
Investigation of the effect of light fastness on the color changes of maps prepared by electrophotographic digital printing
(Walter de Gruyter, 2022)In this study the prints were made on paper substrates, which were thought as map substrate alternatives, with 3 different surface properties at 1200 dpi by using the electrophotographic printing system. Color and gloss ... -
In–situ formation of self-assembled Ag nanoclusters on ct-DNA in the presence of 2-mercaptothioxanthone by using UV–vis light irradiation
(Elsevier, 2018)Self-assembled silver nanoparticles (Ag NPs) on calf thymus DNA (ct-DNA) chains were synthesized in the presence of 2-mercaptothioxanthone (TX-SH) by use of UV irradiation technique. Thioxanthone itself and its derivatives ... -
Janus interface materials: a critical review and comparative study
(Amer Chemical Soc, 2020)In recent years, Janus interface materials with wettability contrast have attracted remarkable attention because of their beneficial properties and versatile potential applications in materials science including transport, ... -
Mechanical and wetting properties of coated paper sheets with varying polydimethylsiloxane molecular masses in the coating formulation
(Scientific & Technical Research Council Turkey-TUBITAK, 2022)Coated paper sheets were prepared by immobilizing a thin coating layer of cross-linked polydimethylsiloxane (PDMS) and inorganic particles onto Whatman filter paper Grade 1 (WFP) substrates. Several coatings that differed ... -
Modifying ultrafast optical response of sputtered VOX nanostructures in a broad spectral range by altering post annealing atmosphere
(Iop Publishing Ltd, 2015)Nanostructured VOX thin films were grown in a dc magnetron sputter system under two different Ar:O-2 gas flow ratios. The films were annealed under vacuum and various ratios of O-2/N-2 atmospheres. The insulator-to-metal ... -
Morphological, microstructural and photocatalytic characterization of undoped and Ni, Co doped Fe2O3 particles synthesized by sonochemical method
(Scientific & Technical Research Council Turkey-TUBITAK, 2022)In this study, an abundant and eco-friendly photocatalytic material, Fe2O3 particles were synthesized by sonochemical method. Morphological and microstructural investigations of synthesized undoped and Ni, Co-doped Fe2O3 ...
