Başlık için Makale Koleksiyonu listeleme
Toplam kayıt 286, listelenen: 45-64
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Deaging of heat-treated iron-doped lead zirconate titanate ceramics
(Amer Inst Physics, 2006)Doping strongly influences the properties of ferroelectric perovskite materials. One striking difference between donor- and acceptor-doped materials is the transition from "soft" to "hard" ferroelectric behavior. The ... -
Decolouration effect of WC addition on gas pressure sintered alpha-beta SiAlON ceramics
(Elsevier Science BV, 2004)In this study, an attempt was made to mask an inhomogeneous gray colouration featured on the surfaces of the gas pressure sintered alpha-beta SiAlON ceramics containing 50% alpha and 50% beta SiAlONs in the form of spots. ... -
Densification and properties of in-situ synthesized ZrB2-SiC composities from ZrO2, B4C and SiC system
(Korean Assoc Crystal Growth, Inc, 2017)Zirconium diboride-silicon carbide (ZrB2-SiC) ceramics were in-situ synthesized and densified by the spark plasma sintering (SPS) method using ZrO2, B4C and SiC as starting powders. Both synthesis and densification processes ... -
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) ... -
Design of Alternative Composite Material to Available Tractor Cabins
(Springer, 2016)All mobile machinery is at the risk of rolling over, depending on the machinery characteristics the need to protect operator from the risk of being injured or causing death due to rollover has been of prime importance in ... -
Design parameter investigation of industrial size ultrasound textile treatment bath
(Elsevier Science BV, 2009)Design requirements for industrial size ultrasound bath for textile treatments have been determined. For this purpose, effects of sound pressure level, bath temperature, bath volume, textile material type and hydrophility ... -
Determination of thickness, density and roughness of Co-Ni-Al single and multiple layer films deposited by high-vacuum e-beam evaporation on different substrates
(2006)Thickness, density, surface and interface roughness of Al-Co-Ni single and multiple layer films deposited by high-vacuum e-beam evaporation on different substrates were investigated using X-ray reflectivity (XRR). The ... -
Development of ?-ß SiAlON ceramics from different Si 3N4 starting powders
(2009)?-ß SiAlON ceramics were produced from different starting Si3N4 powders including P-Si3N4 and ?-Si3N4 powders and mixtures of these powders. Gas pressure sintering was used for sintering. After sintering, resultant fracture ... -
Development of a multipurpose tile body: Phase and microstructural development
(Elsevier Sci LTD, 2006)In this study, an attempt was made in order to develop a multipurpose tile body using a single formulation. In order to achieve this, several body recipes were prepared using mainly local raw materials with clearly defined ... -
Development of using local raw materials deposits in Eskisehir region, Turkey
(Australian Ceramic Society, 2017)Local clayey raw materials and feldspathic rocks of Eskisehir sources were characterized, and its influence in facade cladding tile compositions was evaluated. Dilatometric studies for disclosing peak firing temperatures ... -
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 ... -
Do Nano-crystalline Silver-Coated Hernia Grafts Reduce Infection?
(Springer, 2018)Purpose Inguinal hernia repairs are the most common interventions in adults in general surgery clinics. Depending on the type of mesh and repair, the incidence of mesh-related infection ranges from 0.6 to 8%. Methicillin-resistant ... -
Effect of activators and calcination on luminescence properties of akermanite type phosphors
(Natl Inst Science Communication-Niscair, 2015)Akermanite 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 ... -
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 ... -
Effect of Al2O3 Nanofiller on ion conductivity, transmittance, and glass transition temperature of PEI: LiTFSI: PC: EC polymer electrolytes
(Springer, 2016)In the present study, ion conductivity, optical properties, and glass transition temperatures are characterized for polymer electrolytes composed of poly(ethyleneimine) (PEI), lithium bis(trifluoromethane) sulfonylimide ... -
Effect of alkaline-earth oxides on firing behaviour of monoporosa wall tile bodies
(Korean Assoc Crystal Growth, Inc, 2018)For the production of ceramic wall tiles, effective sintering has become increasingly important in recent years to reduce firing times and/or peak firing temperatures and thus cope with high energy costs and environmental ... -
Effect of Annealing on Microstructure and Microhardness of Co-Fe-Ni-Ta-B-Si Bulk Metallic Glass
(Journal Mater Sci Technol, 2015)Effects of annealing temperature and time on microstructure and microhardness of Co41Ni2Fe20Ta5.5B26.5Si5 amorphous alloy have been investigated. Microhardness of the as-cast alloy is found to be 1170 HV. The maximum ... -
Effect of bias voltage on tunneling mechanism in Co40Fe40B20/MgO/Co40Fe40B20 pseudo-spin valve
(Elsevier Science BV, 2015)Bias voltage dependence of tunneling mechanism has been systematically investigated in Co40Fe40B20 (2.1 nm)/MgO (2 nm)/Co40Fe40B20 (1.7 nm) pseudo-spin valve magnetic tunnel junction deposited using the combination of the ... -
Effect of calcination on the production of sintered MgAl2O4 by using different local waste Al2O3 powders
(Springer, 2017)Magnesium aluminate spinel is one of the important synthetic minerals which have lots of applications in ceramic, refractories and chemical industries. In this research, two different types of alumina and magnesia sources ... -
Effect of calcination temperature on the structural and magnetic properties of Ni/SBA-15 nanocomposite
(Springer, 2015)The effect of calcination temperature on the structural and magnetic properties of Ni/SBA-15 nanocomposite prepared by reductant-impregnation method was studied using SBA-15 mesoporous silica as support. The structure, ...
