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Toplam kayıt 286, listelenen: 57-76
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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, ... -
Effect of earth alkaline oxides on firing behaviour of porcelain stoneware
(Techna Srl, 2010)Aim of this study was to investigate the relations between chemical composition and firing behaviour of porcelain stoneware formulations. The effects of magnesia and/or calcia incorporation in varying amounts into a standard ... -
Effect of heat treatment on green machinability of SiAlON compacts
(Elsevier Science Sa, 2014)SiAlON based ceramics are promising materials for wear applications such as wire extrusion dies, pipe bending rollers, etc. due to their outstanding mechanical properties both at high and low temperatures. To be able to ... -
Effect of Kaolin Type on Pyroplastic Deformation of Sanitaryware Porcelain Body
(Gazi University, Fac Engineering Architecture, 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 ... -
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 ... -
The effect of mullite on the mechanical properties and thermal shock behaviour of alumina-mullite refractory materials
(Elsevier Sci LTD, 2003)Mechanical properties and thermal shock behaviour of slip-cast alumina-mullite refractories have been investigated. There was a marked improvement in strength, Young's modulus and fracture toughness values with the addition ... -
Effect of Nano Hexagonal Boron Nitride Lubricant Additives on the Friction and Wear Properties of AISI 4140 Steel
(Taylor & Francis Inc, 2013)The aim of this study was to investigate the effects of nano hexagonal boron nitride(hBN) particles on the friction and wear properties of AISI 4140 steel material when the hBN particles are used as an oil additive. Nano ... -
Effect of passivation and precipitation hardening on processing and mechanical properties of B4C-Al composites
(Elsevier Sci LTD, 2011)Boron carbide aluminium composites were produced by infiltrating aluminium alloys into porous boron carbide preforms at different temperatures under an argon gas atmosphere. Aim of this study was controlling the reaction ... -
The Effect of Porosity and Glassy Phase Amount of Porcelain Tiles on Ultrasonic Velocity
(Australian Ceramic Society, 2015)Non-destructive testing (NDT) has been playing critical role in processing, testing and structural evaluation of materials. Ultrasonic testing is a widely used characterization method in non-destructive testing (NDT). The ... -
Effect of Precursor Type on Zinc Oxide Formation and Morphology Development during Hydrothermal Synthesis
(2016)Semiconducting metal oxide sensors have been widely studied due to their small dimensions, low cost and low power consumption. ZnO is a potential material for gas sensor applications because of its high piezoelectric ... -
Effect of SiC addition on the thermal diffusivity of SiAlON ceramics
(Elsevier Sci LTD, 2017)Despite the fact that thermal conductivity is a crucial parameter for SiAlON ceramics with respect to their suitability in various applications, including high-temperature structural components, wear parts, and cutting ... -
Effect of sintering conditions and heat treatment on the properties, microstructure and machining performance of alpha-beta-SiAlON ceramics
(Elsevier Sci LTD, 2012)The properties of SiAlON ceramics are strongly affected by the composition and structure of the intergranular phase, which are controlled by dopants, sintering conditions and starting silicon nitride (Si3N4) powder ... -
The effect of SnO2 on the improvement of mechanical properties of MgO-MgAl2O4 composites
(Elsevier Sci LTD, 2012)Incorporation of SnO2 into MgO-spinel (M-S) increased mechanical properties significantly. Relationships between the parameters improving mechanical properties and microstructural variables were examined. Basic parameters ...
