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Toplam kayıt 150, listelenen: 111-130
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Spark plasma sintering of Si3N4-B4C composites
(Ceramic Soc Japan-Nippon Seramikkusu Kyokai, 2008)In this study the production Of Si3N4-B4C Composites using spark plasma sintering technique was studied. This technique was preferred in order to minimize the reactions between starting constituents. Fully dense Si3N4 ... -
Spark Plasma Sintering of Silicon Nitride-Boron Carbide Composites
(Trans Tech Publications LTD, 2009)Si(3)N(4)-B(4)C composites containing fine and coarse B(4)C particles were produced using Al(2)O(3) and Y(2)O(3) as sintering additives via spark plasma sintering (SPS) technique. Phase assemblages of the produced composites ... -
Spark Plasma Sintering of Translucent Dy-Y Doped alpha-SiAlON: Study of Sintering Parameters Influence on the Optical Properties by Using Taguchi Method
(Polish Acad Sciences Inst Physics, 2017)The Taguchi approach was applied to optimize optical properties of Dy-Y doped alpha-SiAlON ceramics produced by spark plasma sintering technique. L'16 experimental design was formed according to orthogonal array. Four ... -
Spinel formation, reaction conditions and densification properties of magnesia-spinel composites
(Trans Tech Publications LTD, 2004)Densification, reaction conditions and properties of densified MgO and spinel composites were examined using both pressureless sintering and hot-pressing. Initially fine (32 nm) MgO powder, either alone or blended with mum ... -
Spinel nitrides transparent ceramics
(Elsevier Sci LTD, 2015)Aluminum oxy-nitride (AlON), a solid solution in the binary phase diagram of Al2O3-AlN, is a relatively new spinel type material. In the present study, the optimum sintering agent and sintering conditions of AlON were ... -
Structural and Electrical Characterization of Electro Spray Deposited PZT Sol-PZT Nanopowder Composite Thick Films
(IEEE, 2014)In piezoelectric market, infrared detectors, pyroelectric and piezoelectric sensors, microwave devices, actuators, transducers, non-volatile random access memories, and micro electromechanical systems are fabricated using ... -
Structural characterisation of Er-Si-Al-O-N glasses by Raman spectroscopy
(Elsevier Sci LTD, 2007)Er-Si-Al-O-N glasses have been prepared with cation ratio Er:Si:AI=3.45:3:2 containing various amounts of nitrogen (N=O, 5, 8, 15 and 22equiv.%). Glass properties such as microhardness, glass transition temperature and ... -
Structure, microstructure and magnetic properties of Ni 75 Fe 25 films elaborated by evaporation from nanostructured powder
(Elsevier B.V., 2015)We report on the structural, microstructural and magnetic properties of Ni 75 Fe 25 permalloy (Py) thin films. Py thin films with different thicknesses were deposited by vacuum evaporation from nanocrystalline powder onto ... -
Synchrotron texture analysis of thick BiFeO 3-PbTiO 3 layers synthesised by tape casting using Aurivillius and non-Aurivillius templates
(2012)The solid solution between bismuth ferrite and lead titanate (xBiFeO 3-(1-x)PbTiO 3 or BFPT) possesses a morphotropic phase boundary (MPB) between the rhombohedral and tetragonal forms at x=0.7. It is of interest to ... -
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 ... -
Synthesis and sintering of cordierite at low temperature from kaolin and magnesium hydroxide
(Trans Tech Publications LTD, 2004)Thermal reactions of ultrafine Mg(OH)(2) mixtures of ultrafine particles and kaolin mixtures were investigated to obtain cordierite at low temperatures. Magnesium hydroxide was precipitated from magnesium chloride (MgCl2) ... -
Synthesis of nanosized tin oxide (SnO2) particles via homogeneous precipitation
(Trans Tech Publications LTD, 2004)Synthesis of nanosized SnO2 ceramic particles via homogeneous precipitation was investigated as a function of processing parameters such as initial concentration and calcination temperature. Hydrous tin oxide was precipitated ... -
Synthesis of the CeO2 based pigments by using enriched rare-earth oxides located at Eskisehir Kizilcaoren region
(Trans Tech Publications LTD, 2004)Pigments based on CeO2 structure are known to give various pink-orange and red brown colour in ceramic glazes. This type of pigments is prepared by high temperature calcination Of CeO2 and Pr6O11 with admixed rare-earth ... -
Synthesis of the CeO2 based pigments by using enriched rare-earth oxides located at eskişehir kizilcaören region
(2004)Pigments based on CeO2 structure are known to give various pink-orange and red brown colour in ceramic glazes. This type of pigments is prepared by high temperature calcination of CeO2 and Pr 6O11 with admixed rare-earth ... -
Tailoring the Q of cymbal transducer
(Trans Tech Publications LTD, 2004)In general high Q is a desired property for transducer applications, which is the indication low loss. However for the underwater acoustic applications wide bandwidth is also a desired property. Therefore the Q values ... -
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 ... -
Textured ?-SiAlON ceramics via templated grain growth
(2007)In this study, textured ?-SiAlON ceramic was produced by templated grain growth process. In order to enhance the alignment of the seeds, gated tape casting arrangement was utilized. Y-Ce codoped seeds were synthesized to ... -
Textured alpha-SiAlON ceramics via templated grain growth
(Trans Tech Publications LTD, 2007)In this study, textured alpha-SiAlON ceramic was produced by templated grain growth process. In order to enhance the alignment of the seeds, gated tape casting arrangement was utilized. Y-Ce codoped seeds were synthesized ... -
Textured ZnO-Based varistors via templated grain growth
(Trans Tech Publications LTD, 2004)Textured ZnO-based varistors were produced by using templated grain growth technique (TGG). Rod-like ZnO particles which used as templates in TGG were synthesized by homogeneous precipitation method from the 0.01 M zinc ...