Browsing Makale Koleksiyonu by Publisher "POLISH ACAD SCIENCES INST PHYSICS"
Now showing items 1-20 of 23
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Development of Machinable Glass-Ceramics Produced from Vermiculite
(POLISH ACAD SCIENCES INST PHYSICS, 2017)In this study, machinable glass-ceramics were produced from vermiculite and K2CO3, SiO2, Al2O3 and MgF2 as additives by melting process. The starting materials were mixed together and milled in a mill with alumina ball for ... -
Effect of Surfactant Types on the Size of Tin Oxide Nanoparticles
(POLISH ACAD SCIENCES INST PHYSICS, 2017)In this study, tin oxide (SnO2) nanoparticles were synthesized by hydrothermal method in the presence of hydrazine and ammonia by adding surfactant for 12 h in a Teflon autoclave at 100 degrees C reaction temperature. ... -
Effect of Yttria on the Phase Formation and Sintering of HA-Al2O3 Biocomposites
(POLISH ACAD SCIENCES INST PHYSICS, 2017)Hydroxyapatite is very-well known as the main component of hard tissues and, as such, it has attracted much attention by researchers in the recent decades. This study was aimed to present the characterization of Y2O3 doped ... -
The Effects of Aging on the Hardness and Wear Behaviour of 2124 Al Alloy/B4C Composites
(POLISH ACAD SCIENCES INST PHYSICS, 2015)The particulate reinforced aluminum alloy matrix composites are being increasingly used for wear component applications. The influence of matrix aging treatment on wear behavior in a powder metallurgy 2124 Al-B4C composite ... -
The Effects of Austempering and Induction Hardening on the Wear Properties of Camshaft Made of Ductile Cast Iron
(POLISH ACAD SCIENCES INST PHYSICS, 2017)The aim of this study is to investigate the effects of heat austempering and induction hardening on the wear properties of GGG60 ductile cast iron for camshaft production. For this purpose, camshafts have been produced by ... -
Effects of B2O3 Addition on the Sintering Behavior of 0-5-10% ZrO2 Doped BaTiO3 Based Ceramics
(POLISH ACAD SCIENCES INST PHYSICS, 2015)In this study, the effect of B2O3 addition on the sintering behavior of 0-5-10% ZrO2 doped barium titanate based microwave dielectric ceramics were investigated. For this purpose, the powder mixtures consisting of BaCO3, ... -
High Energy Ball Milling of YAG Powders: Sintering Properties and Microstructural Evaluation
(POLISH ACAD SCIENCES INST PHYSICS, 2017)Outstanding properties of sintered ceramics due to lower sintering temperatures and smaller grain sizes are of much attention to many researchers. In this study, YAG phase was formed successfully with mechanical activation ... -
Influence of ZrO2 Addition on the Structure and Dielectric Properties of BaTiO3 Ceramics
(POLISH ACAD SCIENCES INST PHYSICS, 2017)Ba(Ti1-xZrx)O-3 (x = 0 divided by 0.3) ceramics were prepared by the standard solid state reaction method and were sintered at 1450 degrees C for 4 h. The structural and dielectric properties of the samples were studied. ... -
Intense Laser Field Effects on the Shallow-Donor Impurity States in Rectangular-Shaped Quantum Well Wires
(POLISH ACAD SCIENCES INST PHYSICS, 2014)Using the effective mass and parabolic band approximations, the binding energy of a shallow donor impurity is calculated in a GaAs-(Ga,Al)As quantum well wire of rectangular transversal section, under the combined effects ... -
Investigation of Mechanical Properties of Fe-Based Metal Matrix Composites by Warm Compaction for Gear Production
(POLISH ACAD SCIENCES INST PHYSICS, 2017)In this study, mechanical behavior of iron-based ( Fe-0.8C-2.0Cu-4.5Ni-1.8Mo-.0lB (wt.%)) metal matrix composite synthesized by powder metallurgy was investigated for gear production. Metal matrix composite has been produced ... -
Lightweight Geopolymer Made of Pumice with Various Aluminum Powder Ratios
(POLISH ACAD SCIENCES INST PHYSICS, 2017)In this work, a lightweight geopolymer was prepared using various mass proportions of extra fine aluminum powder and pumice stone that is durable to heat and sound-proof. The effect of NaOH concentration, aluminum mass ... -
Microstructural Characterization and Thermal Properties of Aluminium Titanate/Porcelain Ceramic Matrix Composites
(POLISH ACAD SCIENCES INST PHYSICS, 2015)Porcelain represents one of the most complex ceramics, formulated from a mix of clay, feldspar and quartz, sintered at temperatures between 1200 degrees C and 1400 degrees C, to form a glass-ceramic composite. Aluminium ... -
Microstructural Characterization and Thermal Properties of Aluminium Titanate/Spinel Ceramic Matrix Composites
(POLISH ACAD SCIENCES INST PHYSICS, 2014)Spinel (MgAl2O4) ceramics possesses a high melting point, high hardness, a relatively low density, excellent transmittance, a high strength, a relatively low thermal expansion coefficient, high thermal shock resistance and ... -
Microstructural Characterization and Thermal Properties of Aluminium Titanate/Talc Ceramic Matrix Composites
(POLISH ACAD SCIENCES INST PHYSICS, 2015)Talc (3MgO.4SiO(2).H2O) has excellent mechanical properties, shock and abrasion resistance, good electrical and thermal shock resistance, softness, isolation, chemical activity, heat resistance and oil absorption properties. ... -
Microstructural Characterization and Thermal Properties of Aluminium Titanate/YSZ Ceramics
(POLISH ACAD SCIENCES INST PHYSICS, 2014)Yttria stabilized zirconia (YSZ, with 3 mol.% Y2O3) has superior high temperature properties such as high tolerance for thermal shock, low thermal conductivity, mechanical properties, elevated melting point, good phase ... -
Microstructure and Hardness Characteristics of Al2O3-B4C Particle-Reinforced Cu Matrix Composites
(POLISH ACAD SCIENCES INST PHYSICS, 2016)Copper is widely used in industrial applications because of its high electrical and thermal conductivity, easiness of processing and good corrosion resistance. However, copper also has some distinct limitations such as low ... -
Neutron-Induced Medical Radioisotope Production in a Conceptual Accelerator-Driven System, Fueled with Uranium Carbide
(POLISH ACAD SCIENCES INST PHYSICS, 2016)In this study, the medical radioisotope production performance of a conceptual accelerator-driven system is investigated. Lead-bismuth eutectic is used as target material. The fuel core of the considered accelerator-driven ... -
Neutronic Analysis of LBE-Uranium Spallation Target Accelerator Driven System Loaded with Uranium Dioxide in TRISO Particles
(POLISH ACAD SCIENCES INST PHYSICS, 2016)This study presents the neutronic performances of fissile breeding and energy production of a gas cooled accelerator-driven system with LBE-uranium dioxide (UO2) spallation target. The accelerator-driven system is designed ... -
Optimization of Electrophoretic Deposition of YSZ
(POLISH ACAD SCIENCES INST PHYSICS, 2018)Electrophoretic deposition has acquired increasing interest for its outstanding potential to produce thick ceramic coatings on complex-shaped substrates. This makes electrophoretic deposition a promising technique to obtain ... -
An Oxidation Study of NiCoCrAl Coatings Produced by Electrolytic co-Deposition Method
(POLISH ACAD SCIENCES INST PHYSICS, 2018)NiCoCrAl metallic compounds are used as bond coats for thermal barrier coatings. These composite coatings were obtained by electrodeposition under DC conditions from a Watts bath containing suspended Cr and Al particles. ...