Browsing Makale Koleksiyonu by Issue Date
Now showing items 1-20 of 186
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The effect of austenitizing time on martensite morphologies and magnetic properties of martensite in Fe-24.5%Ni-4.5%Si alloy
(2007)The effect of austenitizing time on the formation of martensite in Fe-24.5%Ni-4.5%Si alloy has been studied by means of transmission electronmicroscope (TEM), scanning electronmicroscope (SEM) and Mössbauer spectroscopy ... -
Some aspects of thermally induced martensite in Fe-30% Ni-5% Cu alloy
(2007)Kinetical, morphological, crystallographical and several thermal properties of thermally induced martensite in the austenite phase ofFe–30% Ni–5% Cu alloy were investigated. Scanning electron microscope (SEM), transmission ... -
On the origin and age of the Arıburnu Beachrock, Gelibolu Peninsula, Turkey
(TÜBİTAK, 2008)Bu çalışmada Gelibolu Yarımadası’nda, Arıburnu kıyılarındaki yalıtaşı oluşumu arazi verileri, ince kesit yorumlamaları, ICP-AES, EDS ve SEM analizleri ve OSL yaşlandırması ile ele alındı. Analizler yalıtaşı çimentosu içinde ... -
Effect of homogenization temperature on the martensitic transformation kinetics in a Fe-32%Ni-0.4%Cr alloy
(2008)Kinetic, morphological and some thermal properties of thermally induced and deformation-induced martensite were studied in a Fe-32%Ni-0.4%Cr alloy. Scanning electron microscopy (SEM), differential scanning calorimetry (DSC) ... -
Some characteristics of thermally induced martensite in Fe-30%Ni-3.6%Mo alloy
(2008)Kinetical, morphological and magnetic characteristics of thermally induced martensite in an Fe-30%Ni-3.6%Mo alloy has been studied by scanning electron microscopy, transmission electron microscopy and Mössbauer spectroscopy. ... -
Phase transitions in a high-chromium and medium-carbon steel
(2008)Investigation of phase transformations in a high-chromium and medium-carbon steel were carried out with scanning electron microscopy (SEM) and Mössbauer spectroscopy for different prior heat treatment conditions of studied ... -
Investigation of the time evolution of Lane-emden-type Kanai-caldirola oscillator
(2009)In this study, we have investigated the time evolution of the first kind Lane-Emden-type Kanai-Caldirola oscillator. The total energy of the one dimensional classical harmonic oscillator with time-dependent mass is obtained. ... -
Characterization of martensite in Fe-25%Ni-15%Co-5%Mo alloy
(2009)Kinetic, morphological, crystallographical, magnetic and thermal characteristics of thermally induced martensite in Fe-25%Ni-15%Co-5%Mo alloy have been investigated by scanning electron microscope (SEM), transmission ... -
Dielectric properties and ac electrical conductivity of MIS structures in the wide frequency and temperature range
(National Institute of Optoelectronics, 2010)Dielectric properties and electrical conductivity of the Al/SiO2/p-Si (MIS) structures have been investigated in the temperature and frequency range of 80-400 K and 1 kHz-100 kHz, respectively. Experimental results show ... -
The effects of surface states and series resistance on the performance of Au/SnO2/n-Si and Al/SnO2/p-Si (MIS) Schottky barrier diodes
(2010)We have fabricated two types of Schottky barrier(SBDs),Au/SnO2/n-Si (MIS1) and Al/SnO2/p-Si (MIS2), to investigate the surface (Nss) and series resistance (Rs) effect on main electrical parameters such as zero-bias barrier ... -
Investigation of the time evolutions of some log-periodic oscillators
(2010)We consider the time evolution of the one dimensional classical and quantum oscillator systems according to its mass and spring constant with fluctuating time. By using the SU(1,1) coherent states, the classical equations ... -
Aspects of thermal martensite in a FeNiMnCo alloy
(2010)Thermal martensite characteristics in Fe-29%Ni-2%Mn-2%Co alloy were investigated with scanning electron microscopy (SEM) and Mössbauer spectroscopy characterization techniques. SEM observations obviously revealed the lath ... -
Effect of Si on austenite stabilization, martensite morphology, and magnetic properties in Fe-26%Ni-x%Si alloys
(2011)The effect of Si on the austenite stabilization, martensite morphology, and magnetic properties in Fe-26%Ni-x%Si (x=3.5, 5, and 6) alloys have been studied by means of transmission electron microscopy (TEM) and Mössbauer ... -
Frequency and gate voltage effects on the dielectric properties and electrical conductivity of Al/SiO2/p-Si metal-insulator-semiconductor Schottky diodes
(2011)The dielectric properties and electrical conductivity of Al/SiO 2/p-Si (MIS) Schottky diodes (SDs) in the frequency range of 10 kHz to 10 MHz and the gate voltage range of -2 to 6 V have been investigated in detail using ... -
A comparative study of the dielectric properties of Al/p-Si structures with 50 and 826 angstrom SiO2 interfacial layer
(2011)Dielectric properties and ac electrical conductivity (σac) of Al/p-Si structures with 50 Ǻ (MIS) and 826 Ǻ (MOS) interfacial insulator layer (SiO2) have been investigated in the frequency range of 10 kHz-2 MHz using the ... -
Illumination intensity effects on the dielectric properties of schottky devices with Co, Ni-doped PVA nanofibers as an interfacial layer
(2012)ABSTRACT:In this study, the Au/poly(vinyl alcohol) (Co, Ni-doped)/n-SiSchottky devices (SDs) were fabricated usingn-type single crystal silicon(phosphor-doped). The ohmic and rectifier contacts were thermally formed ... -
Solution processable benzotriazole and fluorene containing copolymers for photovoltaic applications
(2012)2-Dodecyl benzotriazole and 9,9-dioctylfluorene containing alternating copolymers poly((9,9-dioctylfluorene)-2,7-diyl-(2-dodecyl-benzo[1,2,3]triazole)) (P1), poly((9,9-dioctylfluorene)-2,7-diyl-(4,7-bis(thien-2-yl) ... -
Deformation induced martensite characterization in FE-30%NI-5%CU alloy
(2012)Deformation induced martensite properties were examined according to existing martensite morphology, crystallography and formation temperatures for different prior austenite homogenization conditions in Fe-30%Ni-5%Cu alloy. ... -
Benzotriazole and benzothiadiazole containing conjugated copolymers for organic solar cell applications
(Elsevier Ltd, 2012)2-Dodecyl benzotriazole (BTz) and benzothiadiazole (BTd) containing copolymers poly(4-(2-dodecyl-2H-benzo[d][1,2,3]triazol-4-yl)benzo[c][1,2,5] thiadiazole (P1), poly(4-(5-(2-dodecyl-7-(thiophen-2yl)-2H-benzo[d][1,2,3] ... -
Embedded atom method-based geometry optimization aspects of body-centered cubic metals
(2013)We present embedded atom method-based geometry optimization calculations for Fe, Cr, Mo, Nb, Ta, V and W body-centered cubic metals with Finnis - Sinclair potentials. After the optimization, we determine their typical ...
