Yazar "Güler, Melek" için listeleme
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Aspects of thermal martensite in a FeNiMnCo alloy
Güler, Melek; Güler, Emre; Kahveci Yağcı, Nermin (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 ... -
A benchmark for some bulk properties of bcc iron
Güler, Emre; Güler, Melek (Multi-Science Publishing Co. Ltd, 2013)Some bulk properties of bcc iron were calculated. Structural and elastic properties such as cohesive energy, bulk modulus, typical elastic constants and vacancy formation energy were calculated for zero Kelvin temperature. ... -
Cu-Al-Mn shape memory alloy based Schottky diode formed on Si
Aldırmaz, Emine; Tataroğlu, Adem; Dere, Ayşegül; Güler, Melek; Güler, Emre; Karabulut, Abdülkerim; Yakuphanoğlu, Fahrettin (Elsevier B.V., 2019)In this work, martensite was made over the wide temperature ranges and the two forms of martensite mor-phology in Cu85.41Al9.97Mn4.62shape memory alloy (SMA) were β′and γ′martensite phases. The SMA wascharacterized by the ... -
Deformation induced martensite characterization in FE-30%NI-5%CU alloy
Güler, Emre; Güler, Melek (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. ... -
The effect of alloying element Zn on magnetic properties of martensite phase in FeNiMn alloy
Güler, Melek; Aldırmaz, Emine; Gül, S.; Koyuncuoğlu, E.; Kulucan, Fazıl Fazlı; Güngüneş, Hakan; Güler, Emre (Elsevier B.V., 2018)The effect of alloying element Zn on the characteristics of thermal induced martensite and magnetic properties of martensite phase were investigated with scanning electron microscopy (SEM) and Mössbauer spectroscopy ... -
Elastic and mechanical properties of cubic diamond under pressure
Güler, Emre; Güler, Melek (Physical Society of the Republic of China, 2015)We report on some structural, elastic, and mechanical properties of cubic diamond under pressures up to 500 GPa. Unlike existing theoretical works, the second-generation reactive bond order (REBO) potential was used for ... -
Elastic and mechanical properties of hexagonal diamond under pressure
Güler, Emre; Güler, Melek (Springer Verlag, 2015)Hexagonal diamond is the harder and stiffer alternative of traditional cubic diamond for today’s technology. Although several theoretical attempts have been performed to understand the ground-state elastic properties of ... -
Elastic and related properties of Si under hydrostatic pressure calculated using modified embedded atom method
Güler, Melek; Güler, Emre (Institute of Physics Publishing, 2016)Although several theoretical works were performed to describe the high pressure behavior of typical cubic elastic constants of cubic diamond silicon (dc-Si), some of the obtained results of these studies still remain ... -
Elastic, mechanical and phonon behavior of wurtzite cadmium sulfide under pressure
Güler, Melek; Güler, Emre (MDPI AG, 2017)Cadmium sulfide is one of the cutting-edge materials of current optoelectronic technology. Although many theoretical works are presented the for pressure-dependent elastic and related properties of the zinc blende crystal ... -
Embedded atom method-based geometry optimization aspects of body-centered cubic metals
Güler, Melek; Güler, Emre (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 ... -
Fe-%27Ni-%4Mn-%1Zn alaşımında termal etki ile oluşan martensitenin bazı fiziksel özellikleri
Gül, Serap (Hitit Üniversitesi Fen Bilimleri Enstitüsü, 2019)Bu çalışmada, Fe-%27 Ni-%4 Mn-%1 Zn alaşımında termal etki ile oluşturulan faz dönüşümleri araştırılmıştır. Alaşımın üzerine uygulanan ısıl işlem etkisi ile alaşımda oluşan martensite faz dönüşümü ve ısıl işlem sonucu ... -
Geometry optimization calculations for the elasticity of gold at high pressure
Güler, Emre; Güler, Melek (2013)We present embedded atom method based geometry optimization aspects of pressure effect on some elastic and mechanical properties of gold. During study, we determined the pressure dependency of equilibrium volume, typical ... -
High pressure elastic properties of wurtzite aluminum nitrate
Güler, Emre; Güler, Melek (Physical Society of the Republic of China, 2014)Aluminum nitrate is an indisputable material for current optoelectronic technology. Although much scientific effort has been devoted to understand the ground state elastic properties of aluminum nitrate, little is known ... -
High pressure phase transition and elastic behavior of europium oxide
Güler, Melek; Güler, Emre (National Institute of Optoelectronics, 2014)We report the questionable high pressure structural and elastic characteristics of europium oxide (EuO) up to 50 GPa with shell model potential framework by geometry optimization calculations. We determined B1→B2 phase ... -
Investigation of magnetic properties of phase transformations in Copper-based alloys
Aldırmaz, Emine; Güler, Melek; Güler, Emre (Springer New York LLC, 2017)In this study, the magnetic properties of both Cu85.41Al9.97Mn4.62 and Cu82.41Mn13.81Al3.78 (wt%) shape memory alloys were studied. The analysis of the magnetization as a function of applied field and temperature was ... -
Magnetic and kinetical properties of Fe-27%Ni-4%Mn and Fe-27%Ni-4%Mn-2%Zn alloys investigated by VSM and DSC
Koyuncuoğlu, E.; Aldırmaz, Emine; Güler, Melek; Kulucan, Fazıl Fazlı; Güler, Emre (Springer New York LLC, 2018)We report on the structural, thermal, and magnetic properties of thermally induced martensite in Fe-27%Ni-4%Mn and Fe-27%Ni-4%Mn-2%Zn alloys. Scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and ... -
Magnetism and microstructure characterization of phase transitions in a steel
Güler, Melek (2014)We present phase transitions in a low carbon steel according to existing phases and their magnetism. Scanning electron microscope employed research to clarify and evaluate the microstructural details. Additionally, we ... -
Martensitic transformation and magnetic properties of the CuAl, CuAlMn, and CuAlMnZn alloys
Gerdan, Emre Y.; Aldırmaz, Emine; Güler, Melek; Tanak, Hasan; Güler, Emre (Springer New York LLC, 2018)In the present work, the effect of alloying elements on the phase transformation which are formed by cooling effect in CuAl, CuAlMn, and CuAlMnZn (wt%) alloys are investigated using scanning electron microscopy (SEM) and ... -
Phase transition and elasticity of gallium arsenide under pressure
Güler, Emre; Güler, Melek (Universidade Federal de Sao Carlos, 2014)Geometry optimization calculations were performed for some structural, elastic and mechanical properties of gallium arsenide (GaAs) under pressures up to 25 GPa. In contrast to previous works, a recent Stillinger-Weber ... -
A shape memory alloy based on photodiode for optoelectronic applications
Aldırmaz, Emine; Güler, Melek; Güler, Emre; Dere, Ayşegül; Tataroğlu, Adem; Sehemi, Abdullah G.; Al-Ghamdi, Ahmed A.; Yakuphanoğlu, Fahrettin (Elsevier Ltd, 2018)A photodiode was fabricated as a Schottky contact using Cu-Al-Mn shape memory alloy and p-Si substrate. The alloy was characterized by some characterization techniques such as (SEM), XRD and DSC. The electrical and ...
