Yazar "Güner, Sait Barış" için listeleme
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An analysis on the relation between the seed distance and vertical levitation force for the multi-seeded YBCO using the modified advanced frozen image (MAFI) and experimental methods
Öztürk, Kemal; Güner, Sait Barış; Abdioğlu, Murat; Demirci, Mehmet; Çelik, Şükrü; Cansız, Ahmet (Elsevier Science Sa, 2019)The higher magnetic levitation force and related stiffness values are very important for Maglev and magnetic bearing applications. Also, larger superconducting surface area is needed for continuous and larger magnetic ... -
Bulk MgB2 superconductor for levitation applications fabricated with boron processed by different routes
Savaşkan, Burcu; Öztürk, Ufuk Kemal; Güner, Sait Barış; Abdioğlu, Murat; Bahadır, M.V.; Acar, Selçuk; Somer, Mehmet; Ionescu, Alexandra Maria; Locovei, Cosmin; Enculescu, Mihaela; Badica, P. (Elsevier, 2023)Bulk MgB2 discs were prepared by an in situ route from mixtures of magnesium and boron powders. The boron powders were produced by two methods. The first one consisted of a self-propagating high tem-perature magnesiothermic ... -
Changing the conductivity type of ultrasonically sprayed ZnO thin films: comparison of the effects of Li, N, and B dopants
Bayazıt, Tuğba; Güner, Sait Barış; Tomakin, Murat (Springer, 2023)ZnO is a material widely used in technological applications. However, the difficulty of preparing p-type ZnO creates a bottleneck for developing ZnO-based devices. In this study, Li, N, and B-doped ZnO thin films were ... -
The comparison of levitation and lateral force of bulk and cut-pasted bulk GdBCO samples at different temperatures
Güner, Sait Barış; Abdioğlu, Murat; Öztürk, Kemal; Çelik, Şükrü (Elsevier Science Sa, 2020)In this work, in the first time, we have investigated the levitation and lateral force properties of bulk and cut-pasted bulk GdBCO samples at different temperatures and different cooling heights (CH) to determine the ... -
Comparison of levitation forces of bulk MgB2 superconductors produced by nano boron and carbon-doped nano boron
Düz, I.; Güner, Sait Barış; Erdem, Oğuz; Demir, İsmail; Kapucu, V.; Çelik, Şükrü; Öztürk, Kemal; Hossain, Shahriar; Gencer, Ali G.; Yanmaz, Ekrem (Springer, 2014)MgB2 bulk superconductors were prepared by hot press plus furnace heating method. Two types of boron powders were used, one is amorphous nano boron and the other is C-doped boron. Characteristics of superconductors were ... -
A detailed research for determination of Bi/Ga partial substitution effect in Bi-2212 superconducting matrix on crucial characteristic features
Güner, Sait Barış; Zalaoğlu, Yusuf; Turgay, Tahsin; Özyurt, Ömer; Ülgen, Asaf Tolga; Doğruer, Musa; Yıldırım, Gürcan (Elsevier Science Sa, 2019)This multidisciplinary study paves way to investigate the crucial of fundamental characteristic properties including the bulk density, electrical, superconducting, flux pinning mechanism, crystal structure quality and ... -
Effect of adding on the critical current density and lateral levitation force of bulk
Savaşkan, Burcu; Koparan, Ezgi Taylan; Güner, Sait Barış; Çelik, Şükrü; Öztürk, Kemal; Yanmaz, Ekrem (Springer/Plenum Publishers, 2015)We fabricated malic acid -added bulks by wet mixing and "Two-step solid state reaction method". the effects of adding malic acid on , behaviour and lateral levitation force features of bulk have been investigated. A ... -
The effect of nano-Pt/nano-SiC co-additions on superconducting properties of bulk MgB2
Koparan, E. Taylan; Güner, Sait Barış; Aksoy, Can; Savaşkan, Burcu (Springer, 2023)This research presents a detailed analysis and discussion of the crystallographic, flux pinning mechanism, the microstructure and superconducting properties of nano-Pt/nano-SiC co-added (in different addition levels) bulk ... -
Effects of Bi-2212 addition on the levitation force properties of bulk MgB2 superconductors
Koparan, Ezgi Taylan; Savaşkan, Burcu; Güner, Sait Barış; Çelik, Şükrü (Springer, 2016)We present a detailed investigation of the effects of Bi2Sr2Ca1Cu2O8+kappa (Bi-2212) adding on the levitation force and magnetic properties of bulk MgB2 obtained by hot press method. the amount of Bi-2212 was varied between ... -
Effects of initial cooling conditions and measurement heights on the levitation performance of bulk MgB superconductor at different measurement temperatures
Erdem, Osman Ayhan; Öztürk, Kemal; Güner, Sait Barış; Çelik, Şükrü; Yanmaz, Ekrem (Springer/Plenum Publishers, 2014)The levitation properties of MgB prepared by hot press at 200 C and then pellet/closed tube method has been investigated. the vertical and lateral levitation forces ( and on a cylindrical NdFeB permanent magnet (PM) below ... -
Effects of silver doping on magnetic levitation performance of MgB2 superconductors
Güner, Sait Barış (Elsevier Sci Ltd, 2020)MgB2 bulk samples with the silver contents of 0, 1.5, 3.0, 4.5, 6.0, 9.0 and 12.0 wt% were fabricated at 775 degrees C for 3 h in Ar atmosphere by solid-state reaction method. the structural and electromagnetic properties ... -
Enhanced magnetic levitation and guidance force in MgB2 bulks by synthetic engine oil immersion
Savaşkan, Burcu; Koparan, Ezgi Taylan; Güner, Sait Barış; Öztürk, Kemal; Çelik, Şükrü (Springer, 2019)We have used Synthetic engine oil' as a rich easily accessible carbon source and investigated the effect of engine oil on the microstructure, critical current density (J(c)), vertical levitation force (F-z) and guidance ... -
Enhancing magnetic levitation and guidance force and weight efficiency of high-temperature superconducting maglev systems by using sliced bulk YBCO
Abdioğlu, Murat; Öztürk, U. Kemal; Güner, Sait Barış; Öztürk, Mehmet; Mollahasanoğlu, Hakkı; Yanmaz, Ekrem (Wiley, 2023)We aimed to enhance the magnetic force efficiency of Maglev systems without increasing total weight. For this aim, we divided YBCO bulks into three slices horizontally to utilize the YBCO-permanent magnetic guideway (PMG) ... -
High-field pinning potential in YBCO films with nanoengineered pinning centres
Collazos, Josep Cervello; Güner, Sait Barış; Çelik, Mustafa Eren; Oprea, Andreea; Gencer, Ali; Crisan, Adrian (Springer, 2015)Frequency-dependent AC susceptibility measurements have been used to estimate the critical current densities and pinning potential of two 1.1-mu m-thick YBCO films with nanoengineered pinning centres. the films were grown ... -
Improvement in levitation force performance of bulk MgB2 superconductors through coronene powder adding
Erdem, O.; Abdioğlu, M.; Güner, Sait Barış; Çelik, S.; Küçükömeroğlu, T. (Elsevier Science Sa, 2017)The effect of coronene (C24H12) addition on the levitation force properties of MgB2 superconductor has been investigated for the first time in this study. the polycrystalline disk-shaped MgB2 + y wt % C24H12 samples (y = ... -
Investigation of magnetic force properties between different PMGs and multi-seeded YBCO superconductors with different seed distances
Abdioğlu, Murat; Öztürk, Kemal; Güner, Sait Barış; Çelik, Şükrü; Kuüçükömeroğlu, Tayfur (Elsevier, 2019)The magnetic levitation force in vertical direction and guidance force in lateral direction should be increased for enhancing the loading capacity and stability of Maglev systems, respectively. in this study, we have ... -
The investigation of magnetic levitation performances of single grain YBCO at different temperatures
Güner, Sait Barış; Çelik, Şükrü; Tomakin, Murat (Elsevier Science Sa, 2017)The temperature dependence of the magnetic levitation force has been investigated for single-grain YBCO bulk sample, 20 mm in diameter with a thickness of 8 mm, fabricated by top-seeded melt growth (TSMG) method using Nd123 ... -
Investigation of MgB2 bulk superconductors synthesized by in situ spark plasma sintering at different temperatures
Ağıl, Hasan; Ağıl, Aslı Asiye; Güner, Sait Barış; Ayaş, Erhan (Elsevier, 2023)In this research, the synthesis of MgB2 bulk superconductor with in-situ spark plasma sintering technique at different temperatures and the impacts of these sintering temperatures on the critical parameters (density, phase ... -
Investigation on superconducting and magnetic levitation force behaviour of excess Mg doped-bulk MgB2 superconductors
Güner, Sait Barış; Savaşkan, Burcu; Öztürk, Kemal; Çelik, Şükrü; Aksoy, Canan; Karaboğa, Fırat; Koparan, Ezgi Taylan; Yanmaz, Ekrem (Elsevier Sci Ltd, 2019)A series bulk samples of MgB2 + x wt% of Mg (x = 0, 5, 10, 15, 20 and 30) were fabricated by solid state reaction method. the structural and electromagnetic properties of MgB2 samples were studied using X-ray diffraction ... -
The investigation on the regional nanoparticle Ag doping into MgTi0.06B2 bulk for improvement the magnetic levitation force and the bulk critical current
Öztürk, Kemal; Dancer, Claire E. J.; Savaşkan, Burcu; Aksoy, Canan; Güner, Sait Barış; Badica, Petre; Aldica, Gheorghe V.; Çelik, Şükrü (Elsevier Science Sa, 2017)Fabrication methods are important way to improve structural and superconducting properties of MgB2 such as critical current, magnetic levitation force (MLF) and magnetic field trapping capability. Although the graded ...
