Department of Metallurgical and Materials Engineering, Article

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Synthesis of heterostructured nanocomposites as supercapacitor electrodes and investigation of their electrochemical properties Aytürk, Seden Ezgi Yazar; ÇITAK, ALİME; Aydın, Elif Can; Durukan, Mete Batuhan (2023-12-20) High performance supercapacitors have taken their place in the world as one of the research areas emerging in order to feed increasing energy consumption. By using metal oxides in electrode structures, supercapacitors have...
Nanomechanical properties of Al-Tb marginal metallic glass Okuyucu, Can; Ulucan, Tolga Han; Abboud, Mohammad; Motallebzadeh, Amir; Özerinç, Sezer; Kalay, İlkay; Kalay, Yunus Eren (2023-11-17) Al-Rare Earth (RE) metallic glasses provide an effective model system to study the effect of nanocrystallites in an amorphous matrix on nanomechanical behavior. In this work, we achieved a series of Al-Tb metallic glass-cr...
Mesoporous Cr2O3/MWCNTs/PANI nanocomposite as a high performance anode material for rechargeable lithium ion batteries Kiran, Laraib; Aydınol, Mehmet Kadri; Shah, Syed Sakhawat; Anwar, Aneela; Abbas, Syed Mustansar; Bahtiyar, Doruk; Siddiq, Muhammad; Rehman, Abdul; Ouladsmane, Mohamed; Shahzad, Muhammad Imran (2023-11-15) Chromium oxide (Cr2O3) has been considered as a promising anode material for lithium-ion batteries (LIBs). However, it is accompanied by a large volumetric expansion which compromises battery performance by damaging intern...
B-Site Effect on High-Entropy Perovskite Oxide as a Bifunctional Electrocatalyst for Rechargeable Zinc–Air Batteries Erdil, Tuncay; Toparlı, Çiğdem (2023-11-01) High-entropy perovskite oxides (HEPOs) combine the advantageous characteristics of both high-entropy oxides and perovskite oxides such as robust long-term crystal and electronic structure stability and finely adjusta...
Predicting Silica Deposition from Superheated, Pressurized Steam Using Numerical Modeling of Nucleation, Agglomeration and Deposition Bordvik, Silje; van Erp, Titus S.; Uçar, Şeniz; Næss, Erling (2023-10-01) A model that can be used to quantify silica deposition from superheated depressurized steam is developed. Classical nucleation theory, agglomeration and deposition onto a wall are combined in a numerical model that calcula...
Dynamics in between Structural and Electrical Properties of as Grown ZnO Thin Films by Thermal ALD İmer, Muhsine Bilge (2023-09-01) The mechanism behind n-type conductivity of undoped ZnO films are not understood well. One and two dimensional defects (grain boundaries, dislocations), and zero dimensional stoichiometric point defects (vacancies, self-...
SYNTHESIS AND CHARACTERIZATION OF HIGH ENTROPY OXY-HYDROXIDES FOR ELECTROCATALYTIC OXYGEN EVOLUTION AND REDUCTION REACTION Toparlı, Çiğdem (2023-08-21) The need for energy is rising quickly, and the usage of fossil fuels is contributing to the greenhouse effect and environmental pollution, both of which are raising public concerns. The development of novel electrochemical...
Functionalization of glass fiber woven fabrics by indium tin oxide (ITO) coatings for electromagnetic wave absorption Daricioglu, Merve Ozdil; Durucan, Caner; Dericioğlu, Arcan Fehmi (2023-08-01) The effects of surface electrical conductivity and cascading order of ITO surface modified glass fiber woven fabrics (GFWF) on the electromagnetic (EM) behavior of hybrid type multilayered absorber structure were investiga...
Cr-added nickel sulfides as electrocatalysts for oxygen evolution reaction Uygur, Cansu Savaş; Aydınol, Mehmet Kadri (2023-04-01) Ni0.5-xCrxS compounds (x = 0, 0.02, 0.33) as electrocatalysts for oxygen evolution reaction (OER) were synthesized by a microwave-assisted route that provided an increased surface area. It was found that the OER performanc...
Flowers Like α-MoO3/CNTs/PANI Nanocomposites as Anode Materials for High-Performance Lithium Storage Kiran, Laraib; Aydınol, Mehmet Kadri; Ahmad, Awais; Shah, Syed Sakhawat; Bahtiyar, Doruk; Shahzad, Muhammad Imran; Eldin, Sayed M.; Bahajjaj, Aboud Ahmed Awadh (2023-04-01) Lithium-ion batteries (LIBs) have been explored to meet the current energy demands; however, the development of satisfactory anode materials is a bottleneck for the enhancement of the electrochemical performance of LIBs. M...
3D printing of Extracellular Matrix‐Based Multicomponent, All‐Natural, Highly Elastic, and Functional Materials Towards Vascular Tissue Engineering Isik, Melis; Karakaya, Ece; Arslan, Tugba Sezgin; Atila, Deniz; Erdogan, Yasar Kemal; Arslan, Yavuz Emre; Eskizengin, Hakan; Ercan, Batur; Nemutlu, Emirhan; Eylem, Cemil Can; D'este, Matteo; Okesola, Babatunde; Derkus, Burak (2023-04-01)
Effects of interlayer forms on the resistance welding performance of PAEK/CF thermoplastic composite laminates Marti, Ismail Baha; Kaynak, Cevdet (2023-03-01) The main purpose of this study is to investigate usability of resistance welding joining method for poly (aryletherketone) (PAEK) thermoplastic matrix/carbon fiber (CF) reinforced composite laminates (PAEK/CF). For this pu...
Triboelectric nanogenerators for blue energy harvesting in simulated wave conditions Demircioğlu, Onur; Çiçek, Melih Ögeday; Doğanay, Doğa; Gazaloglu, Gunay; Baykal, Cüneyt; Çınar, Simge; Ünalan, Hüsnü Emrah (2023-03-01) Energy harvesting gadgets gained momentum with the proposal of triboelectric nanogenerators (TENGs). They can be used to efficiently convert otherwise wasted surface and underwater waves into electricity to power marine-ba...
Effect of deposition parameters on optical and electrical properties of ZnO–In2O3–SnO2 thin films Can, Hilal Aybike; Öztürk, Tayfur; Akyıldız, Hasan (2023-02-15) A combinatorial study was carried out using a magnetron sputtering system to determine suitable ternary compositions of ZnO–In2O3–SnO2 (ZITO) thin films for optoelectronic applications. Samples were obtained on glass subst...
Investigation of magnetite particle characteristics in relation to crystallization pathways Kristiansen, Andreas Bogen; Church, Nathan; Uçar, Şeniz (2023-02-01) Intense research on magnetite nanoparticles and their synthesis methods stems from being ideal candidates for a variety of technological applications that use their unique magnetic properties. Strict control of the magneti...
Colloidal Stabilization of Submicron-Sized Zeolite NaA in Ethanol-Water Mixtures for Nanostructuring into Thin Films and Nanofibers Gözcü, Oğuz; Kayacı, H. Utkucan; Dou, Yibo; Zhang, Wenjing; Hedin, Niklas; Jasso-Salcedo, Alma B.; Kaiser, Andreas; Çınar, Simge (2023-01-10) Despite the growing use of organic or mixed solvents in zeolite processing, most studies focus only on aqueous suspension systems. We investigated the colloidal characteristics of submicron-sized zeolite NaA in mixed ethan...
Fabrication and in vitro characterization of antibacterial magneto-luminescent core-shell bioactive glass nanoparticles Unal, Fatma; Tasar, Cansu; Ercan, Batur (2023-01-01) When nanomaterials with antibacterial properties were sent to the infected area, it was predicted that infection and related complications could be prevented. The nanoparticles can be designed to possess magnetic and lumin...
Effect of compression precracking on near threshold region for AlSI 4340 steels considering compliance measurements Çalışkan, Salim; Gürbüz, Rıza (2023-01-01) Determining long crack threshold as a design criterion is not a new research topic; however, some anomalies because of different test methods in literature keep it voguish. Inaccurate estimations may result in considerable...
A Molecular Dynamics Study on the Local Structure of Al90Sm10 Marginal Metallic Glass and Liquid Sarıtürk, Doğuhan; Kalay, Yunus Eren (2023-01-01) The liquid and the amorphous Al90Sm10 marginal metallic glassy alloy are investigated using Molecular Dynamics. The Al90Sm10 system consisting of 32,000 atoms is simulated under the constant number of atoms, pressure, and ...
Influences of laser and plasma surface treatments on the primer paint adhesion for PPS/CF thermoplastic composite laminates Atlioglu, Merve; Kaynak, Cevdet (2023-01-01) For Poly(phenylene sulfide)/Carbon Fiber (PPS/CF) thermoplastic composite laminates, the main purpose of this study was to evaluate effects of “laser” and “plasma” surface treatments on the adhesion performance of primer p...

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