• Influence of post processing on the mechanical properties and wear behavior of selective laser melted Co-Cr-Mo-W alloys 

  Varol, Temel; Aksa, Hüseyin Can; Yıldız, Fatih; Akçay, Serhatcan Berk; Kaya, Gürkan; Beder, Murat (Elsevier Ltd, 2024)

  In the study, the effect of laser energy density and post-processes (sintering, cold rolling, and hot rolling) on the properties of Co-Cr-Mo-W alloys fabricated by selective laser melting (SLM) are investigated. The samples ...

• Effect of thickness and melting temperature of phase change material integrated into exterior wall on building energy performance and CO2 emission reduction 

  İlgar, Gamze; Terhan, Meryem (Gazi Universitesi, 2024)

  In the study, the effect of phase change materials integrated into the building's external wall has been investigated in terms of material type, thickness, and melting temperature of phase change material on the building ...

• Waste Heat and Mass Recovery from Boiler Exhaust Gases in a New Generation District Heating System: Energy and Exergy Analysis 

  Terhan, Meryem (Institute for Ionics, 2023)

  The study performs energy and exergy analyses for each component such as boilers, buildings, distribution networks and heat exchangers of a new generation district heating system. Energy and exergy efficiencies are compared ...

• Wong-Zakai approximation for stochastic models of smoking 

  Sengul, Sueleyman; Bekiryazici, Zafer; Merdan, Mehmet (YILDIZ TECHNICAL UNIV, 2023)

  In this study, Wong-Zakai approximation method has been used to obtain approximate solutions for two compartmental models of smoking dynamics. Stratonovich stochastic differential equation systems are obtained for these ...

• Wear Resistance of Aluminum Alloy A356 After Thorough Anodic Oxidation 

  Başyipit, Aziz Bariş; Azakli, Zeki; Gümrük, Recep (Springer, 2023)

  The efficiency of thorough anodic oxidation of ASTM A356 aluminum alloy as an alternative to painting its surface is studied. Microstructure, phase composition, and microhardness of oxidized layers of various thicknesses ...

• Wear Behavior of Dental Restorative Materials 

  Sen, Sadri; Zamanlou, Hamid; Karabudak, Filiz; Sukuroglu, Ebru Emine (CHINESE SOC MECHANICAL ENGINEERS, 2023)

  Gradual wear of opposing teeth is a normal phenomenon in human dentition. There is a need for quality dental restorative materials to repair or replace natural teeth to ensure a higher quality of life through dental health. ...

• Strength Analysis in Bonded, Bolted and Bolted-Bonded Joints, Single Lap Joints, Metal/Composite Plates 

  Sadık, Ali; Karabudak, Filiz (Multidisciplinary Digital Publishing Institute (MDPI), 2023)

  Today, especially in many fields that require structural durability, such as the aerospace and automotive industries, there has been a need to use different bonding techniques separately or together in order to use materials ...

• The Effect of Surface Roughness on Fatigue Life in AZ31 Magnesium Alloy 

  Karabudak, Filiz; Şüküroğlu, Ebru Emine; Şüküroğlu, Süleyman; Yeşildal, Ruhi (Springer, 2023)

  Magnesium alloys have excellent properties such as high specific strength, rigidity, good damping, electromagnetic shielding, castability, and machinability. However, corrosion, creep, and fatigue resistance are generally ...

• Effect of Isothermal Treatment on Mechanical and Tribological Properties of Alloy Zn – 40% Al – 2% Cu – 2% Si 

  Savaşkan, Temel; Hekimoğlu, Ali Paşa; Azaklı, Zeki (Springer, 2023)

  The effect of isothermal exposure at temperatures from 100°C to 250°C for 8 hours on the structure, mechanical and tribological properties of the Zn – 40% Al – 2% Cu – 2% Si alloy produced by chill casting is studied. The ...

• Gyroscopic suspension for a heavy vehicle 

  Ünker, Faruk (Inderscience Publishers, 2023)

  In this study, an angular momentum generated by a flywheel gyroscope is performed as a suspension to prevent vehicle vibration. The frequency equations are derived and the optimal flywheel speed is obtained for vibration ...

• Enhanced wear resistance and surface properties of oxide film coating on biocompatible Ti45Nb alloy by anodization method 

  Şenaslan, Fatih; Taşdemir, Muharrem; Çelik, Ayhan; Bozkurt, Yusuf Burak (Elsevier B.V., 2023)

  β-Titanium alloys have become increasingly popular as biomaterials because of their low modulus of elasticity and superior corrosion properties in recent years. β-titanium alloy containing niobium is also a biocompatible ...

• Energy and economic assessments of waste heat recovery by designs of economizer, condensing economizer and air preheater 

  Terhan, Meryem; Özağdaş, Emre; Omar, Muhammed Arslan (Gazi Universitesi, 2023)

  In this study, the waste heat loss of flue gases from the boilers of Kafkas University district heating system has been calculated between 6-8% according to the combustion analysis and the annual cost of this heat loss has ...

• High-cycle fatigue and tensile strength of AZ91 Mg alloy with MAO-epoxy duplex coating 

  Karabudak, Filiz (Institute of Materials and Machine Mechanics, 2023)

  In this study, an epoxy layer was formed by the immersion process, on the oxide layer grown by the micro-arc oxidation (MAO) treatment of the AZ91 magnesium alloy, using the thin film sealing technology, and its effect on ...

• Effect of Plastic Deformation on the Mechanical Properties of Dual-Phase Steels Using Nanoindentation 

  Ekmekcİ, Dursun; Uşun, Altuğ; Cora, Ömer Necatİ (Springer, 2023)

  The mechanical properties of two advanced high-strength steels (AHSS), DP 1000 and DP 1200 dual-phase (DP) grades, under deformed and undeformed conditions, were investigated using nanoindentation, and the results were ...

• Comparison of Mechanical Properties Obtained for Armor Steels: Conventional Methods vs. Nanoindentation 

  Ekmekci, Dursun; Cora, Ömer Necati (ASTM International, 2023)

  The mechanical properties of three armor steels, namely Ramor 500, Ramor 550, and Armox Advance, were acquired by nanoindentation and conventional methods, and then the results were compared. To this goal, samples were ...

• Angular Momentum Control for Preventing Rollover of a Heavy Vehicle 

  Ünker, Faruk (Society of Automotive Engineers Turkey, 2022)

  In this article, gyroscopes and flywheels are used to prevent the rollover of a vehicle due to external forces. The rollover preventing performance of the flywheels for a heavy trailer (an inverted pendulum problem) is ...

• Investigation of used PCM-integrated into building exterior walls for energy savings and optimization of PCM melting temperatures 

  Terhan, Meryem; Ilgar, Gamze (Elsevier Ltd, 2023)

  In the study, the effects on the building's thermal energy performance of using two different phase change materials (PCMs) integrated into the exterior walls at various thicknesses and melting temperatures have been ...

• ENERGY, EXERGY ANALYSIS AND OPTIMIZATION OF INSULATION THICKNESS ON BUILDINGS IN A LOW-TEMPERATURE DISTRICT HEATING SYSTEM 

  Terhan, Meryem; Abak, Sena Saliha (YILDIZ TECHNICAL UNIV, 2023)

  In the study, energy and exergy analysis of the buildings on a campus in Turkey are conducted by using actual operating data and taking measurements in the district heating system as a case study. The energy and exergy ...

• Investigation of biodegradability of doped composite oxide coated AZ91 alloy in blood plasma 

  Şüküroğlu, Ebru Emine; Çelik, Ayşenur (Gazi University, 2022)

  Magnesium alloys; It is widely used in metallic biomaterials with its low toxic effect and biodegradability. Although these alloys help the formation of new tissues in the body, they provide great advantages over other ...

• Optimization insulation thickness and reduction of CO2 emissions for pipes in all generation district heating networks 

  Terhan, Meryem (SAGE PUBLICATIONS LTD, 2022)

  District heating systems are provided solutions for the increasing energy problems in high-population cities. Energy costs go up depending on increasing heat loss in DHS's distribution network. Heat loss from the network ...

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