• Effect of boriding on tribocorrosion behaviour of HSLA offshore mooring chain steel 

  Alkan, Sabri; Günen, Ali; Gülen, Mahir; Gök, Mustafa Sabri (Elsevier, 2023)

  This study explores the transformative potential of boriding to enhance the tribocorrosion resistance of mooring chain steel for offshore environments. The boride layers formed at various temperatures (800 degrees C, 900 ...

• Photovoltaic performance of magnetron sputtered antimony selenide thin film solar cells buffered by cadmium sulfide and cadmium sulfide/zinc sulfide 

  Cantaş, Ayten; Gündoğan, Seher Hazal; Türkoğlu, Fulya; Köseoğlu, Hasan; Aygün, Gülnur; Özyüzer, Lütfi (Elsevier, 2023)

  Antimony selenide (Sb2Se3)-based thin-film solar cells have recently attracted worldwide attention as an abundant, low-cost, and efficient photovoltaic technology. The highest efficiencies recorded for Sb2Se3 solar cells ...

• The effect of hexagonal boron nitride nanopowders addition on the mechanical behaviors of basalt fabric reinforced composites 

  Gümüş, Fatma Bakal; Yapıcı, Ahmet (Emerald Publishing, 2023)

  PurposeThe purpose of this paper is to investigate the effect of doping element on the structural, thermal properties, mechanical performance and the failure mechanism of hexagonal nano boron nitride (h-BN)-reinforced ...

• Enhancing of Tribological, Mechanical and Microstructural Properties of HVOF Coated AISI 316 Steel by Boriding 

  Erdoğan, Azmi; Günen, Ali; Özbek, Yıldız Yaralı; Gök, Mustafa Sabri (Springer, 2023)

  Boriding has been attempted to further improve the wear resistance of high-velocity oxygen fuel (HVOF) coatings, often used for corrosion, oxidation or wear resistant applications. For this purpose, different HVOF coatings ...

• Graphene nanoplatelet-reinforced high entropy alloys (HEAs) through B4C incorporation: structural, physical, mechanical, and nuclear shielding properties 

  Gül, Ali Oktay; Kavaz, Esra; Başgöz, Öyküm; Güler, Ömer; ALMisned, Ghada; Bahçeci, Ersin; Güler, Seval Hale; Tekin, Hüseyin Ozan (Springer, 2023)

  This study aims to explicate the diverse roles of high entropy alloys within nuclear environments. The study extensively investigates the impact of B4C on the structural, physical, mechanical, and nuclear shielding properties ...

• Sliding Wear and Friction Performance of Pack-Borided Co–28Cr–6Mo Alloy in Physiological Lubricants 

  Kanca, Yusuf; Gökçekaya, Özkan; Günen, Ali (Springer, 2023)

  The role of bovine calf serum (BCS) related to the functional performance of synovial fluid on the tribological behavior of borides grown on cobalt-28chromium-6molybdenum (Co-28Cr-6Mo) alloy used in orthopedic prostheses ...

• Entrainment effects on combustion and emission characteristics of turbulent non-premixed ammonia/air and methane/air swirl flames through a developed perforated burner 

  Şahin, Murat; İlbaş, Mustafa; Arslan, Büşra (Wiley, 2023)

  A fuel/oxidizer mixture can be burned using a colourless distributed combustion (CDC) process to obtain low emissions and homogeneous combustion. As an alternative way, a perforated burner can be designed to achieve ...

• Niobium Carbide Coatings Grown on Cold Work Tool Steel AISI D3 by Thermomechanical Processing: Characterization, Wear and Corrosion Behaviors 

  Günen, Ali; Açıkgöz, Hasan Hüseyin; Karahan, İsmail Hakkı (Springer, 2023)

  In this study, niobium carbide (NbC) coatings were grown on AISI D3 cold work tool steel via thermoreactive diffusion (TRD) at 900, 1000 and 1100°C for 2, 4, and 6 h. The microstructures and phase formed, the surface ...

• High-temperature corrosion and oxidation properties of borided CoCrFeNiAl0.5Nb0.5 HEA 

  Döleker, Kadir Mert; Özgürlük, Yasin; Gökçekaya, Özkan; Günen, Ali; Erdoğan, Azmi (Elsevier, 2023)

  This study is focused on a detailed investigation of high-temperature corrosion and oxidation behavior of borided CoCrFeNiAl0.5Nb0.5 HEAs, considering their use in advanced engineering applications. CoCrFeNiAl0.5Nb0.5 HEA ...

• Effect of powder-pack aluminizing on microstructure and oxidation resistance of wire arc additively manufactured stainless steels 

  Gürol, Uğur; Altınay, Yasemin; Günen, Ali; Bölükbaşı, Ömer Saltuk; Koçak, Mustafa; Çam, Gürel (Elsevier, 2023)

  This study investigated the effect of powder-pack aluminizing treatment on the high-temperature oxidation of ER307 stainless steel components fabricated by wire arc additive manufacturing (WAAM) during isothermal oxidation ...

• A Comparative Study on Characterization and High-Temperature Wear Behaviors of Thermochemical Coatings Applied to Cobalt-Based Haynes 25 Superalloys 

  Günen, Ali; Ergin, Ömer (MDPI, 2023)

  This study investigated the characteristic properties of aluminizing, boronizing, and boro-aluminizing coatings grown on Haynes 25 superalloys and their effects on the high-temperature wear behavior. The coating processes ...

• A response surface study on the grown behavior and some mechanical properties of niobium carbide coatings 

  Günen, Ali; Açıkgöz, Hasan Hüseyin; Çavdar, Faruk; Karahan, İsmail Hakkı (World Scientific, 2023)

  In this study, response surface methodology was used to examine the effects of temperature and time on the development of niobium carbide coatings on AISI D3 steel. The effect of niobizing temperature (900-1100C) and period ...

• Effect of boriding on high temperature tribological behavior of CoCrMo alloy 

  Öge, Mecit; Küçük, Yılmaz; Öge, Tuba Özdemi̇r; Günen, Ali; Kanca, Yusuf; Gök, Mustafa Sabri (Elsevier, 2023)

  In the present work, CoCrMo alloy surfaces were subjected to powder-pack boriding at 950 & DEG;C for 5-hour and 7 -hour treatment periods. The obtained boride layers were characterized with scanning electron microscopy, ...

• A new approach to improve some properties of wire arc additively manufactured stainless steel components: Simultaneous homogenization and boriding 

  Günen, Ali; Gürol, Uğur; Koçak, Mustafa; Çam, Gürel (Elsevier, 2023)

  Arc-directed energy deposition (Arc-DED), also commonly referred to as wire arc additive manufacturing (WAAM), is a cost-effective 3D metal additive manufacturing process in which large metallic parts can be produced due ...

• A comparative study on drillability of Inconel 625 alloy fabricated by wire arc additive manufacturing 

  Ceritbinmez, Ferhat; Günen, Ali; Gürol, Uğur; Çam, Gürel (Elsevier, 2023)

  In recent years, the cost-effective wire arc additive manufacturing (WAAM) method is increasingly replacing traditional production methods for Ni-based superalloys. However, the effect of high heat input and elemental ...

• Experimental analysis of hydrogen storage performance of a LaNi5-H2 reactor with phase change materials 

  Arslan, Büşra; İlbaş, Mustafa; Çelik, Selahattin (Elsevier, 2023)

  Energy storage, especially thermal energy storage, has an important place in terms of efficient use of energy. Systems in which phase change materials (PCMs) are used are among the thermal energy storage (TES) options, ...

• Investigation into the influence of boronizing on the wear behavior of additively manufactured Inconel 625 alloy at elevated temperature 

  Günen, Ali; Gürol, Uǧur; Koçak, Mustafa; Çam, Gürel (Springer, 2023)

  Directed energy deposition (DED) technology is a cost-effective additive manufacturing method widely used in the production of complex-shaped parts made of various engineering alloys as well as superalloys due to its ...

• Wire electric discharge machining and its effect on the surface finish of HfNbTaTiZr refractory high-entropy alloy 

  Ceritbinmez, Ferhat; Kanca, Erdoğan; Yünlü, Lokman; Patel, Kunjal; Akhtar, Mst Alpona; Mukherjee, Sundeep; Günen, Ali (Springer, 2023)

  Refractory high-entropy alloys (RHEAs) have high strength and hardness but limited plasticity at room temperature, making them challenging to process and shape using conventional techniques. In the current study, HfNbTaTiZr ...

• Investigation on impact and DWTT resistance at low temperatures in Nb and Ti micro alloy steels 

  Bölükbaşı, Ömer Saltuk; Keçeci, Cemre (Pamukkale Üniversitesi, 2023)

  Depending on the climatic conditions in which they are used, new generation petroleum pipe steels come up with the need for high strength and excellent toughness. During the transportation of oil and natural gas, these ...

• Ionization-induced optical heterogeneity and ion-like direct emission in 1-nm silicon nanoparticle grains: Prospect for fast optical modulation 

  Mantey, Kevin; Morgan, Huw; Nayfeh, Ammar; Bahçeci, Ersin; Nayfeh, Munir H. (American Institute of Physics Inc., 2022)

  Silicon, a highly symmetric and homogeneous material, does not exhibit fast optical modulation. Recent classical electrodynamics simulations, however, demonstrated transient optical heterogeneity in silicon nanostructures, ...

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