Yazar "Günen, Ali" için Makale Koleksiyonu listeleme
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Boride Layer Growth Kinetics Of Aisi H13 Steel Borided With Nano-Sized Powders
Karakaş, Mustafa Serdar; Günen, Ali; Kanca, Erdoğan; Yılmaz, Emre (Polish Academy Sciences, Institute Metallurgy & Materials Sciences, 2018)Growth kinetics of boride layers in AISI H13 steel was investigated using the pack bonding method at temperatures of 1073, 1173 and 1273 K (800 degrees C, 900 degrees C and 1000 degrees C) for periods of 2, 4 and 6 h with ... -
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 ... -
A Comparative Study on the Effects of Different Thermochemical Coating Techniques on Corrosion Resistance of STKM-13A Steel
Günen, Ali; Kanca, Yusuf; Karahan, İsmail Hakkı; Karakaş, Mustafa Serdar; Gök, Mustafa Sabri; Kanca, Erdoğan; Çürük, Ahmet (Springer, 2018)The corrosion resistances of three different thermochemical coatings (grown using titanizing, boriding, and borotitanizing treatments) applied to STKM-13A steel surfaces were investigated. The coatings were characterized ... -
Determination of Barreling of Aluminum Solid Cylinders During Cold Upsetting Using Genetic Algorithm
Kanca, Erdoğan; Eyercioğlu, Ömer; Günen, Ali; Demir, Mehmet (UNIV FED RIO DE JANEIRO, LAB HIDROGENIO, 2019)This study presents Genetic Programming models for the formulation of barreling of aluminum solid cylinders during cold upsetting based on experimental results. The maximum and minimum radii of the barreled cylinders having ... -
Dry sliding wear behavior of bonded hot-work tool steel at elevated temperatures
Gök, Mustafa Sabri; Küçük, Yılmaz; Erdoğan, Azmi; Öge, Mecit; Kanca, Erdoğan; Günen, Ali (Elsevier Science, 2017)In the present study, the surface of AISI H13 hot-work tool steel was bonded with EKabor II powders using powder pack-bonding method. The process was carried out at 800,900 and 1000 degrees C temperatures for 2,4 and 6 h ... -
Effect of boronizing on microstructure, high-temperature wear and corrosion behavior of additive manufactured Inconel 718
Kayalı, Yusuf; Kanca, Erdoğan; Günen, Ali (Elsevier, 2022)In this study, Ni-based Inconel 718 coatings were additively manufactured on the surface of AISI H13 work tool steel by electro-spark deposition (ESD). Some of the electro-spark deposited samples were boronized at 1000 ? ... -
Effect of borotitanizing on microstructure and wear behavior of Inconel 625
Günen, Ali; Kanca, Erdoğan; Çakır, Hüseyin; Karakaş, Mustafa Serdar; Gök, Mustafa Sabri; Küçük, Yılmaz; Demir, Mehmet (Elsevier, 2017)Inconel 625, a nickel-based superalloy, is used in a wide range of applications including the marine and petroleum industries under where it is subjected to harsh conditions such as high temperatures and highly corrosive ... -
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 ... -
Effect of the boriding environment on the wear response of laser-clad AlCoCrFeNi high entropy alloy coatings
Günen, Ali; Lindner, Thomas; Karakaş, Mustafa Serdar; Kanca, Erdoğan; Töberling, Gerd; Vogt, Sabrina; Gök, Mustafa Sabri; Lampke, Thomas (Elsevier, 2022)Laser-clad AlCrFeCoNi high entropy alloy (HEA) coatings, produced on the surface of AISI 316 L stainless steel, were pack-borided at 1000 °C for 4 h in open air, high-purity Ar and vacuum environments. The HEA, which had ... -
Effect of thermal degradation on the properties and wear behavior of Cr−V−C composite coatings grown on ductile iron
Günen, Ali; Kanca, Erdoğan; Karakaş, Mustafa Serdar; Gök, Mustafa Sabri; Kalkandelen, Müge; Kurt, Bülent; Çetin, Melik; Karahan, İsmail Hakkı (Elsevier, 2021)The thermal fatigue behavior of chromium vanadium carbide (Cr - V - C) coatings and the wear of the coatings after thermal fatigue cycling was studied. The Cr - V - C coatings were grown on the surface of a ductile iron ... -
Farklı bor kimyasalları ile borlanmış Inconel 625 alaşımının karakterizasyonu
Günen, Ali; Kanca, Erdoğan (Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi, 2017)Bu çalışmada, nikel bazlı süper alaşımlar içerisinde endüstride yaygın olarak kullanılan Inconel 625 alaşımı 3 farklı borlama tozu ile borlanmıştır. Kullanılan borlama tozları, %90 elementel nano bor tozu + %10 NaBF4 (NB), ... -
High temperature wear behavior of the surface-modified externally cooled rolls
Günen, Ali; Kanca, Erdoğan; Karakaş, Mustafa Serdar; Koç, Vahdettin; Gök, Mustafa Sabri; Kanca, Yusuf; Çürük, Ahmet; Demir, Mehmet (Elsevier, 2018)Externally cooled rolls of a steel plant were coated using three different surface modification techniques, namely titanizing, boronizing and borotitanizing. The grown coatings were examined using optical microscopy, ... -
Investigations on machinability of Al2O3 reinforced Al6061 metal matrix composites
Kanca, Erdoğan; Günen, Ali (Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2016)In this study, six different MMCs containing Al6061 matrix and Al2O3reinforcements with particle sizes of 32 µm and 66 µm and weight fraction of 10%, 15% and 20% were produced using the vortex method. Machinability ... -
Microabrasion Wear Behavior of Fast-Borided Steel Tooth Drill Bits
Günen, Ali; Kanca, Erdoğan; Demir, Mehmet; Er, Yusuf; Sağlam, Gökhan; Gök, Mustafa Sabri (Taylor and Francis Inc., 2017)In this study, the surface of steel tooth drill bits (Ni-Cr-Mo based) was subjected to the solid-state boriding treatment with 10- to 50-nm nanoboron powder. Boriding processes were carried out at a constant temperature ... -
Microstructural and mechanical properties of friction stir welded pure lead
Günen, Ali; Kanca, Erdoğan; Demir, Mehmet; Çavdar, Faruk; Mıstıkoğlu, Selçuk; Çam, Gürel (National Institute of Science Communication and Information Resources (NISCAIR), 2018)The present study focuses on the applicability of friction stir welding to pure Pb plates. The joint performances are evaluated by optical microscopy, microhardness measurements, notch impact tests and three point bending ... -
Microstructure and mechanical properties of borided inconel 625 superalloy
Günen, Ali; Kanca, Erdoğan (Universidade Federal do Rio de Janeiro, 2017)The Ni-based superalloy Inconel 625 is extensively used owing to its high strength, excellent fabricability, good weldability and outstanding resistance to high temperature corrosion against aggressive environments. However, ... -
Microstructure, some mechanical properties and tribocorrosion wear behavior of boronized Al0.07Co1.26Cr1.80Fe1.42Mn1.35Ni1.10 high entropy alloy
Karakaş, Mustafa Serdar; Günen, Ali; Çarboğa, Cemal; Karaca, Yusuf; Demir, Mehmet; Altınay, Yasemin; Erdoğan, Azmi (Elsevier, 2021)High-entropy alloys (HEAs) with face-centered cubic (FCC) structures exhibit high toughness and corrosion resistance, but their average strengths and relatively low wear resistance can limit their engineering ap-plications. ... -
A Modeling Study on Surface Roughness of Spinneret Mold Sections Machined By WEDM
Kanca, Erdoğan; Taşkın, Volkan Cem; Günen, Ali (Sakarya University Journal of Science, 2019)The Wire Electrical Discharge Machining (Wire EDM) is widely used in the cutting of Bulk Continuous Filament (BCF) spinneret molds. Because of the low surface roughness of the spinneret molds obtained by the Wire EDM method, ... -
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 ... -
Properties and Corrosion Behavior of Chromium and Vanadium Carbide Composite Coatings Produced on Ductile Cast Iron by Thermoreactive Diffusion Technique
Günen, Ali; Kalkandelen, Müge; Karahan, İsmail Hakkı; Kurt, Bülent; Kanca, Erdoğan; Gök, Mustafa Sabri; Karakaş, Mustafa Serdar (ASME, 2020)Ductile iron (DI) owes many of its attractive mechanical properties to the graphite nodules in its structure. However, since galvanic coupling can occur between the graphite nodules and the matrix in aggressive environments, ...