İSTE Yazarı "Günen, Ali" Araştırma Çıktıları | Scopus İndeksli Yayınlar Koleksiyonu İçin Listeleme
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Characteristics, high temperature wear and oxidation behavior of boride layer grown on nimonic 80A Ni-based superalloy
Günen, Ali; Döleker, Kadir Mert; Korkmaz, Mehmet Erdi; Gök, Mustafa Sabri; Erdoğan, Azmi (Elsevier, 2021)Nickel-based superalloy Nimonic 80A was pack-borided in a solid medium at temperatures of 850 degrees C and 950 degrees C for 2 h and 4 h using silicon-free boriding powders. To investigate the effects of the boriding ... -
Characteristics, high temperature wear and oxidation behavior of boride layer grown on nimonic 80A Ni-based superalloy
Günen, Ali; Döleker, Kadir Mert; Korkmaz, Mehmet Erdi; Gök, Mustafa Sabri; Erdoğan, Azmi (Elsevier, 2021)Nickel-based superalloy Nimonic 80A was pack-borided in a solid medium at temperatures of 850 degrees C and 950 degrees C for 2 h and 4 h using silicon-free boriding powders. To investigate the effects of the boriding ... -
Characterization and wear behavior of TiBC coatings formed by thermoreactive diffusion technique on AISI D6 steel
Kurt, Bülent; Özdoğan, Lütfullah; Güney, Bekir; Bölükbaşı, Ömer Saltuk; Günen, Ali (Elsevier, 2020)A two-step Thermo reactive diffusion processes (including an initial titatinizing step followed by boronizing) is proposed in order to obtain superhard complex TiBC coating layer on AISI D6 steel. Microstructural ... -
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 ... -
Determination of fracture toughness of boride layers grown on Co1.21Cr1.82Fe1.44Mn1.32Ni1.12Al0.08B0.01 high entropy alloy by nanoindentation
Günen, Ali; Makuch, Natalia; Altınay, Yasemin; Çarboğa, Cemal; Dal, Serkan; Karaca, Yusuf (Elsevier, 2022)Multiphase boride layers consisting of (CoFe)2B, (Fe0.4Mn0.6)B, Cr2Ni3B6 and (Cr0.4Mn0.6)B were formed on the surface of Co1.21Cr1.82Fe1.44Mn1.32Ni1.12Al0.08B0.01 high entropy alloy by powder-pack boronizing at 900 °C, 950 ... -
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 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, ... -
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 ... -
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 Cr Addition on Properties and Tribological Behavior at Elevated Temperature of Boride Layers Grown on Borosintered Powder Metallurgy Alloys
Günen, Ali; Bölükbaşı, Ömer Saltuk; Özgürlük, Yasin; Özkan, Derviş; Odabaş, Okan; Somunkıran, İlyas (Korean Institute of Metals and Materials, 2022)This study focused on chromium addition (0 wt%, 3 wt%, 6 wt%, 9 wt% and 12 wt%) on the boride layer formation, microhardness, fracture toughness and elevated temperature friction and wear behaviour of alloys formed by ... -
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 ... -
Effects of blanking speed on the shear surface of mild steel (St37)
Kanca, Erdoğan; Eyercioglu, Ömer; Karahan, İsmail Hakkı; Günen, Ali; Göv, Kürşad (Polish Academy of Sciences, 2016)Blanking operation is widely used to cut sheet or plates by a shearing process between punch and die. The process of shearing and the conditions of the sheared surface are influenced by the punch, the die, the speed of ... -
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 ... -
Friction and wear behavior of epoxy composite filled with industrial wastes
Erdoğan, Azmi; Gök, Mustafa Sabri; Koç, Vahdettin; Günen, Ali (Elsevier Sci Ltd, 2019)Waste utilization is an important alternative to reduce disposal costs, potential environmental pollution problems, decrement of natural resources and production costs. In this study, it is aimed to create a different usage ... -
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, ...