Yazar "Gök, Mustafa Sabri" için listeleme
-
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 ... -
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 ... -
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 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 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 ... -
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, ... -
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 ... -
Microstructure and mechanical properties of borided CoCrFeNiAl0.25Ti0.5 high entropy alloy produced by powder metallurgy
Erdoğan, Azmi; Günen, Ali; Gök, Mustafa Sabri; Zeytin, Sakin (Elsevier, 2021)CoCrFeNiAl0.25Ti0.5 high entropy alloy alloys (HEA), produced by powder metallurgy were subjected to boriding to improve their mechanical properties. Sintering was carried out at 1200 degrees C for 2 h in Ar, and boriding ... -
A new approach to sintering and boriding of steels "Boro-sintering": Formation, microstructure and wear behaviors
Erdoğan, Azmi; Kurşuncu, Bilal; Günen, Ali; Kalkandelen, Müge; Gök, Mustafa Sabri (Elsevier, 2020)In this study, sintering and boriding methods are applied as a single step, and it is aimed to gain time and economic advantage. For this purpose, powder mixtures prepared in suitable compositions were subjected to sintering ... -
Powder-pack boronizing of CoCrFeNiAl0.5Nb0.5 HEA: Modeling of kinetics, microstructural, mechanical, and tribological characterizations
Günen, Ali; Keddam, Murad; Sünbül, Sefa Emre; İçin, Kürşat; Döleker, Kadir Mert; Gök, Mustafa Sabri; Dal, Serkan; Erdoğan, Azmi (Elsevier, 2022)This study is dedicated to the detailed investigation of boronization kinetic, microstructural, mechanical, and wear properties of high entropy alloys (HEAs) considering their sluggish diffusion effect properties. A ... -
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, ... -
Properties and Tribologic Behavior of Titanium Carbide Coatings on AISI D2 Steel Deposited by Thermoreactive Diffusion
Kurt, Bülent; Günen, Ali; Kanca, Yusuf; Koç, Vahdettin; Gök, Mustafa Sabri; Kırar, Ersan; Askerov, Khangardash (Springer, 2018)In the present study, the metallographic, mechanical and tribologic behaviors of AISI D2 steel specimens coated with TiC through the titanizing process were investigated. The titanizing treatment was performed at the ... -
Properties and tribological performance of ceramic-base chromium and vanadium carbide composite coatings
Günen, Ali; Kurt, Bülent; Milner, Piers; Gök, Mustafa Sabri (Elsevier, 2019)In the current study, the surface of AISI D2 steel was coated with the powder blends of ferro-vanadium (Fe-V) and ferro-chromium (Fe-Cr). The coatings were performed using a thermo-reactive diffusion (TRD) treatment by the ...
