Browsing by Author "Günen, Ali"
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AISI D3 soğuk iş takım çeliği yüzeyinde niyobyum karbür kaplamalarının oluşturulabilirliği, aşınma ve korozyon davranışlarının incelenmesi
Açıkgöz, Hasan Hüseyin (İskenderun Teknik Üniversitesi / Lisansüstü Eğitim Enstitüsü / Metalurji ve Malzeme Mühendisliği Ana Bilim Dalı, 2023)Korozyon ve aşınma hasarları endüstriyel ekonomilere her yıl yüksek maliyetler getirmektedir. Aşınma ve korozyon hasarları esas olarak malzemelerin yüzey ve yüzeye yakın katmanlarının özellikleri ile ilgili olduğundan, ... -
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 ... -
Boriding influence on cyclic oxidation of CrFeMnNbNi high entropy alloy
Döleker, Kadir Mert; Günen, Ali; Erdoğan, Azmi (Elsevier, 2025)Boriding is often used to improve the wear resistance of metals and alloys and successful results are obtained. Although boriding increases the wear resistance in HEAs, it is also important to know the oxidation behavior, ... -
Borlanmış AISI H11 Takım Çeliğinin Kaplama Özellikleri ve Korozyon Oranının Makine Öğrenmesi Temelli Modellenmesi
Çavdar, Faruk; Günen, Ali; Sert,Mustafa (ÇUKUROVA ÜNİVERSİTESİ MÜHENDİSLİK FAKÜLTESİ, 2024)Due to the significant increases in hardness, wear, and corrosion resistance it provides, boronizing is one of the most commonly used thermochemical coating processes. In this study, the effect of process temperature and ... -
Challenges and opportunities in the production of magnesium parts by directed energy deposition processes
Çam, Gürel; Günen, Ali (KeAi Communications Co., 2024)Mg-alloys have gained considerable attention in recent years for their outstanding properties such as lightweight, high specific strength, and corrosion resistance, making them attractive for applications in medical, ... -
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 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 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 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 ... -
Comparison of drilling of Inconel 625 by AWJM and WEDM
Ceritbinmez, Ferhat; Günen, Ali (Emerald Publishing, 2024)PurposeThis study aims to comparatively analyze the cut parts obtained as a result of cutting the Ni-based Inconel 625 alloy, which is widely used in the aerospace industry, with the wire electro-discharge machining (WEDM) ... -
Çift katmanlı kaplanan inconel 625 alaşımının aşınma direncinin araştırılması
Çakır, Hüseyin (İskenderun Teknik Üniversitesi / Mühendislik ve Fen Bilimleri Enstitüsü / Makine Mühendisliği Anabilim Dalı, 2016)Nikel esaslı süperalaşımlar korozyon ve oksidasyona karşı dirençleri ile ön plana çıkmaktadır. Bundan dolayı bu alaşımlar yüksek sıcaklık ve korozitif ortam koşullarında sıklıkla tercih edilirler. Ni-bazlı süperalaşımların ... -
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 ... -
Dövme ve Eklemeli İmalat Yöntemiyle Üretilmiş Inconel 625 Alaşımların Termal Yöntemle Hızlı Delinmesinde Elektrot Aşınmasının İncelenmesi
Ceritbinmez, Ferhat; Günen, Ali; Gürol, Uğur; Çam, Gurel (Marmara Üniversitesi, 2023)Inconel grubu alaşımlar üretildikleri 1950’li yıllardan beri havacılık, uzay, nükleer, biyomedikal endüstrisi gibi ileri mühendislik uygulamalarında sıklıkla tercih edilmektedir. Bu alaşımların daha maliyet etkenli bir ... -
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 ...
