Yazar "Günen, Ali" için listeleme
-
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 ... -
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), ... -
Farklı kaplama teknikleri ile kaplanmış duşlu masa rollerinin yüksek sıcaklık aşınma korozyon davranışlarının incelenmesi
Çürük, Ahmet (İskenderun Teknik Üniversitesi / Mühendislik ve Fen Bilimleri Enstitüsü / İleri Metalurji ve Malzeme Teknolojileri Mühendisliği Anabilim Dalı, 2017)Demir çelik sektörü Türkiye ve bölgemiz (İskenderun-Payas-Osmaniye) açısından büyük önem arz etmektedir. Bu çalışmada demir çelik endüstrisindeki sıcak haddeleme kademesinin önemli bir kısmı olan duşlu masa rollerinin ... -
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, ... -
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 ... -
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 ... -
Investigation on wear mechanisms of boronized AISI 4140 steel
Bozali, U.; Yaşar, Mustafa; Çetin, Melik; Çay, Vedat Veli; Günen, Ali (Scibulcom Ltd., 2017)In this study, AISI 4140 steel was subjected to box boronizing treatment at 1123 K, 1173 K and 1223 K for 2h, 4h, and 6h with commercially EKabor 2 powders. Friction and wear behaviour of the boronized and following worn ... -
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 ... -
Jominy testinin sonlu elemanlar yöntemiyle modellenmesi
Yürük, Soner (İskenderun Teknik Üniversitesi / Mühendislik ve Fen Bilimleri Enstitüsü / Makine Mühendisliği Anabilim Dalı, 2018)Malzemelere uygulanan ısıl işlemlerin modellenebilmesi günümüzde ticari yazılımlarla yapılmaktadır. Bu modellemeleri yapan ticari programlar, iş parçasının ısıl işlem sonrasındaki mekanik özellikleri ve tane yapıları ... -
Küresel grafitli dökme demirin yüzeyinde oluşturulan titanyum karbür kaplamaların aşınma ve korozyon davranışlarının incelenmesi
Soylu, Betül (İskenderun Teknik Üniversitesi / Lisansüstü Eğitim Enstitüsü / Metalurji ve Malzeme Mühendisliği Ana Bilim Dalı, 2022)Küresel grafitli dökme demirlerin çeliğe göre daha ekonomik üretilebilmesi ve düşük yoğunluğa sahip olmalarının yanında dökme demirin iyi bilinen yüksek dökülebilirlik, titreşimi sönüleme, yüklenme kapasitesi özelliklere ... -
Mechanical Properties and Corrosion Resistance of Borosintered Distaloy Steels
Turgut, Selvin; Günen, Ali (Springer, 2020)Distaloy SA is a sponge iron powder (nominal composition: Fe-1.75Ni-1.5Cu-0.5Mo) widely used in the production of powder metallurgy (P/M) parts in the automotive industry. In this study, Distaloy SA powders were sintered ... -
Micro-abrasion wear behavior of thermal-spray-coated steel tooth drill bits
Günen, Ali (Polish Academy of Sciences, 2016)Wear behavior of four kinds of thermally sprayed coatings on steel tooth drill bits have been investigated by micro-abrasion wear test. The fixed ball micro abrasion wear test was applied for bare substrate and for thermal ... -
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 ... -
Microstructural and Tribological Behavior of Pack-Borided Ni-Based Hastelloy C-276 Superalloy
Kanca, Yusuf; Uçgun, Mehmet Can; Günen, Ali (Springer, 2022)Although the toughness and corrosion resistance of Ni-based superalloys are high due to their face-centered-cubic structure, their surface hardness and, thus, wear resistance are not satisfactory. The boriding process is ... -
Microstructural characterization, boriding kinetics and tribo-wear behavior of borided Fe-based A286 superalloy
Günen, Ali; Keddam, Mourad; Alkan, Sabri; Erdoğan, Azmi; Çetin, Melik (Elsevier, 2022)Iron-based superalloys are alloys produced for use in corrosive environments as an alternative to high-cost nickel-based superalloys. However, their average strength and hardness, attributed to their austenitic structures, ... -
Microstructural, wear and corrosion characteristics of boronized AISI 904L superaustenitic stainless steel
Çetin, Melik; Günen, Ali; Kalkandelen, Müge; Karakaş, Mustafa Serdar (Elsevier, 2021)AISI 900 series stainless steels are considered as low-cost alternatives to nickel-based superalloys used for highly corrosive environments. However, in terms of mechanical properties, they have average strength and hardness ...