Browsing by Author "Günen, Ali"
Now showing items 1-20 of 32
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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 ... -
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 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 ... -
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 ... -
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 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 Different Arc Welding Processes on the Metallurgical and Mechanical Properties of Ramor 500 Armor Steel
Günen, Ali; Bayar, Selçuk; Karakaş, Mustafa Serdar (Asme, 2020)In the present study, Ramor 500 armor steel plates were automatically welded using cold metal transfer arc welding (CMT), gas metal arc welding (GMAW), and hybrid plasma arc welding (HPAW) methods. To investigate the effects ... -
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 ... -
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, ... -
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 ... -
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 ...
