Yazar "Yılmaz, Serdar Osman" için listeleme
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Aisi 1040 Çelik Yüzeyinin Plazma Kaynak Yöntemi Kullanılarak Feti, Fecrc, Few Ile Kaplanması Ve Aşınma Dirençlerinin Tespit Edilmesi
Dalmış, İbrahim Savaş; Yılmaz, Serdar Osman; Eruslu, Özmen (Namık Kemal Üniversitesi, 2016)Bu çalışmada; FeCrC ve FeTi tozları Gaz Tungsten Ark Kaynak yöntemi (GTA) ile 2-3 mm derinliğinde AISI 1040 çelik üzerine farklı işlem parametreleri uygulanarak kaplandı. Kaplamalar 100, 110, 120, 130 ve 140 amperlik farklı ... -
Characterization of mechanically alloyed Fe based and MoNiAl+Al2O3 reinforced composites
Yılmaz, Serdar Osman; Teker, Tanju; Eker, Hüseyincan (Walter De Gruyter Gmbh, 2021)Fe-MoNiAl-Al2O3 powders were mechanically alloyed by a SPEX type attritor. The Fe based composite samples were reinforced with complex mechanically alloyed Fe-MoNiAl-Al2O3 particles in different ratios and Fe matrix ... -
Effect of carbides on the wear resistance of white cast iron alloyed with 12.7 wt.-% Cr and nickel
Yılmaz, Serdar Osman; Teker, Tanju (Carl Hanser Verlag, 2020)White cast iron with about 12.7 wt.-% chromium was alloyed with Ni, W and Mo for heat treatment applications. Heat treatments were performed at a range of 850-1050 degrees C for 1 h in order to distribute M7C3 carbides ... -
Effect of different rotational speeds on mechanical and metallurgical properties of friction welded dissimilar steels
Teker, Tanju; Yılmaz, Serdar Osman; Karakurt, Eyyüp Murat (Carl Hanser Verlag, 2018)In this study, effect of rotational speed on the characteristic microstructure and mechanic properties of the AISI 1030/AISI 420 stainless steel couple welded by friction welding method was experimentally investigated. The ... -
Effect of mechanical alloying on FeCrC reinforced Ni alloys
Yılmaz, Serdar Osman; Teker, Tanju; Demir, Fatih (Carl Hanser Verlag, 2016)Mechanical alloying (MA) is a powder metallurgy processing technique involving cold welding, fracturing and rewelding of powder particles in a high-energy ball mill. In the present study, the intermetallic matrix composites ... -
Effect of TiBAl inoculation and heat treatment on microstructure and mechanical properties of hypereutectic high chromium white cast iron
Yılmaz, Serdar Osman; Teker, Tanju (Elsevier Science Sa, 2016)Hypereutectic high chromium white cast iron alloys were produced with TiBAl (1-3 wt.%) inoculants. The heat treatments were applied to the samples as 1000 degrees C for 1 and 2 h. The microstructures of the samples were ... -
Effect of TiBAl inoculation on abrasive wear resistance of high Cr white cast iron
Teker, Tanju; Yılmaz, Serdar Osman; Kerkut, Erhan (Carl Hanser Verlag, 2019)High chromium white cast iron (HCrWCI) is generally used in applications requiring superior wear resistance. The alloys were inoculated with 1-3 wt.-% TiBAl to rearrange the crystallography of the carbides. The alloys were ... -
Experimental research on mechanism and process of direct iron making reduction of mechanically milling scale with coal
Yılmaz, Serdar Osman; Teker, Tanju (Elsevier Science Sa, 2015)This study delved into the fundamental mechanisms of a mill scale reduction. To achieve this objective, the DRI process was applied to facilitate the mechanical milling of coal-scale mixtures. Temperatures of 700-1000 ... -
GGG 50 küre grafitli dökme demirin Cr-Mo takviyesi ile aşınma direncinin iyileştirilmesi
Mandacı, İsmail (Tekirdağ Namık Kemal Üniversitesi, 2022)Proje kapsamında Molibden-Krom katkılı GGG50 malzemesi üretilip, bu malzeme belirli aşamalardan geçtiğinde, gerekli analiz, görüntüleme ve test sonuçları elde edildiğinde, küre grafitli dökme demirin değişken şartlarda ... -
Improvement of metallurgical properties of A356 aluminium alloy by AlCrFeSrTiBSi master alloy
Teker, T.; Yılmaz, Serdar Osman; Karakoca, Alper (Walter de Gruyter GmbH, 2023)A new AlCrFeSrTiBSi master alloy was manufactured by in situ synthesis in Al melt, and compared with AlBSr master alloy. Microstructures of A356 alloy modified with AlCrFeSrTiBSi master alloy were investigated, and the ... -
Inşaat çeliklerinde darbe kırılma enerjileri ve darbe geçiş sıcaklıklarının belirlenmesi
Çebi, Şenol (Tekirdağ Namık Kemal Üniversitesi, 2023)Bu çalışmada, TS EN ISO 148-1 ve ASTM E23 standartlarına uygun 290 J kapasiteli PLC kontrollü bir Charpy ve Izod darbe test makinesi tasarım ve imalatı gerçekleştirilmiştir. Araştırmada bu darbe test makinesi ile Türkiye'de ... -
Investigation on mechanical properties of solution strengthened and austempered ferritic ductile irons
Yılmaz, Serdar Osman; Teker, Tanju (Carl Hanser Verlag, 2020)The aim of this study was to investigate the influence of austempering on the mechanical properties of solution-strengthened ferritic cast ductile irons. The microstructural examinations of the samples were conducted using ... -
Joint performance of medium carbon steel-austenitic stainless steel double-sided TIG welds
Teker, T.; Aydın, S.; Yılmaz, Serdar Osman (Walter de Gruyter GmbH, 2023)AISI 1040 and AISI 304 steel plates of 10 mm were joined without pretreatment by double-sided TIG arc welding (DSAW). Joints were manufactured by using welding currents of 420, 440, and 460 A. The microstructural variations ... -
Kum döküm ile üretilen DIN X210Cr12 soğuk iş takım çeliklerinde ısıl işlemlerin abraziv aşınma dayanımına etkisi
Öztürk, Şükrü (Tekirdağ Namık Kemal Üniversitesi, 2022)Bu çalışmada kullanılan numuneler kum döküm yöntemi kullanılarak üretilmiştir. Üretilen numuneler, Mo (Molibden) takviyeli ve Mo takviyesiz olarak üretilmiştir. Üretilen numunelere farklı sıcaklık, bekleme süresi ve soğutma ... -
Metallurgical characterization of mechanically alloyed MoNiAl-WC reinforced Fe matrix composite
Teker, Tanju; Yılmaz, Serdar Osman (Carl Hanser Verlag, 2020)MoNiAl-WC reinforced Fe matrix composites were obtained by mechanical alloying. The effect of various reinforcement ratios on microstructure change, elemental characterization and phase transformation were examined by using ... -
MICROSTRUCTURE AND WEAR PROPERTIES OF FeCrC, FeW AND FeTi MODIFIED IRON BASED ALLOY COATING DEPOSITED BY PTA PROCESS ON AISI 430 STEEL
Teker, Tanju; Karataş, Selçuk; Yılmaz, Serdar Osman (Polska Akad Nauk, Polish Acad Sciences, Inst Metall & Mater Sci Pas, 2014)The plasma transferred arc (PTA) process was used for developing wear resistance of AISI 430 steel substrate. Appropriate quantities of FeCrC, FeW and FeTi powders were combined to create conditions that synthesized M7C3 ... -
A novel approach for composite wear plate fabrication by using vertical centrifugal casting
Özkaya, Mustafa; Dalmış, İbrahim Savaş; Yılmaz, Serdar Osman (Kauno Technologijos Universitetas, 2018)A novel approach of wear plate fabrication by vertical centrifugal casting was proposed and demonstrated in this paper. Wear plates were reinforced by the addition of M7C3 carbide particles during vertical centrifugal ... -
Östemper ısıl işleminin en GJS 650 ferritik sfero dökme demirin mekanik özelliklerine etkisinin araştırılması
Erbil, Demet (Tekirdağ Namık Kemal Üniversitesi, 2021)Bu çalışmada amaç çözelti sertleştirmesiyle mukavemetlendirilen ferritik küre grafitli dökme demirlerin mekanik özelliklerine östemper ısıl işleminin etkisini araştırmaktır. Numuneler Y-formunda ASTM A571M ye göre kum döküm ... -
Ötektiküstü yüksek kromlu beyaz dökme demirlerde Ce ve B elementlerinin mikroyapı üzerindeki etkileri
Kaya, Hasan (Tekirdağ Namık Kemal Üniversitesi, 2022)Bu çalışmada, yüksek kromlu beyaz dökme demire uygulanan ısıl işlemler ile aşınma dirençleri ve mikro yapıları incelenmiştir. Ötektiküstü yüksek kromlu beyaz dökme demirin Ce ve B elementleriyle alaşımlandırılarak ısı ve ... -
Sliding wear behavior of FeCrC reinforced and Ni-based composites produced by mechanical alloying technique
Yılmaz, Serdar Osman; Demir, Fatih; Teker, Tanju (Redakcia Kovove Materialy, 2018)The study presents the behavior of FeCrC particulates reinforced and Ni-based composites produced by a mechanical alloying process in the presence of friction and wear. Ni, Al and M7C3 powders having 100 mu m size were ...