• Boride layer growth kinetics of the borided high alloyed steels 

  Güneş, İbrahim (Oxidation Communications, 2015)

  In this study, the case properties and diffusion kinetics of high alloyed cold work tool steel borided in Ekabor-2 powder were investigated by conducting a series of experi-ments at temperatures of 1123, 1173 and 1223 K ...

• Investigation of mechanical properties of boro-tempered ductile iron 

  Kayalı, Yusuf; Taktak, Şükrü; Ulu, Sinan; Yalçın, Yılmaz (Elsevier, 2010)

  In this study, the effects of boro-tempering heat treatment on mechanical properties of ductile iron were investigated. Standard tensile test samples and unnotched Charpy specimens were boronized at 900 °C for 1, 3 and 5 ...

• Adhesion and wear properties of boro-tempered ductile iron 

  Kayalı, Yusuf; Yalçın, Yılmaz; Taktak, Şükrü (Elsevier, 2011)

  In this study, adhesion and wear properties of boro-tempered ductile iron (BDI) were investigated. Boro-tempering was carried out on two stage processes i.e. boronizing and tempering. At the first stage, ductile iron samples ...

• Diffusion kinetics of borided AISI 52100 and AISI 440C steels 

  Kayalı, Yusuf; Güneş, İbrahim; Ulu, Sinan (Elsevier, 2012)

  In this study, the case properties and diffusion kinetics of AISI 440C and AISI 52100 steels borided in Ekabor-II powder were investigated by conducting a series of experiments at temperatures of 1123, 1173 and 1223 K for ...

• Wear and corrosion behaviour of borided and nitrided m2 high speed steel 

  Kayalı, Yusuf (Journal of the Balkan Tribological Association, 2013)

  Boriding and nitriding lead to improved tribological and corrosive properties of M2 high speed steel. Boronising treatment was carried out in Ekabor-II powders at the process temperature of 950 degrees C for 4 h. Gas ...

• Analysis with taguchi method of wear behaviors of borided AISI 52100 steels 

  Kayalı, Yusuf; Gökçe, Barış; Mertgenç, Ersan; Çolak, Fatih; Kara, Rıza (Journal of The Balkan Tribological Association, 2013)

  In this study, case properties and analysis of wear behaviour of borided AISI 52100 steel with the Taguchi method were investigated by conducting a series of experiments in Ekabor-II powders at process temperatures of 850, ...

• Characterization and Rockwell-C adhesion properties of chromium-based borided steels 

  Kayalı, Yusuf; Taktak, Şükrü (Journal of Adhesion Science and Technology, 2015)

  In this study, adhesion properties of boride layers formed on the surface of AISI 52100, AISI 5140, AISI 440C, AISI 420 and AISI 304 steels were investigated. Boronizing treatment was carried out in Ekabor-II powders at ...

• Investigation of wear and adhesion behaviors of borided steels 

  Kara, Rıza; Çolak, Fatih; Kayalı, Yusuf (Springer, 2016)

  In this study, AISI P20, H13 and D2 steels were pack borided at 900 and 950 °C for retention times of 2, 4 and 6 h. The boride layer thickness values changed depending on the chemical composition of the steels. The hardness ...

• Borlanmış inconel alaşımının korozyon, temas açısıları, tribolojik özelliklerinin incelenmesi 

  Güneş, İbrahim; Yıldız, İsmail; Uygunoğlu, Tayfun; Evcin, Atilla; Aslantaş, Kubilay; Çelik, Atila Gürhan; Pehlivan, Melikhan; Mavi, Tuğce; Katip, Cem Tolga (4 th International Conference on Engineering Technology and Applied Sciences, 2019)

  Bu çalışmada, borlanmış Inconel alaşımının korozyon, temas açıları ve tribolojik özellikleri incelenmiştir. Borlama sonrası numuneler elektrik rezistanslı fırında 900○C'de 1 saat bekeltilerek sinterlemiştir. Aşınma deneyleri ...

• Borlanmış sementasyon çeliğinin tribolojik özelliklerinin incelenmesi 

  Güneş, İbrahim; Çelik, Atila Gürhan (El-Cezerî Fen ve Mühendislik Dergisi, 2019)

  Bu çalışmada farklı B2O3/SiC/B4C pasta karışımlarında plazma pasta borlanmış sementasyon çeliğinin yüksek yük altındaki aşınma davranışları inceleniştir. Plazma borlama işlemi vakum altında 10 mbar işlem basıncında, H2 ve ...

• Investigation of corrosion behavior of borided gear steels 

  Güneş, İbrahim; Erdoğan, Muzaffer; Dalar, Alper (Springer, 2014)

  In this study, corrosion behaviors of GS18NiMoCr36 (GS 18) and GS32NiCrMo6.4 (GS 32) gear steels borided in Ekabor-II powder at the temperature of 950 °C for 2 and 6 h were investigated in a 6 % M HCI acid solution. The ...

• Effect of sliding speed on friction and wear behaviour of borided gear steels 

  Güneş, İbrahim; Dalar, Alper (Journal of the Balkan Tribological Association, 2014)

  In this study, the wear behaviour of GS18NiMoCr36 (GS18), GS22NiMoCr56 (GS22) and GS32NiCrMo6.4 (GS32) gear steels borided in Ekabor-II powder was investigated by conducting a series of experiments at temperatures ...

• Kinetics of borided gear steels 

  Güneş, İbrahim (Springer, 2013)

  In this study, the case properties and diffusion kinetics of GS18NiMoCr36 (GS18), GS22NiMoCr56 (GS22) and GS32NiCrMo6.4 (GS32) gear steels borided in Ekabor-II powder were investigated by conducting a series of experiments ...

• %3,0 Mg içeren borlanmış Co-Mg alaşımının yüzey özelliklerinin incelenmesi 

  Yıldız, İsmail; Güneş, İbrahim (El-Cezerî Fen ve Mühendislik Dergisi, 2019)

  Bu çalışmada, %97 Co ve %3 Mg içeren Co-Mg alaşımına borlama işlemi gerçekleştirilmiştir. Co-Mg alaşım malzemesini üretmek için toz metalurjisi (TM) yöntemi kullanılmıştır. Bu yöntemde, Co ve Mg metal tozları kapalı ...

• Kinetics of plasma paste boronized AISI 8620 steel in borax paste mixtures 

  Güneş, İbrahim; Şükrü, Taktak (Springer, 2013)

  In the present study, AISI 8620 steel was plasma paste boronized by using various borax paste mix tures. The plasma paste boronizing process was carried out in a dc plasma system at a temperature of 973, 1023 and 1073 K ...

• Investigation of surface properties and wear resistance of borided steels with different B4C mixtures 

  Güneş, İbrahim; Kayalı, Yusuf (Niscair, 2012)

  Boriding is a thermo-chemical surface hardening treatment applied to iron based materials. This treatment is performed by boron element diffusing into iron based materials at high temperatures. Wear resistance increases ...

• Surface characterization of pack and plasma paste boronized of 21NiCrMo2 steel [Kutu ve plazma pasta borlanmiş 21NiCrMo2 çeliǧinin yüzey karekterizasyonu] 

  Şükrü, Taktak; Güneş, İbrahim (Journal of the Faculty of Engineering and Architecture of Gazi University, 2012)

  In the present study, 21NiCrMo2 steel were plasma paste boronized by using 100 wt.% B2O3, 70 wt.% B2O3 + 30 wt. % SiC, 70 wt.% B2O3 + 30 wt.% B4C, 30 wt. % B2O3 + 70 wt.% SiC, 30 wt.% B2O3 + 70 wt.% B4C pastes. This steel ...

• Investigation of tribological behaviour of plasma paste boronized of AISI 8620, 52100 and 440C steels 

  Güneş, İbrahim; Ülker, Şükrü (Niscair, 2011)

  In the present study, AISI 8620, 52100 and 440C steels were plasma paste boronized (PPB) by using 100% borax paste. PPB process was carried out in a dc plasma system at temperature of 700 and 800 °C for 3 and 5 h in a gas ...

• Plasma paste boronizing of AISI 8620, 52100 and 440C steels 

  Güneş, İbrahim; Ülker, Şükrü (Elsevier, 2011)

  In the present study, AISI 8620, 52100 and 440C steels were plasma paste boronized (PPB) by using 100% borax paste. PPB process was carried out in a dc plasma system at temperature of 700 and 800 °C for 3 and 5 h in a gas ...

• Effect of N2 + H2 gas mixtures in plasma nitriding on tribological properties of duplex surface treated steels 

  Güneş, İbrahim; Ülker, Şükrü; Yalçın, Yılmaz (Elsevier, 2008)

  Thermo-reactive diffusion chromizing followed by pulsed plasma nitriding were carried out on AISI 52100 and 8620 bearing steels. The chromized samples were pulse-plasma nitrided for 5 h at 500 °C in various N2–H2 gas ...

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