Güncel Gönderiler: Teknoloji Fakültesi
Toplam kayıt 86, listelenen: 41-60
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Investigation of wear and adhesion behaviors of borided steels
(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
(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
(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
(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
(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
(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
(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
(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
(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]
(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
(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
(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
(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 ... -
Investigation of diffusion kinetics of plasma paste borided AISI 8620 steel using a mixture of B2O3 paste and B4C/SiC
(Springer, 2013)In the present study, AISI 8620 steel was plasma paste borided by using various B2O3 paste mixture. The plasma paste boriding process was carried out in a dc plasma system at temperatures of 973, 1023 and 1073 K for 2, ... -
Wear behaviour of plasma paste boronized of AISI 8620 steel with borax and B2O3 paste mixtures
(Elsevier, 2013)In the present study, AISI 8620 steel was plasma paste boronized (PPB) by using paste mixtures with different borax and B2O3 percentages. The PPB process was carried out in a DC plasma system at 973, 1023 and 1073 K for 5 ... -
The place of mind and heart, our individual differences, in education
(2014)Human universe is an entity that related. Creative education of the recipient of the first orders have to use compatible human heart and mind. The universe of Names in the form of the existence of to reach people with our ... -
The effect of voltage on the arc stud welding of microwave sintered Fe+Al powder mixture
(2014)The joining of powder metallurgy products is of importance because of high demand in many industrial applications. In this study, the effect of welding voltage on the joint quality has been investigated using discharge ... -
Demir esaslı intermetalik malzemelere paslanmaz çelik, çelik ve alüminyum saplamaların kondansatör deşarjlı saplama kaynağı ile birleştirilmesi
(Afyon Kocatepe Üniversitesi, 2013)Fe-Al intermetalik malzemeler, seramikler ve metallerin sahip olduğu karakteristik özelliklere sahip olan bir malzeme sınıfıdır. Yüksek sıcaklık dayanımı ve oksidasyon dirençleri intermetalik malzemeleri yüksek sıcaklıkların ... -
How improved to WC based hard materials
(Erzincan University, 31.12.2019)Tungsten carbide is known to have excellent corrosion resistance and high hardness within carbide ceramics. Due to their superior mechanical properties and wear resistance, tungsten carbide cutting tools containing Co ... -
Joining of microwave sintered Fe-26Al, Fe-30Al, Fe-26Al-14Ti and Fe-30Al-14Ti powder mixtures by diffusion bonding using Cu interlayer [Mikrodalga ile sinterlenmiş Fe-26Al, Fe-30Al, Fe-26Al-14Ti ve Fe-30Al-14Ti toz karişimlarinin Cu aratabakali difüzyon kaynaǧi ile birleştirilmesi]
(Gazi Üniv. Müh. Mim. Fak. Der., 2012)Bu çalışmada, mikrodalga sinterleme yöntemi ile 550 ○C de 1 saat süreyle sinterlenmiş Fe-26Al, Fe-30Al, Fe-26Al-14Ti ve Fe-30Al-14Ti toz karışımlarının, elektrolitik bakır aratabaka kullanılarak difüzyon kaynağı yöntemiyle ...