Yayın tarihi için Scopus İndeksli Yayınlar Koleksiyonu listeleme
Toplam kayıt 140, listelenen: 41-60
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Estimation of optimal laying period by hybrids of Hy-line brown production
(Ankara Üniversitesi, 2011)This research was conducted to determine the optimal laying period in commercial egg production. The research, which was carried out on 34900 Hy-line Brown chicks in a commercial enterprise, is completed between December ... -
An investigation on renewable energy education at the university level in Turkey
(2011)In the present study, to discover how teaching of renewable energy sources in Turkey is carried out at the university level, a questionnaire was developed and applied at different universities in Turkey. The analyses ... -
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 ... -
Adhesion and wear properties of boro-tempered ductile iron
(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 ... -
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 ... -
The examination of corrosion behaviors of HAP coated Ti implant materials and 316L SS by Sol-Gel method 1
(Pleiades Publishing, Ltd, 2011)In this research, hydroxyapatite (HAP) coatings have been produced on Ti, Ti6Al4V alloy and 316L stainless steel substrates by sol–gel method. (NH4) H2PO4 is taken as P precursor and Ca(NO3)2 4H2O is taken as Ca precursor ... -
The effects of employee empowerment on employee job satisfaction: A study on hotels in Turkey
(2011)Purpose – The main objective of this study is to determine the impact of employee empowerment on job satisfaction. To serve this purpose, empowerment is taken into consideration as two dimensions – i.e. behavioral and ... -
Diffusion bonding of electroless Ni plated WC composite to Cu and AISI 316 stainless steel
(2011)In this study, a composite containing WC (Tungsten Carbide) and Ni was produced by two different processing routes. Electroless Ni coated WC powders were consolidated and sintered at 1200 ◦C. Diffusion bonding couples of ... -
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 ... -
Methanol oxidation on Aluminium-Copper-Silicon alloys coated with polyprrole
(Pleiades Publishing, Ltd, 2012)Methanol oxidation on the aluminum copper silicon alloys which are coated with polyprrole were investigated in 1 N H2SO4 by using electrochemical method. For this purpose, first the current density potential curve of ... -
Corrosion behaviour of coatings on 304 steel
(ASIAN PUBLICATION CORPORATION, 2012)The aim of this study is to determine the corrosion characteristics of 304 steel by the methods of Tafel extrapolation, linear polarization and electrochemical impedance spectroscopy (EIS). The steel surface is covered ... -
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 ... -
Diffusion kinetics of borided AISI 52100 and AISI 440C steels
(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 ... -
On the design of an intelligent battery charge controller for PV panels
(EMaTTech Journals, 2012)The electricity generations of photo voltaic (PV) panels are strongly related with insolation and temperature. The insolation and temperature are not stable, since the electricity generations of the PV panels are not stable. ... -
On the investigation of the energy efficiency using PID and fuzzy logic controllers in a marble machine
(EMaTTech Journals, 2012)Energy consumption is the main cost item in the cutting machines with diamond segmented circular sawblade. Therefore, there are many benefits of taking measures for reducing the energy consumption. The aim of presented ... -
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 ... -
Corrosion behaviors of hydroxyapatite coated by electrodeposition method of Ti6Al4V, Ti and AISI 316L SS substrates
(Pleiades Publishing, Ltd, 2013)Electrodeposition method was used to obtain hydroxyapatite (HAP) coatings on Ti6Al4V, Ti and AISI 316L SS substrates. Electrodeposition solution is prepared as Ca(NO3)2 ⋅ 4H2O and (NH4)H2PO4. Additionally, three different ... -
On the fine spectrum of the upper triangle double band matrix Δ+ on the sequence space c0
(2013)In this study, we determine the fine spectrum of the matrix operator ∆+ defined by an upper triangle double band matrix acting on the sequence space c_0 with respect to the Goldberg’s classification. As a new development, ... -
The examination of Afyonkarahisar's geothermal system corrosion
(ASM International, 2013)Corrosion and scaling of metal surfaces are the major problems caused by geothermal fluids when metallic structures are used. This article describes a study of corrosion and scaling problems in the Afyonkarahisar Geothermal ... -
Experimental and statistical evaluation of cutting methods in relation to specific energy and rock properties
(Springer, 2013)In a processing plant, natural stone can be cut by methods such as circular sawing (CS), frame sawing (FS), water jet cutting (WJC) and abrasive water jet cutting (AWJC). The efficiency of cutting systems can be compared ...