Yayın tarihi için Makale Koleksiyonu listeleme
Toplam kayıt 126, listelenen: 1-20
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Investigations on machinability of Al2O3 reinforced Al6061 metal matrix composites
(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 ... -
Structure Effect on K Shell Fluorescence Parameters at Bis-4-Bromobenzyl-1,2,4-Triazol-3-Ones
(Office Spectroscopy and Spectral Analysis, 2016)In this study; the effect of the electron density over the Br atoms raising with increasing number of CH2 group using the results of the K X-ray cross-sections and average fluorescence yields of bromine in quaternary-imidazole ... -
Numerical thickness optimization study of CIGS based solar cells with wxAMPS
(Elsevier GmbH, 2016)In this paper, a numerical investigation of the effects of thickness of absorber and buffer layers for a typical CIGS based solar cell was carried out for the first time, employing the wxAMPS software which is a new ... -
L-1, L-2, and L-3 subshell fluorescence yields: Updated database and new empirical values
(Elsevier, 2016)In this paper, a summary of experimental data published in the period of time between 1955 to february-2016 was presented in a tabular form for L, subshell fluorescence yields (omega(L1), omega(L2) and omega(L3)) taken ... -
SILAR yöntemi ile üretilen CuO filmlerin yapısal, morfolojik ve optik özelliklerine ikili katkılamanın (Zn, Li) etkisi
(Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2016)Bu çalışmada katkısız CuO ve farklı konsantrasyonlarda Li-katkılı Li-ZnCuO filmler cam altlıklar üzerine SILAR yöntemi ile başarılı bir şekilde büyütüldü. Üretilen bu filmler metalurjik mikroskop (MM), X-ışını kırınımı ... -
Investigation on wear mechanisms of boronized AISI 4140 steel
(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 ... -
Dry sliding wear behavior of bonded hot-work tool steel at elevated temperatures
(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 ... -
Exergy and performance analysis of a CI engine fuelled with HCNG gaseous fuel enriched biodiesel
(Inderscience Enterprises Ltd., 2017)Soybean oil based fatty acid methyl ester (FAME) is produced and blended with diesel fuel at 25% volumetric ratio. Besides, pure hydrogen (H2) and compressed natural gas (CNG) mixture named HCNG fuel is used with 20 litres ... -
Aromatic thermosetting copolyester foam core and aluminum foam face three-layer sandwich composite for impact energy absorption
(Elsevier, 2017)In this work, we introduce a three-layer sandwich composite structure having an aromatic thermosetting copolyester (ATSP) foam core with two aluminum foam face layers joined together by an in situ generated foaming mechanism. ... -
Microstructure and mechanical properties of borided inconel 625 superalloy
(Universidade Federal do Rio de Janeiro, 2017)The Ni-based superalloy Inconel 625 is extensively used owing to its high strength, excellent fabricability, good weldability and outstanding resistance to high temperature corrosion against aggressive environments. However, ... -
Microabrasion Wear Behavior of Fast-Borided Steel Tooth Drill Bits
(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 ... -
Performance of two low-cost GPS receivers for ground speed measurement under varying speed conditions
(Springer, 2017)A global positioning system (GPS) receiver is an important sensor used in modern farming, particularly in precision agriculture to determine geographic location and ground speed. The aim of this study was to investigate ... -
The investigation of K-shell fluorescence parameters of Zn-Fe alloys with different grain size and microstrain values
(Wiley, 2017)It is known that zinc alloys with iron group metals have better corrosion resistance than pure zinc. Owing to the corrosion resistance of these alloys, Zn-Fe coatings are widely used in automotive industry and have excellent ... -
Effect of borotitanizing on microstructure and wear behavior of Inconel 625
(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 ... -
Farklı bor kimyasalları ile borlanmış Inconel 625 alaşımının karakterizasyonu
(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), ... -
The Investigation of K Shell X-Ray Fluorescence Parameters for Sulphur Atom in Different 1, 2, 4-Triazoles
(Office Spectroscopy and Spectral Analysis, 2017)The measurement of K shell fluorescence parameters is an easy and practical way to investigate the electronic structures of elements in alloys, compounds or complexes. Since the number of valence electrons will change the ... -
St 22 Çeliğinin Derin Çekilebilirliğine Etki Eden Parametrelerin ANOVA ile Analizi
(2018)Bu çalışmada soğuk haddelenmiş ve ardından galvanizlenmiş St 22 çeliğininkimyasal bileşimi, soğuk haddeleme öncesindeki sac kalınlığı ve mekaniközellikleri (akma ve çekme gerilmesi, % uzama) ile soğuk haddeleme ezmeoranının ... -
High temperature wear behavior of the surface-modified externally cooled rolls
(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, ... -
Experimental and theoretical study of ultraviolet-induced structural/optical instability in nano silicon-based luminescence
(American Institute of Physics Inc., 2018)Nano silicon is emerging as an active element for UV applications due to quantum confinement-induced widening of the Si bandgap, amenability to integration on Si, and less sensitivity to temperature. NanoSi-based UV ... -
A Comparative Study on the Effects of Different Thermochemical Coating Techniques on Corrosion Resistance of STKM-13A Steel
(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 ...
