Mühendislik Fakültesi: Recent submissions

Now showing items 301-320 of 2863

Comparison of Corrosion Performance of Zn and Zn/Al 85/15 Coatings Produced by TWEA

Türk, Ahmet; Yılmaz, Fevzi; Üstel, Fatih (2011)
Effect of particle concentration on the structure and tribological properties of submicron particle SiC reinforced Ni metal matrix composite (MMC) coatings produced by electrodeposition

Uysal, Mehmet; Aslan, Serdar; Alp, Ahmet; Akbulut, Hatem; Uysal, Mehmet (ELSEVIER SCIENCE BV, 2012)

In the present work, a nickel sulfate bath containing SiC submicron particles between 100 and 1000 nm was used as the plating electrolyte. The aim of this work is to obtain Ni-SiC metal matrix composites (MMCs) reinforced ...
Properties and behavior of self-compacting concrete produced with GBFS and FA additives subjected to high temperatures

Uysal, Mücteba; Yılmaz, Kemalettin; İpek, Metin; Uysal, Mehmet; İpek, Mediha (ELSEVIER SCI LTD, 2012)

This paper presents an experimental investigation on the performance of self-compacting concrete (SCC) subjected to high temperatures. For this purpose, Portland cement was replaced with fly ash (FA) and granulated blast ...
The effect of mineral admixtures on mechanical properties, chloride ion permeability and impermeability of self-compacting concrete

Uysal, Mücteba; Yılmaz, Kemalettin; İpek, Metin; Uysal, Mehmet; İpek, Mediha (ELSEVIER SCI LTD, 2012)

The objective of this study was to evaluate the effectiveness of various mineral admixtures in producing self-compacting concrete (SCC). For this purpose, fly ash (FA), granulated blast furnace slag (GBFS), limestone powder ...
The effect of SiC addition on the crystallization kinetics of atmospheric plasma sprayed basalt-based coatings

Yılmaz, Şenol; Ercenk, Ediz; Şen, Uğur; Yılmaz, Saim (ELSEVIER SCI LTD, 2012)

The crystallisation kinetics of the conversion of a glass coating layer made from a mixture of natural basalt volcanic rock and SiC into glass-ceramic have been investigated. The process depends on the crystallisation ...
Effects of SiC Particle Size on Properties of Cu-SiC Metal Matrix Composites

Çelebi Efe, Gözde Fatma; Altınsoy, İbrahim; İpek, Mediha; Zeytin, Sakin; Bindal, Cuma (POLISH ACAD SCIENCES INST PHYSICS, 2012)

This paper was focused on the effects of particle size and distribution on some properties of the SiC particle reinforced Cu composites. Copper powder produced by cementation method was reinforced with SiC particles having ...
Synthesis of ZnO, SnO2 Nanoparticles and Preparation of ZnO-SnO2 Nanocomposites

Gültekin, Deniz; Güler, Mehmet Oğuz; Akbulut, Hatem (AMER SCIENTIFIC PUBLISHERS, 2012)

This article reports the preparation of ZnO-SnO2 nanocomposites from ZnO and SnO2 nanoparticles produced by homogenous precipitation route. Zinc acetate dihydrate (Zn(CH3COO)(2)center dot 2H(2)O) and tin(II) chloride ...
Thermal Expansion and Thermal Conductivity Behaviors of Al-Si/SiC/graphite Hybrid Metal Matrix Composites (MMCs)

Okumuş, Sefer Cem; Aslan, Serdar; Karslıoğlu, Ramazan; Gültekin, Deniz; Akbulut, Hatem (KAUNAS UNIV TECH, 2012)

Aluminum-silicon based hybrid composites reinforced with silicon carbide and graphite particles were prepared by liquid phase particle mixing (melt stirring) and squeeze casting. The thermal expansion and thermal conductivity ...
Formation of titanium aluminum nitride layers on AISI D2 steel by nitro-titanizing treatment

Şen, Şaduman (2012)
The effect of pre-setting pressure applied flexural strength and fracture toughness of reactive powder concrete during the setting phase

İpek, Metin; Yılmaz, Kemalettin; Uysal, Mücteba; İpek, Mediha (ELSEVIER SCI LTD, 2012)

In this study, the effect of pre-setting pressure on reactive powder concrete (RPC) was examined. The fresh (plastic) concrete samples were filled in a specified beam mould and six different pre-setting pressure values ...
Sol-Gel Synthesis of Nanostructured SnO2 Thin Film Anodes for Li-Ion Batteries

Köse, Hilal; Aydın, Ali Osman; Akbulut, Hatem (POLISH ACAD SCIENCES INST PHYSICS, 2012)

Sol-gel technique was employed to prepare semiconductor tin dioxide (SnO2) thin films. Comparatively, it gives an advantage over other techniques by its low reaction temperature, easy process and low cost. The effect of ...
Tribological properties of Ni3Al produced by pressure-assisted volume combustion synthesis

Özdemir, Özkan; Bindal, Cuma; Zeytin, Sakin (2012)
Effect of Silybum marianum on acute hepatic damage caused by carbon tetrachloride in rats

Öztürk, Mahpeyker; Akdoğan, Mehmet; I. Keskin; A. N. Kisioglu; S. Oztas; Yıldız, Kenan (SCIENTIFIC PUBLISHERS INDIA, 2012)

The study was designed to test the efficiency of of Silybum marianum in different doses to treat carbon tetrachloride (CCl4) induced liver damage. Thirty-five Wistar albino rats were divided randomly into five groups as ...
Porous ZnO Thin Films as Anode Electrodes for Lithium Ion Batteries

Güler, Mehmet Oğuz; Cevher, Özgür; Akbulut, Hatem (AMER SCIENTIFIC PUBLISHERS, 2012)

Zinc oxide (ZnO) nano structured thin films were prepared on Cr coated stainless substrates via a simple thermal chemical reactions vapor transport deposition method in air with a mixture of Zinc acetate anhydrate as ...
STUDY OF THE MICROSTRUCTURE AND OXIDATION BEHAVIOR OF YSZ AND YSZ/Al2O3 TBCs WITH HVOF BOND COATINGS

Erdoğan, Garip; Kahraman, Yaşar; Türk, Ahmet; Üstel, Fatih (2012)
STUDY OF THE MICROSTRUCTURE AND OXIDATION BEHAVIOR OF YSZ AND YSZ/Al2O3 TBCs WITH HVOF BOND COATINGS

Erdoğan, Garip; Kahraman, Yaşar; Türk, Ahmet; Üstel, Fatih (INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2012)

A significant improvement in efficiency has been achieved by using thermal barrier coatings (TBCs) in gas turbines and diesel engines. A typical TBC is a multilayered coating system that comprises an oxidation-resistant ...
Production of Sn/SnO2/MWCNT Composites by Plasma Oxidation After Thermal Evaporation from Pure Sn Targets Onto Buckypapers

Gültekin, Deniz; Akbulut, Hatem (AMER SCIENTIFIC PUBLISHERS, 2012)

In this study, tin/tinoxide/multi oxide/multi walled carbon nano tube (Sn/SnO2/MWCNT) composites were produced by thermal evaporation and then subsequent plasma oxidation. Buckypapers having controlled porosity were prepared ...
Nano Crystalline TiO2 Thin Films as Negative Electrodes for Lithium Ion Batteries

Aslan, Serdar; Güler, Mehmet Oğuz; Cevher, Özgür; Akbulut, Hatem (AMER SCIENTIFIC PUBLISHERS, 2012)

In this study, rutile (tetragonal, P42/mnm), anatase (tetragonal, I41/amd) polymorphs of titanium dioxide films were synthesized successfully magnetron sputtering of titanium films on stainless steel substrates followed ...
The Effect of Oxidants on the Formation of Multi-Walled Carbon Nanotube Buckypaper

Toçoğlu, Ubeyd; Cevher, Özgür; Güler, Mehmet Oğuz; Akbulut, Hatem (AMER SCIENTIFIC PUBLISHERS, 2012)

In the present study, we report the systematic investigation of the effect of chemical oxidation on the structure of multi-walled carbon nanotubes (MWCNTs) and multi-walled carbon nanotubes buckypaper. The chemical oxidation ...
Effect of Reciprocating Sliding Speed on the Tribological Performance of Nano SiCp Reinforced Ni-Metal Matrix Composites Produced by Electrocodeposition

Akbulut, Hatem; Aslan, Serdar; Alp, Ahmet (AMER SCIENTIFIC PUBLISHERS, 2012)

In the present work, Ni/SiC metal matrix composite (MMC) coatings were prepared from a modified Watt's type electrolyte containing nano-SiC particles by direct current (DC) plating method to increase wear resistance of the ...