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Browsing Mühendislik Fakültesi by Subject "Materials Science"

Browsing Mühendislik Fakültesi by Subject "Materials Science"

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  • KEY ENGINEERING MATERIALS 
    Şen, Uğur; Şen, Şaduman; Yılmaz, Fevzi (TRANS TECH PUBLICATIONS LTD, 2004)
    In this work, some surface properties of ductile cast irons were improved by boronizing thermo-chemical process. Boronizing was performed in a slurry salt bath consisting of borax, boric acid and ferro-silicon at 850degreesC ...
  • KEY ENGINEERING MATERIALS 
    Okumuş, Sefer Cem (TRANS TECH PUBLICATIONS LTD, 2004)
    In this study, low pressure plasma spraying (LPPS) demonstrated as a viable technique to producing fine-grained samples from complex Mo-Si-B intermetallics. Microstructure and oxidation behavior of the coatings were studied.
  • KEY ENGINEERING MATERIALS 
    Bindal, Cuma; Zeytin, Sakin (TRANS TECH PUBLICATIONS LTD, 2003)
    In the present study, alumina ceramics containing 99% and 99.8% alumina, which has been studied and indicated reliable performance in vivo and vitro experiments for another ideas before this study, were subjected to the ...
  • KEY ENGINEERING MATERIALS 
    Şen, Şaduman; Şen, Uğur; Bindal, Cuma (TRANS TECH PUBLICATIONS LTD, 2004)
    The present study reports on boride layer growth kinetics of borided AISI 4140 steel. Steels were boronized in molten borax, boric acid and ferro-silicon bath at 1123degreesK 1173degreesK and 1223degreesK for 2, 4, 6 and ...
  • KEY ENGINEERING MATERIALS 
    Türk, Ahmet (TRANS TECH PUBLICATIONS LTD, 2004)
    In this study, low carbon steel substrate was coated with WC-Ni powder by using plasma spray process in order to increase the wear and corrosion resistance of the material. Wear tests were applied to the produced samples ...
  • Key Engineering Materials 
    Şen, Uğur (TRANS TECH PUBLICATIONS LTD, 2004)
    Thermo-reactive diffusion (N and V) on AISI 1020 steel has been obtained by an initial gas nitriding followed by vanadizing. Vanadizing was performed by pack method in the powder mixture consisting of ferro-vanadium, ...
  • KEY ENGINEERING MATERIALS 
    Toplan, Nil; Yılmaz, Fevzi (TRANS TECH PUBLICATIONS LTD, 2004)
    Plasma spraying, originally a surfacing technology used for ceramic coating of metal and non-metal substrates, is also suitable for the production of bulk ceramics, such as pipes, crucibles and sensors, etc. from various ...
  • KEY ENGINEERING MATERIALS 
    Türk, Ahmet (TRANS TECH PUBLICATIONS LTD, 2004)
    Ni-graphite coatings, due to their high hardness and chemical inertness, are often used as protective coatings against friction and corrosion. In this paper, the preparation of a nickel-graphite coating on mild steel ...
  • KEY ENGINEERING MATERIALS 
    Toplan, Hüseyin Özkan (TRANS TECH PUBLICATIONS LTD, 2004)
    Zinc oxide varistor has classically been prepared by conventional ceramic techniques. In this study, ZnO varistor powder with homogeneous distribution grain size and shape is prepared by both controlled chemical process ...
  • Kinetics of niobium carbide coating produced on AISI 1040 steel by thermo-reactive deposition technique 
    Şen, Uğur (ELSEVIER SCIENCE SA, 2004)
    There are a lot of technologically interesting characteristics of niobium carbide coating deposited by pack method which is the production of hard, wear-resistant, oxidation and Corrosion resistant coating layer on the ...
  • Low temperature formation of barium titanate in solid state reaction by mechanical activation of BaCO3 and TiO2 
    Fatih Apaydin; Tunç Parlak, Tuğba; Yıldız, Kenan (IOP PUBLISHING LTD, 2019)
    In this study, the effects of mechanical activation on BaTiO3 formation from BaCO3 and TiO2 powders were investigated. Differential thermal analysis (DTA), high-temperature x-ray diffraction (XRD), and Fourier transform ...
  • MATHEMATICAL MODELING OF A CEMENT RAW-MATERIAL BLENDING PROCESS USING A NEURAL NETWORK 
    Eğrisöğüt Tiryaki, Aysun; Kozan, Recep; Adar, Nurettin Gökhan (INST ZA KOVINSKE MATERIALE I IN TEHNOLOGIE, 2016)
    Raw-material blending is an important process affecting cement quality. The aim of this process is to mix a variety of materials such as limestone, shale, sandstone and iron to produce cement raw meal for the kiln. One of ...
  • Mechanical properties and electrochemical behavior of porous Ti-Nb biomaterials 
    Yılmaz, Eren; Gökçe, Azim; Fındık, Fehim; Hamit Ozkan Gulsoy; İyibilgin, Osman (ELSEVIER SCIENCE BV, 2018)
    Ti-Nb-based alloys - with their superior mechanical properties and biocompatibility - are attractive biomaterials for orthopedic implants. By producing this alloys with a porous structure, it is possible to achieve mechanical ...
  • Microstructural evaluation and characterization of solid-state reaction of B2O3 doped BaZrxTi1-xO3 ceramics 
    Kerim Emre Oksuz; Şen, Şaduman; Şen, Uğur (SPRINGER, 2015)
    0.5 wt. % B2O3 doped BaZrxTi1-xO3 ceramics (x = 0, 0.1, 0.2, 0.3, 0.4) were synthesized by adapting the solid-state synthesis method. B2O3 used as a sintering additive in the BT and BZT ceramics can vaporize easily at high ...
  • Microstructural, thermal and mechanical properties of HVOF sprayed Ni-Al-based bond coatings on stainless steel substrate 
    Türk, Ahmet (ELSEVIER SCIENCE SA, 2008)
    This work focuses on the microstructural, thermal and mechanical properties of NiAl coatings fabricated on 316L stainless steel substrates by using the high-velocity oxygen fuel (HVOF) method. With this regard, NiAl-based ...
  • Microwave-assisted biomimetic synthesis of hydroxyapatite using different sources of calcium 
    Türk, Serbülent; Altınsoy, İbrahim; Çelebi Efe, Gözde Fatma; İpek, Mümtaz; Özacar, Mahmut; Bindal, Cuma (ELSEVIER SCIENCE BV, 2017)
    In this study, some properties of biomimetic synthesized hydroxyapatite by using different sources of calcium were investigated. Biomimetic synthesis of hydroxyapatite was carried out in microwave oven using 1.5 simulated ...
  • Microwave-assisted biomimetic synthesis of hydroxyapatite using different sources of calcium 
    Türk, Serbülent; Altınsoy, İbrahim; Çelebi Efe, Gözde Fatma; İpek, Mümtaz; Özacar, Mahmut; Bindal, Cuma (ELSEVIER SCIENCE BV, 2017)
    In this study, some properties of biomimetic synthesized hydroxyapatite by using different sources of calcium were investigated. Biomimetic synthesis of hydroxyapatite was carried out in microwave oven using 1.5 simulated ...
  • Modeling of surface temperature distributions on powered e-textile structures using an artificial neural network 
    Senem Kursun Bahadir; Umut Kivanc Sahin; Kiraz, Alper (SAGE PUBLICATIONS LTD, 2019)
    An artificial neural network (ANN) model is constructed to derive the surface temperature of e-textile structures developed for cold weather clothing. A series of textile transmission lines made of different types of ...
  • Modelling and tracing the super plastic deformation process of 7075aluminium alloy sheet: use of finite element technique 
    Mimaroğlu, Abdullah; Ünal, Hüseyin (ELSEVIER SCI LTD, 2005)
    Super plastic forming (SPF) is a manufacturing process whereby certain materials under the correct conditions exhibit a large deformation without failure. In this field the existing analytical theory is far from perfect ...
  • Modelling the superplastic deformation process of 2024 aluminium alloys under constant strain rate: use of finite element technique 
    Mimaroğlu, Abdullah (ELSEVIER SCI LTD, 2003)
    In recent years, there is a considerable interest in the application of superplastic forming for the fabrication of complex parts in the aircraft and automobile industries. In this field, the existing analytical theory is ...