Browsing by Author "Altıntaş, Sabri."

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  • A computer simulation study of dislocation motion in the modified Frenkel-Kontorova model 
    Tepebağ, Bülent. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1982., 1982.)
    In this thesis, the motion and vibration characteristics of edge dislocations are investigated. Topics included, are shear stress-dislocation velocity relation; effects of model parameters and phenomenological damping on ...
  • A system of cracks in an elastic half-plane 
    Alnıak, M. Oktay. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
    The plane elastostatic problem of an isotropic elastic half-plane containing an arbitrary system of cracks is considered. Fourier transform technique is employed to obtain the edge dislocation solutions. Using the edge ...
  • Bacterial adhesion to solid surfaces and its prevention by the application of silver 
    El-Soufi, Wassim Mohamad Amine. (Thesis (M.S.) - Bogazici University. Institue of Biomedical Engineering, 2001., 2001.)
    Silver, under different forms, has been proved effective for the elimination of bacteria and other microorganisms from liquid mediums, solutions and solid materials used in industrial, sanitary, and biomedical fields, such ...
  • Biomedical design for improving the primary stability of dental implants in poor bone quality 
    Sözkes, Sarkis. (Thesis (M.S.)-Bogazici University. Institute of Biomedical Engineering, 2010., 2010.)
    Like so many other discoveries, clinically reliable dental implants were preceded by a serendipitous observation, rather than a logical chain of experiments, leading to the final product. In an attempt to film the ...
  • Calculation of stress intensity factor in an orthotropic strip and plate using stress fields of edge dislocations 
    Gürer, Timuçin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1983., 1983.)
    In this study the general elastostatic problem for an orthotropic strip containing cracks perpendicular to its boundaries is considered. Appropriate superposition of stress field solutions of edge dislocations together ...
  • Characterization of NiMnGa magnetic shape memory alloys 
    Pirge, Gürsev. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    Magnetic shape memory (MSM) alloys are a new class of actuator materials withhigh actuation frequency, energy density and strain and they can be used in themanufacturing of actuators, smart structures, sensors and transducers. ...
  • Combined tension and torsion testing of aluminum and polyethylene 
    Korkmaz, Sami. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    In this study, the plastic deformation behaviour of five different types of materials have been investigated by performing combined telsion and torsion experiments on thin-walled tubular specimens. The effects of annealing, ...
  • Comparison of mechanical properties of semi solid forming and hot forming and hot forming of A356 aluminum alloy 
    Doğruyol, Erhan. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    Thixoforming is a forming technology to produce near net shaped complex partswith high mechanical properties especially for automotive industry. The process is based on a discovery made at MIT in the early 1970s. The ...
  • Core-shell PVA / gelatin nanofibrous scaffolds using multinozzle aqueous electrospinning 
    Şengör, Mustafa. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Biological scaffolds have been used in the reconstruction of the damaged tissues. They have similar morphology and structure to the host tissues. However, they can be produced using materials that can be harmful to humans ...
  • Deposition and characterization of metal doped diamond like carbon (Me(Ti, Nb)-DLC) films 
    Uğur, Deniz. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In today’s world, sustainable development and green technology concepts are pronounced more than ever, which force tighter efficiency measures and implementation of energy saving solutions to every applicable system. Wear ...
  • Effects of Al2O3, ZrO2, and TiO2 ceramic additives on the sintering and mechanical properties of natural hydroxyapatite 
    Özden, İlker. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Hydroxyapatite (HA) is considered as the most appropriate ceramic material for implantation due to its close chemical and crystallographic resemblance to mineral part of vertebrates‟ bone and tooth, excellent biocompatibility, ...
  • Effects of calcination and particle size on the sintering of natural hydroxyapatite 
    İpekoğlu, Mehmet. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    The aim of this thesis was to investigate the best suitable method for the production of hydroxyapatite from fresh bone and to determine the effects of reducing the particle size of the hydroxyapatite powder on the ...
  • Effects of extrusion parameters on the mechanical properties of aluminum 
    Karahan, İsmail. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    The effects of some extrusion parameters, extrusion ratio and initial billet temperature, on the structure and mechanical properties of aluminum are examined. Initial billet temperature and extrusion ratio determine the ...
  • Effects of low-frequency vibration on mechanical properties and microstructure of aluminium eutectics 
    Baybalı, Süheyl. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1984., 1984.)
    In this study, the effects of low-frequency vibration on mechanical properties and microstructure of aluminium eutectics, Al-% 33 Cu, Al-% 12.6 Si, Al-% 5.7 Ni, were investigated. A brief rewiev of the eutectic solidifying ...
  • Effects of titanium and boron additions on the microstructure and mechanical properties of aluminum castings 
    Akagündüz, M. Bülent. (Thesis (M.S.)- Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    In this study, the production of various master alloys (Grain refiners) and their effects on the microstructure and mechanical properties of aluminum alloys such as Etial-7(1070), Etial-5(1050) and Etial-60 (6063) are ...
  • Electrospinning of polycaprolactone / bovine gelatin / bovine hydroxyapatite biomimetic composite nanofibers 
    Akalın, Güneş Ece. (Thesis (M.A.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    In this study, Polycaprolactone (PCL) / Bovine Gelatin (GE) / Bovine Hydroxyapatite (BHA) biomimetic composite nanofiber scaffolds are manufactured for bone tissue regeneration applications by electrospinning. By controlling ...
  • Fabrication and characterization of Al, AlMgSi, and AlSi foams 
    Mahmutyazıcıoğlu, Nazım. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    Manufacturing of metal foams by using powder compact melting (PCM) method, with the most important considerations like material and method selection, powder blending, cold compaction, hot compaction and hot extrusion and ...
  • Fabrication and characterization of B4C and BN refinforced aluminium matrix composites by squeeze casting 
    Nekouyan, Amin. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Aluminium matrix composites (AMC) with different ceramic particle reinforcements gained significant attention due to high demand for materials with versatile properties in the industry. In the present work boron carbide ...
  • Hot-torsion experiments on aluminum and aluminum alloys 
    Balkır, Ufuk. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1986., 1986.)
    In this study, the effects of temperature and strain rate on the deformation behaviour of aluminum 1100 and aluminum 2024 are investigated. The fundamentals of hot-torsion tests are briefly reviewed and testing methods are ...
  • Hydroxyapatite coating on 316L stainless steel by DIP coating method 
    Dedeoğlu, Sezen. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Hydroxyapatite (HA) coating on 316L Stainless steel with different amounts of polyvinyl alcohol (PVA) additive and different sintering temperatures were fabricated by using dip coating method. Hydroxyapatite was inosculated ...

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