Metalurji ve Malzeme Mühendisliği Yüksek Lisans Programı

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Hakkında yorumlar Metalurji ve Malzeme Mühendisliği Yüksek Lisans Programı - Kurumda - Kadıköy - İstanbul

  • Program tanımları
    METALURJİ VE MALZEME MÜHENDİSLİĞİ YÜKSEK LİSANS PROGRAMI

    Programın Amacı


    Metalürji ve Malzeme, Kimya, Makine ve benzeri mühendislik bölümleri, ve Fizik, Kimya, Jeoloji ve benzeri fen bilimleri mezunlarının Metalürji ve Malzeme Mühendisliği alanlarında uzmanlaşmalarını sağlamak ve ilgili alanlarda araştırma altyapısı oluşturulması ve öğretim elemanı yetiştirilmesine katkıda bulunmak.

    Programın Dili İngilizce

    Bilimsel Hazırlık Programı Gerektiren Bilim Alan ve Dalları

    Programa kabul edilen adayların aşağıdaki dersleri veya eşdeğer sayılabilecek dersleri lisans öğretimleri sırasında almış olmaları, almadıkları ders sayısının 3’ün üzerinde olması durumunda Marmara Üniversitesi Lisansüstü Eğitim-Öğretim ve Sınav Yönetmeliğinin (2002) 37.Maddesi uyarınca Bilimsel Hazırlık Programını tamamlamaları gerekir.

    DERS İÇERİKLERİ

    ADVANCED THERMODYNAMICS OF MATERIALS
    The laws of thermodynamics,the statistical thermodynamics, thermodynamic variables and relations, equilibrium in thermodynamic systems, unary heterogeneous systems, solutions, multicomponent heterogeneous systems, thermodynamics of phase diagrams, multicomponent, multiphase reacting systems, capillarity effects in thermodynamics, defects in crystals, electrochemistry.

    ADVANCED CRYSTALLOGRAPHY AND DIFFRACTION STUDIES
    Geometry of crystals: lattices, crystal systems, symmetry, point groups, space groups,

    Tensor properties of crystals, Production and Properties of X-Rays, Structure of Polycrystalline Aggregates; crystal size, crystal orientation, strain and textures; multiphase materials Diffraction Studies of Non-Crystalline Aggregates

    KINETICS IN MATERIALS PROCESSES
    Diffusion in solids, liquids, and gases, Analysis of kinetic data, Kinetics of homogenization, carburizing, decarburizing, kinetics of particle coarsening and secondary arm coarsening, gas-metal reactions, oxidation, and nitriding, dissolution processes in solids, precipitation processes in solids, kinetic of recrystallization, moving boundaries

    ADVANCED MATERIALS CHARACTERIZATION
    Review of the principles of XRD, SEM, TEM and Radiation counters. Methods for the determination of unknown structures, solid solutions, and multicomponent crystals using X Ray Diffraction. Chemical Analysis by X-ray Spectrometry, EDS (Energy Dispersive Spectrometry) and WDS (Wavelength Dispersive Spectrometry), Thermal Analysis Techniques: DTA (Differential Thermal Analysis, TGA( Thermal Gravimetric Analysis), DSC (Differential Scanning Calorimetry) and their applications, XRF (X rays Fluorescence Spectroscopy), AFM (Atomic Force Microscopy), Principles of TEM analysis in the determination of Crystal structure.

    ADVANCED SOLIDIFICATION
    Introduction to solidification, Atom transfer at the solid-liquid interface; Nucleation, Morphological instability of a solid-liquid interface, Solidification microstructures: cells and dendrites, eutectic and peritectic, Microsegregation. Macrosegregation, Homogenization and Solution heat treatment, Rapid solidification, Heat transfer in casting

    MATERIALS SURFACES AND INTERFACES
    Analysis of the structure and thermodynamics of surfaces and interfaces; surface tension, surface energy, colloid stability, suspension rheology, gas adsorption and pore size distribution, electrical double layer. Relation of surface and interfacial structure to engineering phenomena, high surface area materials, and materials processing and separations technology

    DEFORMATION AND FRACTURE MECHANICS OF SOLIDS
    Definition of stress and strain, stress-strain curves, Isotropic Elasticity, model of a perfectly elastic solid, strain energy, plane stress and plane strain, Macroscopic Plasticity, models for plastic deformation, yield criteria, plastic work, Observed Macroscopic Behavior of Ductile Materials, uniaxial tension, load versus elongation, true stress and strain, work hardening, Elements of Dislocation Theory, theoretical shear stress, dislocation motion, mathematical derivation of stressres and strain caused by dislocations, dislocation interactions, high-temperature deformation of crystalin solids, creep, superplasticity, Fracture and Fracture Mechanics, modes of fracture, maximum theoretical cohesive strength of solids, strain energy release rate, fracture tougness.

    THERMAL SPRAY COATINGS
    Contents: Methods of Powders Production, Methods of Powders Characterization, Pre-Spray Treatments, Thermal Spraying Techniques, Flame Spraying ,Atmospheric Plasma Spraying, Arc Spraying, Detonation-Gun Spraying, (Hvof), Vacuum Plasma Spraying ,Developments in Spraying Techniques, Post-Spray Treatments, Physics of coatings, methods of coating charecterisation, properties and applications of coatings.

    CHEMICAL PROCESSING OF CERAMICS
    Advance Techniques for Ceramic Powder Synthesis: Coprecipitation Technique, Hydrothermal Synthesis, Solvent Evaporization and Extraction Techniques (Spray Drying-Roasting, Freeze Drying, Hot Kerosene Drying) Sol-gel Technique, Acheson Method, Combustion Synthesis, Plasma, Laser, Calcining. Processing Additives: Liquids and Wetting Agents, Deflocculants and Coagulants, Flocculants, Binders and Bonds, Plasticizers, Foaming and Antifoaming Agents, Lubricants and Preservatives. Colloidal Synthesis: Colloid Chemistry, Electric Double Layer (DLVO) Theory, Stability of Suspensions with Charged Particles, Particle Interactions, Rheology of Suspensions, Slurries and Pastes, Electrokinetic Effects, Zeta Potential, Electrophoresis. Multiphase/Multicomponent Equilibria in Bulk Ceramics, A. Electroceramics, Varistors, Multilayer Capacitors, High-Temperature Superconductors, B. Structural Ceramics, Triaxial Ceramics, Monolithic Silicon Nitride, Silicon carbide

    ELECTRONICS CERAMICS
    Introduction. Solid State Science. Processing and Fabrication: Processing cycle, Powder reparation-mixing and grinding (solid state route, oxalate route, coprecipitation, sol-gel, hydrothermal synthesis and others), shaping, thermal processing, elec1roding. Tape casting, mulilayers, crystal growth. Ceramic Conductors: Heating elements, electrodes, ohmic resistors, varistors, thermistors, sensors. Insulators and Dielectric Ceramics: Dielectric strength, capacitors,) w-medium-high permittivity ceramic dielectrics, ferroelectric ceramics (barium titanate, relaxor ferroelectrics). Piezoelectrics: Structure-property relations, direct and converse effects, voltage generation, actuators, ceramic applications, PZT. Pyroelectrics: Electrical and thermal considerations, design of a pyroelectric detector, ceramic materials selection. Electrooptics: Optic background, crystal systems, optical anisotropy, birefringence, non-linear optics, linear and quadratic effects, PLZT ceramics, fiber optics. Magnetic ceramics.

    ADVANCED ENGINEERING CERAMICS
    The raw minerals, physical properties, production methods, applications of high tech. ceramics such as Al 2 O 3 , ZrO 2 , Graphite, Mullite, Spinel, Si 3 N 4 , SiAlON, B 4 C, SiC, H 3 (PO 4 ) 5 (OH) 10 . also including nuclear ceramics such as UO 2 , PUO 2 , ThO 2 , UF 4 , UF 6 . Experiments will also be designed in the production of some of these ceramics.

    ADVANCED ENGINEERING MATHEMATICS

    Introduction to the partial differential equations, vibrating membrane, one dimensional wave equation, separation of variables, d’Alembert solution of the wave equation, one and two dimensional heat and diffusion equation; various boundary conditions and Eigenvalues, their solutions; Laplace equation, Drichlet, Neumann Problems. Laplace, Fourier Transformations and their applications to the differential equations.

    COMPUTER APPLICATIONS IN MATERIALS ENGINEERING
    Broad introduction to the numerical methods for problem solving in Materials Science and Engineering. Topics include techniques, interpolation and approximation, direct and iterative solution of Linear equation systems, numerical eigenvalue and eigenvector computations, numerical integration and differentiation, solution of non-linear equation systems, numerical solution of ordinary and partial differential equations

    INTRODUCTION TO BASIC NUCLEAR CONCEPTS AND NUCLEAR MATERIALS
    History of Nuclear Reactors. Basic Definitions of atomic component and units. Binding Energies, Binding Forces, X rays and Bremsstrahlung, Nuclear Structure. The Decay of Radioactive Nuclei and Nuclear Reactions. Fission and Fusion phenomenon. Radiation Damage to Crystalline solids. Number of Atom Displacements per Neutron Scattering Collision. Temperature and Mobility Effects. Increase in Transition Temperature for BCC metals. General Descriptions of Nuclear Reactors. Reactor use and classification. Stainless Steells in Fast Reactors. Comparison between thermal and fast-neutron damage. Use of graphite in nuclear reactors. Nuclear fuels: Plutonium, Thorium, Alloyed Fuels, Oxide Fuels, Fuel Densification. Dispersion-Type alloys. Metallic fuels for fast breeders

    MATERIALS SELECTION IN DESIGN
    The product design process, need identification and problem definition, team behavior and tools, gathering information, concept generation and evaluations, embodiment design, modeling and simulation. Engineering materials and their properties, materials selection charts, selection of materials and its shape, materials processing and design, aesthetics and industrial design, green design. Cost evalutations, economic decision making, risk, reliability and safety, quality design.

    ADVANCED TOPICS IN MATERIALS ENGINEERING
    Various topics and research results presented by faculty members, guest scholars and graduate students in materials engineering.

    PRINCIPLES AND TECHNOLOGY OF DRYING
    Principles of dryers used in various processes. Mass and energy changes in drying medium and dried goods during drying and relevant mechanisms. Basic experimental techniques used for the general dryer design, modelling, and calculations. Dryer classifications for dryer selection. Principles of dryer control. Operational and design principles of some dryer types widely used in industry. Problem solving in all topics.

    ADVANCED PHASE DIAGRAMS
    Three components phase diagrams, three dimensional (temperature-composition) system and its projection into two dimensions. The volumetric and compositional analyses of the forming phases during the solidification route; methods for extracting isopleths and binary diagrams from ternary systems. Approximation of ternary systems departing from known binary systems Thermodynamical treatment of the ternary systems and their computer calculations. Four component subsolidus oxide systems and their computational treatments, projection of four component systems into two dimensions using their equivalent oxygen percentages. Janecke prizms for 5 component systems and various applications.

    ADVANCED DIE CASTING PROCESSES
    Introduction, Molten Metal Flow in Die Casting Processes, Vacuum Die Casting, Squeeze Casting, Semi-Solid Casting and Forging, Thermal Balancing and Powder Die Lubricant Processes, Design, Controlling Quality in Advanced Die Casting Processes, Defects, Case Studies

    SURFACE MODIFICATION OF MATERIALS
    Classification of surface modification methods, changing the surface metallurgy through laser melting, localized surface hardening (flame, induction, laser, and electron-beam hardening), shot peening. Changing surface chemistry through carburizing, nitriding, carbonitriding, boronizing, ion implantation, laser alloying, pack cementation, chemical conversion coating. Adding a surface layer or coating through organic coating, ceramic coatings, hot-dip, tin plate, electroplating, thermal spray, CVD, PVD. Selection of surface modification techniques for specific functions such as wear and corrosion resistance.

    ADVANCED CERAMIC FORMING PROCESSES
    Packing of Particles, Granulometry, Compaction Mechanics, Spray Drying, Freze drying, Additives (Binders and Plasicizers, Lubricants and Compaction Aids), Plastic Forming, Rheology of Extrusion Bodies, Requirements on Binder Systems, Extrusion Equipment, Extrusion Defects, Injection Molding, Injection Molding Defects. Casting, Interfacial Chemistry, Slip (Filtration) Casting, Forming by Electrophoretic Deposition, Tape Casting, Gel Casting, Spin Coating, Screen Printing, Rapid Prototyping of Ceramics: Thin Films, Sputtering, Laser Ablation, etc.), Deposition Methods. Drying and Surface Processing: Binder removal , Drying Defects, Trimming, Smoothing, Printing Processes, Grain Size Control of Ceramics, Grain Growth, Application of Grain Growth in Ceramics, Recrystallised Ceramics. Melt Processing: Casting, Drawing, Spraying, Devitrification, Crystallization. Infiltration and Metal Gas Reactions: Melt Infiltration, Lanxide Process, Vapor Infiltration.

    THERMAL PROCESSING OF CERAMICS
    Introduction to the course, short survey of thermal processing, ceramic powder synthesis, Green Body Drying, Debindering, Firing techniques, High temperature firing overview, Heating elements and construction materials, temperature measurement and control, sintering overview, diffusion processes, sintering measurement techniques, role of additives, solid state sintering fundamentals (mass transport mechanisms, stages of sintering), microstructure and processing relations in solid state sintering, liquid phase sintering, pressure assisted sintering, novel sintering techniques (infiltration sintering, reactive processes, activated Liquid phase sintering, supersplidus Liquid phase sintering, novel heating techniques), sintering, atmospheres, sintering practise (product control in sintering, alumina, silicon carbide, silicon nitride, zirconia etc.).

    NANOMATERIALS: SYNTHESIS, PROPERTIES AND APPLICATIONS
    Introduction to nanotechnology. Physical chemistry of solid surfaces. Advances in nanostructured materials. Impact of present day research and development. Science of clusters. Small particles. Synthesis of Nanostructured Materials: Size reduction, chemical methods, plasma methods, gas phase processes (combustion flame synthesis, CVD, thermal evaporation), hydrothermal synthesis, spray synthesis. Characterization of Nanostructured Materials: Structural Characterisation (XRD, SEM, TEM, SPM, AFM, Gas Adsorption), Chemical Characterisation (lnfrared spectrescopy, Raman spectrescopy, NMR, ionic spectrometry), Properties of Nanostructured Materials: Physical properties (mechanical, optical, electrical. Magnetic), Application of Nanostructured Materials: Nanostructured Thin Films, Nanostructured Crystals, Nanotubes, Biological Materials, Nanostructured Composites, Optical Properties, Future Applications.

    POLYMER RHEOLOGY
    Basic concepts of rheology such as forces, stress, strain, displacement, basic principles of rheology, principles of rheometry and viscosity measuring techniques, linear and non-linear elastic solid, linear viscous fluid, linear viscoelastic phenomena; linear viscoelastic solid and fluid.

    ELECTRONIC, MAGNETIC AND OPTICAL PROPERTIES OF MATERIALS
    Principles of the electrical, magnetic and optical properties of materials will be discussed. Electronis structure and transport properties, dielectric behavior, ferroelectrics, semiconductors, magnetic properties, hysteresis behavior, applications of magnetic materials, optical processes, superconductivity.

    WASTE PROCESSING AND RECYCLING IN MATERIALS INDUSTRY
    Solid, liquid and gaseous wastes associated with materials industries. Fundamentals of metallurgical unit operations and unit processes applied to waste and effluents control, extraction of valuable components, removal and containment of hazardous materials. Materials recycling. Environmental impacts of mining, mineral processing, and extractive metallurgical operations. Abatement technology. Public response and environmental legislation. Safe disposal of wastes from resource industries.

    ADVANCED STUDIES IN MATERIALS ENGINEERING
    Various topics and research results presented by faculty members, guest scholars and graduate students in materials engineering.

    FLUIDIZATION TECHNOLOGY
    Description of fluidization and examples of industrial applications. Fluidization regimes. Dense bed and macroscale parameters of fluidized beds. Bubbles in dense beds. Entrainment and solid movement in fluidized beds. Gas dispersion and interchange in bubbling beds. Heat transfer and chemical conversion in fluidized beds.

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