Ph.D. in Metallurgical and Materials Engineering - Çankaya - Ankara - Orta Doğu Teknik Üniversitesi - I935

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Ph.D. in Metallurgical and Materials Engineering

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Ph.D. in Metallurgical and Materials Engineering - Kurumda - Çankaya - Ankara

  • Program tanımları
    For the Ph.D. degree an additional seven courses and a Ph.D. thesis should be successfully completed.

    For integrated Ph.D program, the students are required to take a minimum of 14 courses apart from a Ph.D. thesis.

    Graduate study in the Department of Metallurgical and Materials Engineering is designed to present the student with systematic development of the fundemental scientific and engineering principles underlying materials phenomena and process operations.

    Ph.D. in Metallurgical and Materials Engineering

    600 Ph.D. Thesis     NC
    METE 580 Prethesis Seminar     NC
    METE 9xx Special Topics     NC
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3

    Total minimum credit: 21

    Integrated Ph.D. in Metallurgical and Materials Engineering

    METE 501Thermodynamics of Materials     (3-0)3
    METE 503 Mathematical Methods for Materials Research I     (3-0)3
    METE 506 Kinetics of Processes in Materials     (3-0)3
    METE 600 Ph.D. Thesis NC
    METE 580 Prethesis Seminar     NC
    METE 590Seminar     NC
    METE 9xx Special Topics     NC
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3
    Technical Elective     (3-0)3

    Total minimum credit: 42

    Course Descriptions

    METE 580 Prethesis Seminar (0-2)NC
    Prerequisite(s) : N/A
    Students register to this course following advisor assignment, i.e. first or second semester in MS program and the third semester at the latest in Ph.D. program. Students are required to give a seminar on their thesis subject and participate in the discussion of seminars given by others. The seminar should cover such aspects as; aim of the study, a comprehensive literature review and work plan to achieve the aim.

    METE 590 Seminar (0-2)NC
    Prerequisite(s) : Mete 580
    A seminar course for M.S. students in their third or fourth semester who are near completing their thesis. Students are required to give a seminar on their thesis subject and participate in the discussion of seminars given by others. The seminar should cover the details of work carried out and main findings as well as plan of remaining work to be carried out.
       
    METE 600 Ph.D. Thesis NC
    Prerequisite(s) : N/A
    Program of research leading to Ph.D. degree, arranged between student and a faculty member. Students register to this course in all semesters starting from the beginning of their first semester while the research program or write-up of thesis is in progress.

    METE 501 Thermodynamics of Materials (3-0)3
    Prerequisite(s) : N/A
    Advanced treatment of the thermodynamic properties of inorganic materials. Laws of thermodynamics and their application to the chemical behavior of materials systems. Multicomponent systems, phase and chemical reactionequilibria. Thermodynamics of phase transformations. Introductory surface thermodynamics.
       
    METE 503 Mathematical Methods in Materials Research I (3-0)3
    Prerequisite(s) : N/A
    Review of ordinary differential equations, partial differential equations, solution techniques, special functions, separation of variables, transform techniques, approximate techniques.

    METE 506 Kinetics of Processes in Materials (3-0)3
    Prerequisite(s) : N/A
    Scope of kinetics; Analysis of kinetic data; Chemical kinetics; Rate theories; Transport in solids, liquids and gases; Kinetics of homogenization, carburizing, decarburizing, gas-metal reactions, oxidation, internal oxidation and nitriding, dissolution processes in liquids and solids, precipitation processes in liquids and solids, deformation.

    METE 9xx Advanced Studies (4-0)NC
    Prerequisite(s) : N/A
    Graduate students as a group or a Ph.D. student choose and study advanced topics under the guidance of a faculty member, normally his/her supervisor.

    METE 502 Diffusion (3-0)3
    Prerequisite(s) : N/A
    Phenomenological theory of diffusion. Thermodynamic principles. Fick's laws. Chemical diffusion, Kirkendall effect,Up-Hill Diffusion, etc. Atomic theory of diffusion. Atom movements, Random Walk Diffusion in non-metallic and fluid systems. Diffusion with moving boundary.
       
    METE 504 Mathematical Methods in Materials Research II (3-0)3
    Prerequisite(s) : N/A
    Linear algebra, matrices, variational and other numerical methods of differential equations, computer applications.

    METE 505 Fracture (3-0)3
    Prerequisite(s) : N/A
    Engineering aspects of fracture. Fracture mechanics design philosophy. Case studies in brittle fracture, ductile fracture, environmental cracking, fracture under fatigue and creep.
       
    METE 507Advanced Crystallography and Diffraction (2-2)3
    Prerequisite(s) : N/A
    Advanced theory of diffraction. Matrix operations and their application to crystallography. Symmetry, space groups structure analysis, imperfect lattices, strain and texture. Diffraction in non-crystalline materials.

    METE 508 Advanced Optical Techniques (2-2)3
    Prerequisite(s) : N/A
    Electron microscopy, electron microanalysis, electron and neutron diffraction (Theory and Application). Advanced techniques of spectroscopy (I.R., Raman, Atomic Absorption, Mössbauer etc.)
       
    METE 509 Physics of Materials I (3-0)3
    Prerequisite(s) : N/A
    Theoretical basis of structure and properties of materials, quantum mechanical theory of bonding, quantum mechanical theory of metals and alloys (Free Electron Theory, Band Theory).

    METE 510 Physics of Materials II (3-0)3
    Prerequisite(s) : N/A
    Electrical properties of insulators and semiconductors, optical properties of insulators and semiconductors. Magnetism (Quantum Mechanical Theory, Ferromagnetism, Domains, Anisotropy, Magnetostriction), Magnetic resonance techniques.
       
    METE 511 Advanced Powder Metallurgy (3-0)3
    Prerequisite(s) : N/A
    Special topics in P/M. Tool and bearing materials, sintered friction materials. Electrical and magnetic materials. Nuclear application of P/M. Refractory materials. Laboratory experiments on model powder production, their testing and characterization; Mixing, compaction and sintering.

    METE 512 Advanced Ceramic Engineering (3-0)3
    Prerequisite(s) : N/A
    Structure of ceramic materials. Characterization of particulate systems. Analysis of ceramic forming methods.Mechanisms and kinetics of densification (sintering). Property development through process and structure control.
       
    METE 515 Composite Materials (3-0)3
    Prerequisite(s) : N/A
    Principles of composites and composite reinforcement. Micro-mechanics and fracture behaviour of composites. Static and time dependent behaviour of Composites.

    METE 516 Production of Ferroalloys (3-0)3
    Prerequisite(s) : N/A
    Production of ferro-alloys by carbothermic reduction, with special emphasis on ferro silicon; Production of ferro alloys by metallothermic and vacuum reduction techniques; Detailed explanation of ferro- chromium, manganese titanium,vanadium, tungsten and molybdenum production; Halide metallurgy; Production of volatile metals especially zinc and magnesium.
       
    METE 517 Gas Metal Reaction (3-0)3
    Prerequisite(s) : N/A
    Theory of reaction rates. Dissolution of gases in metals. Oxidation, sulphidation. Carburizing, decarburizing, nitriding,denitriding reactions. Determination of the reaction rates under different conditions. Stability of precipitates. The growth kinetics of precipitates and its dependence on environment.

    METE 518 Physical Chemistry in Process Metallurgy (3-0)3
    Prerequisite(s) : Mete 501
    Advanced treatment of important metallurgical systems and processes. Structure and properties of liquid metals, alloys, mattes, and slags. Equilibrium and kinetic considerations in smelting and refining processes. Chemical and electrochemical interactions between melts, between melt and gases and between melts and refractories.
       
    METE 520 Process Analysis in Metallurgical Reaction Systems (3-0)3
    Prerequisite(s) : N/A
    Equilibrium stages, calculations for staged operation. Continuous flow system. Similarity, modelling of reaction systems like copper smelting, iron ore reduction, steelmaking. Heat and mass transfer applications to packed and fluidized beds, sintering, reduction and smelting.

    METE 521 Advanced Foundry Technology (3-0)3
    Prerequisite(s) : N/A
    Mathematical analysis of solidification. Heat transfer problem in ingot casting. Continuous casting process. Refined melting techniques. Metallurgy and casting of corrosion resistant and heat resistant alloys and special steels.
       
    METE 523 Molten Salt Electroysis (3-0)3
    Prerequisite(s) : N/A
    Physicochemical properties of melts; structure of melts. Thermodynamics of molten salt mixtures; activity models, melts with common ion, complex formation, reciprocal salt systems. Galvanic concentration cells, membrane potential. Electrolysis in molten salts, Faraday's law, metal solubility, current efficiency, electrode kinetics. Industrial applications; Hall-Heroult process, magnesium electrolysis.

    METE 524 Texture and Anistropy in Metallic Materials (3-0)3
    Prerequisite(s) : N/A
    Texture, grain shape anisotropy, mechanical fibering. Description of texture; ideal indices, polefigures, orientation distribution functions. Experimental determination of texture. Texture development; castings, deformation, recrystallization transformation textures. Texture and properties; elastic and plastic anisotropy, magnetic anisotropy. Texture control in steel (deepdrawing) and in aluminium sheets, grain oriented silicon iron.
       
    METE 525 Extractive Metallurgy of Copper (3-0)3
    Prerequisite(s) : N/A
    Comminution and concentration of copper ores; Roasting of copper concentrates; Physical chemistry of copper smelting; Matte smelting, converting of copper matter and copper losses in slags; Continuous production of blister copper: Single-step and multi-step processes; Hydrometallurgical extraction of copper; Electrolytic refining and electrowinning of copper.

    METE 526 Advanced Deformation Processing (3-0)3
    Prerequisite(s) : N/A
    Metalworking processes; equilibrium, slip-line, upperbound and visioplasticity methods of analysis applied to forging, rolling, extrusion, drawing, sheet forming, machining; deformation processing of powder and composite materials; material properties and characteristics under processing conditions, flow instability, drawability, ductile fracture; resulting properties and characteristics: structural size and anisotropy.
       
    METE 527 Advanced Chemical Metallurgy (3-0)3
    Prerequisite(s) : N/A
    Gas-solid reactions in calcination, roasting and direct reduction. Physicochemical treatment of liquid metal solutions and solution models. Thermodynamic properties and property-structure relations of slag/glass forming systems. Slag-metal, slag-matte-metal reaction equilibria in high temperature unit processes. Electrochemical reaction in aqueous systems with applications to hydrometallurgical operations.

    METE 528 Computer Applications in Materials Science (3-0)3
    Prerequisite(s) : N/A
    The numerical methods of solving engineering problems. Determinants, matrices, and linear simultaneous equations, and their evaluations by FORTRAN program. Roots of polynomial and algebraic equations, Lagrange's interpolation formula, method of Least Squares. Numerical Solutions of ordinary differential equations. Some examples from mechanical vibrations, dislocation dynamics, mass transport.
       
    METE 529 High Strength Alloys (3-0)3
    Prerequisite(s) : N/A
    Review of strengthening mechanisms. Particle hardened engineering materials; Microstructure and microstructural control. Mechanical behaviour of P.H. alloys yielding and work hardening behaviour, fracture. Re-evaluation of P.H. engineering alloys.

    METE 530 Ladle Metallurgy (3-0)3
    Prerequisite(s) : N/A
    Review of basic chemistry of steelmaking. Scope and advantages of ladle metallurgy. Thermodynamic and kinetic aspects of deoxidation. Formation and removal of deoxidation products. Reoxidation. Desulfurization and sulfide inclusions in steel. Oxide and sulfide inclusion shape control. Degassing of steel. Stirring and injection processes. Ladle furnaces and processes.
       
    METE 532 Selection of Materials Against Corrosion and Oxidation (3-0)3
    Prerequisite(s) : N/A
    Principles that apply to the selection of materials against corrosion. Alloying for corrosion resistance: Economic considerations in materials selection. Design principles for component and structures with better corrosion resistance. Aims of corrosion testing. Principles that apply to design of corrosion testing methods. A critical review of available methods and the related standards on corrosion testing.

    METE 534Phase Transformations in Metallic Systems (3-0)3
    Prerequisite(s) : Consent of the department
    Classification of solid state phase transformations; Solid solutions, intermetallic phases and order-disorder transformations; Precipitate nucleation, growth, coarsening and dissolution; Spinodal decomposition; Eutectoid transformations and coarsening of lamellar structures; Ferrous and non-ferrous martensite transformations: stabilization, thermoelasticity, reversibility, shape memory effect.
       
    METE 535 Transmission Electron Microscope (2-2)3
    Prerequisite(s) : N/A
    Electron microscope: Specimen preparation. Reciprocal lattice concept and kinematical theory of electron diffraction. Diffraction pattern indexing and evaluation of spot patterns. Geometry of formation and applications of Kikuchi patterns. Constants and its applications in faulted crystals. Introduction to nonconventional techniques (lattice imaging, convergent beam, stereomicroscopy, 21/2D imaging).

    METE 538 Advanced Solidification (3-0)3
    Prerequisite(s) : N/A
    Atom transfer at the solid-liquid interface; conditions for nucleation, rate of nucleus formation, interface structure. Morphological instability of a solid-liquid interface, perturbation analysis. Solidification microstructures; cells and dendrites, eutectic and peritectic, diffusion coupled growth, competitive growth of dendritic and eutectic phases. Solute redistribution; mass balance in directional solidification, microsegregation. Rapid solidification processing; general characteristics, production methods, microstructural effects.
       
    METE 539 Near Net Shape Processing (3-0)3
    Prerequisite(s) : N/A
    The methods for manufacturing small section products such as strip, fibre, flake, wire directly from molten metal. Spray rolling, the Taylor wire process, melt spinning, melt overflow, melt drag, melt extraction, double roll quenching, thin slab casting (belt drive) and laserglaze process. Mass and heat flow analysis. Alloy design, dimensional control. Alloy parameters such as melt delivery speed, viscosity and surface tension.

    METE 540Phase Stability in Alloys (3-0)3
    Prerequisite(s) : N/A
    Theoretical basis of structure of solid solutions; Quasi-chemical statistico-thermo dynamical and quantum mechanical theory of interatomic interactions in metals and alloys; theory of cyristal-structure stability; Energy of phase boundaries; Ordered phases, their structure and existence conditions; Interatomic interaction in the fiber reinforced metal matrix composites.
       
    METE 541Point Defects in Solids (3-0)3
    Prerequisite(s) : Consent of the department
    Point defects in stoichiometric crytals. Atomic mobility and diffusion. Nonstoichiometry and defect chemistry. Nonstoichiometric materials containing atoms of variable valence. Nonstoichiometry and conduction in materials containing ions of variable valence. The structures of nonstoichiometric phases.

    METE 542 Advanced Structural Ceramics (2-2)3
    Prerequisite(s) : N/A
    Bonding theories to explain elemental combinations and ceramic structures. Ceramics with the Spinel, Perovskite, Garnet, Magnetoplumbite, Corundum, Rutile, Zircon, Diamond and Fluorite structures. Establishment of structure and property relations. Three cases of structures containing complex ions: Silicates, Germanates and Phosphates. A summary of single crystal growth processes in ceramic materials.
       
    METE 543 Science and Technology of Ceramic Powder Synthesis (2-2)3
    Prerequisite(s) : N/A
    Formation and characterization of oxide powders. Formation and characterization of nonoxide and composite powders. Powderless processing. Ceramic shaping processes. Colloidal dispersions, rheology, and shaping processes. Densification and microstructural design. Processing-microstructure-property relations.

    METE 544Properties of Glasses (3-0)3
    Prerequisite(s) : Consent of the department
    Composition-structure-property relations in glasses. Chemical properties, Physical properties, Thermal properties, Mechanical properties, Optical properties, Electrical properties; factors affecting these properties. Engineering the factors for specific glass applications. Testing of glassware.
       
    METE 545 Atomistic Computer Modelling of Materials (2-2)3
    Prerequisite(s) : N/A
    Theory and application of atomistic computer simulation methods to model, understand, and predict the properties of materials and simulate materials behavior. Introduction to energy models, from empirical potentials to first-principles techniques. Deterministic, stochastic and static approaches for atomistic modeling; Molecular Dynamics (MD), Monte Carlo (MC) and energy minimization methods. Application of these methods to understand, phase transformations, stability, phase diagram determination, atomic transport, order-disorder, defects, interfaces and surfaces.

    METE 546 Nanostructured Materials (3-0)3
    Prerequisite(s) : N/A
    Introduction to nanometer scale materials; visions in nanoscience and engineering. Different techniques of synthesis for nanostructured materials; synthesis of nanoparticles, nanotubes/nanowires, nanoscale films and bulk nanoscale materials. Characterization of nanostructured materials by electron microscopy, X-ray diffraction and spectroscopical techniques. Properties of nanostructured materials.
       



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