PGD, M.Eng AND Ph.D. DEGREE ACADEMIC PROGRAMMES

 

  1. Philosophy and objectives of the programmes

The subject of materials is ubiquitous and underpins technology that enters everyone’s daily lives. It is the key to addressing societal challenges in the environment and climate change, advanced manufacturing, renewable and sustainable energy, materials efficiency, healthcare, biotechnology, aerospace and transport, communications and information technology, amongst others.

Here at the Department of Metallurgical and Materials Engineering, University of Nigeria, Nsukka, we study not only the materials for large manufacturing of parts, but also understands and control the atomic behaviour and structure to produce world class research that impacts directly on society and industrial processing.The range of materials and approaches this incorporate is vast and include metallurgy, ceramics, composite materials, polymers, glass, bio-inspired materials, materials for bioengineering, materials for energy applications, “functional“ materials, nanotechnology and surface technology.

The philosophy and aim of ourpostgraduate programme is to train productive and technological capable 21st century engineers that are well equipped to understands, develop and control the atomic behaviour and microstructural challenges of materials, through sound experimental and theoretical investigations. By understanding the scientific properties of materials, the engineering performance and the processing, we can seek to improve existing materials and discover or create new materials. The programme is also geared towards the conduct of pure and applied research required for accelerating the growth and meeting the needs of some relevant sectors of the nation’s economy e.g. iron and steel, ceramic, health and allied sectors, plastic and polymer industries, communications and information technology, foundry and oil sectors, amongst others.

  1. Objectives

The major objective of the post graduate programme is to equip graduate students with sufficient background and training to enable them go into allied industries, research institutes etc. with sufficient knowledge of local conditions and modern trends. The specific objectives of the programme are:

  • To provide the necessary high level manpower for the nations metallurgical and materials industries that are rapidly developing and expanding.
  • To produce materials engineers who are capable of effecting changes in foreign technology to meet local needs through research and development.
  • To provide manpower for the development and sustenance of materials science and engineering programmes in the nation’s institutions of higher learning.
  • To provide a solid academic base for the pursuit of higher degrees (M.Sc., M.Phil. and Ph.D.)
  • To identify the limitations of the students and to make a real effort to provide compensating corrective measures and
  • Make continuing reappraisal of our curriculum to ensure its consistency with the goal of training for national development that the given parameters of time and financial outlay will permit.
  1. List of Programmes
  • Post graduate diploma (PGD) in Metallurgical and Materials Engineering
  • Master’s degree in Metallurgical and Materials Engineering
  • D. in Metallurgical and Materials Engineering
  1. Scope of the Programmes

The PG.D, M.Eng. and Ph.D. degree programmes of the Department of Metallurgical and Materials Engineering are guided by the awareness that the development of the indigenous human resources into world class technological capable Engineers is the key to any sustainable national and regional development. The postgraduate programmes of the Department are therefore, a conscious attempt to discharge its educational and professional responsibility to the nation in its efforts to develop the Metallurgical and Materials Engineering sector. The programmes are to fulfill this role by furthering the effective application of appropriate engineering principles and technology.

The postgraduate courses cover a wide range of  Metallurgical and Materials Engineering specialization areas, namely; extractive/ chemical  metallurgy, advanced materials Engineering, physical and mechanical metallurgy, steel research, biomedical engineering, nanotechnology and thin film , ceramics and composite , welding and corrosion and surface engineering.

The study for the PG.D and M.Eng degree in Metallurgical and Materials Engineering is done by course work with research work to be presented in a project report. The study for the Ph.D. degree is by a comprehensive research to be embodied in a thesis. The M.Eng and Ph.D students may specialize in any of the areas listed in section 8 below.

  1. Entry Requirements
    • Postgraduate Diploma,(PGD)

The prospective candidates for the programme must possess any of the following academic qualifications:

  1. Higher National Diploma (HND) in Metallurgical and Materials Engineering with a minimum of upper credit grade from recognized Polytechnic
  2. Bachelor of Science degree in a related physical science discipline (i.e. physics and chemistry) with a minimum of Second Class Lower division from a recognized University.

Iii. B.Sc. or B.Eng. in Metallurgical/Materials Engineering, Mechanical Engineering or any other related engineering discipline with at least a Third Class (Hons.) degree with CGA not less than 2.0 on a 5-point scale or its equivalent  a from a recognized University.

  • Master of Engineering Degree (M.Eng)
  1. Applicants must possess B.Sc. or B.Eng. degree with at least second class honours of minimum CGA of 2.5 on a 5-point scale, or an equivalent qualification, in Metallurgical and Materials Engineering or a related field of Engineering to qualify for admission into the M.Eng programme.
  2. A bachelor’s degree from a recognized University plus at least a Credit or Merit pass in the Postgraduate Diploma (PGD) in Metallurgical and Materials Engineering from a recognized University provided the University matriculation requirements are satisfied.
    • Doctor of Philosophy Degree (Ph.D.)

Candidates must possess M.Sc. or M.Eng degree in Metallurgical and Materials Engineering or a related Engineering discipline with a CGA not less than 3.5 on a 5-point scale.

  1. Mode of Study and Credit Units

PG.D, M.Eng and Ph.D of Metallurgical and Materials Engineering programmes will be by course works and research Project.

  1. Mandatory duration of programmes

PGD Eng. programme

Full Time:      A minimum of two semesters and maximum of four semesters

Part Time:     A minimum of four semesters and maximum of six semesters

However, candidates from non-engineering (i.e. related physical sciences, such as physics or chemistry) are required to take some remedial undergraduate courses that may lead to additional semesters to augment their Engineering studies deficiencies.

M.Eng programme

Full Time:      A minimum of three semesters and maximum of five semesters

Part Time:     A minimum of five semesters and maximum of eight semesters

Ph.D. programme

Full Time:      A minimum of six semesters and maximum of ten semesters

Part Time:     A minimum of ten semesters and maximum twelve semesters

  1. Areas of Specialization

The Department of Metallurgical and Materials Engineering offers the following areas of specialization for the Master of Engineering (M.Eng) and Doctor of Philosophy (Ph.D.) degrees:

  • Physical / Mechanical Metallurgy
  • Structure-property relationships; Phase transformations and mechanisms of microstructural change
  • Strengthening mechanisms and failure analysis,
  • Coatings: Chemical vapor deposition; Coating materials, films and applications; Epitaxial growth; Interfacial science; Physical vapor deposition; Surface mechanics; Surface physics; Tribology of thin films and coatings.
  • Fatigue behavior of steels; Fracture Mechanics;
  • Steel research: Advanced high strength steels; Advanced steel coatings; Carburized steels; Deformation behavior of steels; Fatigue behavior of steels; Forging steels; Fracture behavior of steels; microalloyed steels; Nickel-based Superalloys ; Quench and partitioned steels, Alloy design and micro-alloyed steel;
  • Welding engineering and development: Brazing of ultra-wide gaps; Explosive processing of materials; Laser welding and processing; Levitation for kinetics and surface tension evaluation; Materials joining processes; Pyrochemical kinetics studies using levitation; Underwater and under oil welding; Welding and joining science; Welding rod development; Welding stress management; Weld metallurgy Weld wire development.
  • Reactive metals properties
  • Combustion synthesis
  • Powder metallurgy
  • Extractive/ Mineral Processing Research
  • Chemical and physical processing of materials;
  • Mineral Processing:-Electrometallurgy; Hydrometallurgy; Pyro metallurgy
  • Recycling and recovery of materials;
  • Thermo-chemistry and Thermodynamics,
  • Thermal plasma processing.
  • Corrosion science and engineering
  • Advanced Materials Science Research
  • Advanced polymeric materials and Thin Film: Advanced polymer membranes and thin films; Biopolymers Living/controlled polymerization; Organic-inorganic hybrid materials; Self- and directed-assembly
  • Biomaterials: Structural medical alloys; Bio-mimetic and bio-inspired materials engineering; Failure of medical devices; Interfaces between materials and tissue; Tissue as a composite material; Structural medical alloys; Drug delivery.
  • Experimental Methods: Computer modeling and simulation; Mathematical modeling of material processes; 3D atom probe tomography; Atomic force microscopy; Electron microscopy; Nanoindentation; Non-destructive evaluation; X-ray diffraction
  • Composites
  • Ceramics engineering: Ceramic processing; Ceramic-metal composites; Functional materials; Ion implantation; Modeling of ceramic processing; Solid oxide fuel cell materials and membranes; Transparent conducting oxides; Porous structured materials
  • Nanomaterials and nanotechnology techniques
  • Nuclear materials characterization: Nuclear materials processing; Nuclear materials properties
  1. Stress Areas
Foundation courses 0
Laboratory courses 1
Chemical/extractive metallurgy/ manufacturing processes& Foundry  Eng. 2
Physical Metallurgy/Transport phenomenon in Materials Engineering 3
Mechanical/production Metallurgy/ Engineering Alloys

Ceramic Engineering/Coal and coke Technology

4

5

Polymer Engineering & Corrosion Eng./ Materials Selection & Design 6
Paper Production Technology 7
Special Materials/Electron Microscopy

Seminars/Project/Thesis

8

9

 

  1. COURSE OUTLINE

FIRST SEMESTER: – PG.D IN MME PROGRAMME

Couse Codes Course Title Units
PGC    0601 Analytical tool for research in Engrs.1 3
MME   0611 Production Metallurgy 2
MME   0617 Mineral Processing 2
ENGR. 0605 Engineering Mathematics 2
MME   0619 Extractive Metallurgy 2
MME   0613 Experimental Techniques 2
ENGR.  0603 Statistics for Engineers 2
MME   0615 Introduction to Polymer Engineering 2
Total 17

 

SECOND SEMESTER: – PG.D IN MME PROGRAMME

Couse Codes Course Title Units
MME  0624 Metallurgical Thermodynamics 2
MME  0690 Seminar (Technical Report Writing) 2
MME  0614 Physical Metallurgy 2
MME  0616 Fuel, Furnaces and Refractories 1
MME  0691 PGD. Project Work 6
Total 13

 

 

 

Some remedial Engineering Courses for PG.D students from related physical science discipline (i.e. physics and chemistry)

FIRST SEMESTER: – REMEDIAL COURSES FOR PG.D IN MME PROGRAMME

Course Codes Course Title Units
ENGR. 101 Introduction to Engineering 2
MME 201 Materials Science 2
MEC  211 Engineering Drawing 1 2
MME 331 Physical Metallurgy 1 2
Total 8

 

 

 

SECOND SEMESTER: – REMEDIAL COURSES FOR PG.D INMME PROGRAMME

Couse Codes Course Title Units
MME   302 X-Ray Diffraction and Electro-Optical Technique 2
MME  332 Structure, Properties and Heat Treatment of Alloys 2
EGR.    301 Engineering Analysis 2
Total 6

 

 

FIRST SEMESTER: – M.ENG. PROGRAMME

Couse Codes Course Title Units
PGC    601 Research methodology & application of ICT in research II 3
MME  790 Seminars 1 & 2 2
MME    767 Environmental Impact Assessment 2
MME    709 Computational Materials Sci. Technique. & App. 2
MME    711 Advanced corrosion and Surface Engineering 2
MME   713 Design and Manufacture of Composites 2
MME   715 Advanced Materials Characterization Methods 2
MME   717 Advanced Physical Metallurgy of Materials 2
MME   791 M.Eng. Project 6
Total 23

Compulsory/General Courses

 

SECOND SEMESTER: – M.ENG. PROGRAMME

 Elective/ Specialization Courses: The candidates are expected to take at least four courses from their specialization areas in the second semester.

  1. Physical/Mechanical Metallurgy of Materials
Course Codes Course Title Units
MME  716 Diffusion in solid 2
MME  712 Fracture mechanics 2
MME  714 Industrial manufacturing 2
MME  718 Advanced Dislocation theory 2
MME  722 Advanced Phase Transformation 2
MME  720 Metal Processing Case studies 2
MME  724 Deformation, Fabrication & Welding processes 2

 

 

  1. Chemical and Extractive Metallurgy
Course Codes Course Title Units
MME 731 Non-Ferrous Extractive Metallurgy 2
MME  732 Metallurgical Thermodynamics & Kinetics 2
MME 734 Ferrous Extractive Metallurgy 2
MME 736 Ferro Alloy Technology 2
MME  738 Electroplating Technology 2

 

 

  1. Advanced Materials Engineering
Course Codes Course Title Units
MME 742 Physical and Structural Properties of Polymers 2
MME 744 Processing/ Formulation of Industrial Polymers, Additives &Adh. 2
MME 749 Introduction to advanced biomaterials 2
MME 752 Design of Medical Devices and Implants 2
MME 756 Advanced electronic &Photonic Materials & devices 2
MME 758 Ferroelectric Ceramics & Dielectric Materials 2
MME 760 Structure of glass and Glass Formation 2
MME 764 Nanotechnology & Thin Film Tech 2
MME 766 Self-assembling nanostructured molecular materials &dev. 2
MME 772 Industrial Ceramics Physics 2
MME 746 Design and Manufacture of Polymer Nanocomposites 2

 

 

FIRST SEMESTER: – Ph. D. PROGRAMME

Compulsory/General courses

Course Codes Course Title Units
MME  801 Computational Materials Science II 3
ENGR. 803 Advanced Experimental Tech. In Mat. Sc. 4
PGC.   701 Synopses and research grant writing 3
MME 802 Advanced Tech. Report Writing 3
MME 890 SEMINAR 1 &2(Research proposal) 3

 

 

SECOND SEMESTER: – Ph. D. PROGRAMME

Compulsory/General courses

Course Codes Course Title Units
MME  802 Analytical tools for research in engineering 3
MME 891 SEMINAR  3(Research Finding report) 3
MME 808 Modeling  & simulation of metall. processes 4
MME  892 PhD Thesis 12

 

 

SECOND SEMESTER: – Ph. D. PROGRAMME

Elective/ Specialization courses

A Ph.D. student may be required to take some elective courses in any of specialization areas in section 8, if need be by the supervisor(s) in addition to the compulsory courses.

  1. COURSE DESCRIPTION/OUTLINE
  • PGD COURSE DESCRIPTIONS

MME 0611:  Production metallurgy                         

Stress-strain relation in bulk deformation processes. Holloman equation. Forces and work of deformation. Hot deformation and superplasticity. Cold working upsetting, extrusion, rolling, and drawing. Materials joining processes, Weldability of metals. Weld nature, quality, microstructure and properties, welding speed and defects. Brazing, soldering; Metal sheet forming, deep drawing, ironing, effect of anisotropic properties on formability; Power metallurgy and metal casting methods. (2 units)

MME 0617:  Mineral Processing                               

Occurrence and nature of major metallic ores. Comminution theory; criteria for selection of crushing, grinding and screening equipment, metallurgical accounting, laboratory size analysis. Classification. Mineral concentration techniques: gravity concentration, heavy medium separation, froth floatation, magnetic and electrostatic separation; selection of mineral concentration equipment. Dewatering and tailing disposal. Design, testing and evaluation of mineral beneficiation flow sheets. Computer application in mineral process, application of mineralogy to mineral processing. . (2 units)

ENGR. 0605 – Engineering Mathematics II

Complex variables; function, deviation, language series, Taylor series, Cauchy theorem, Cauchy formula, Cauchy integrals. Analytical functions, singular points, Residual problems, conformal problems and mapping. Special functions; Gamma, Delta, Beta and error functions. Fourier integral, Fourier transforms for solving partial differential equations.(2 units)

MME  0619:  Extractive Metallurgy  

Review of raw materials for ironmaking,  Post-production treatment of the products of the Iron Blast Furnace. Direct reduction – process description reactions and products, process control.  Electric Arc Steelmaking – Reactor design, continuous feeding, power programme, process and quality control; Secondary Steelmaking, non-ferrous extractive process (2 units)

MME 0613:  Experimental Techniques                          

Principles and techniques of optical microscopy, electron microscopy and scanning- probe microscopy. X-ray diffraction and neutron diffraction. Materials Analytical techniques and instruments: principles and applications X-ray spectrometry, Atomic Absorption spectroscopy, Pyrometry.  Experimental stress analysis; statistical design of experiments and interpretations of results. (2 units)

MME 0603: Statistics for Engineers   

Introduction to statistical methods and analysis used in engineering and science. The importance of statistical science in engineering education is a subject that no longer merits discussion. The constructivist approach in its teaching, the need to teach using problem solving, and the contribution of modern technologies to optimize engineering approach is the focus of this course.(2 units)

MME 0615: Introduction to Polymer Engineering

Chemistry polymerization processes: –condensation, polymerization. Addition polymerization. Expoxidepo-polymerization (Fibre glass, carbon fibre materials) synthetic rubbers. Styrene-butadiene rubber. Thermoplastics and thermosetting plastic techniques including steam-mould for expanded polystyrene. Compression moulding. Projection moulding, extrusion moulding calendaring solid state forming.(2 units)

MME0623: Metallurgical Thermodynamics

Review of thermodynamics function. Ellimgham’s diagrams for metal-oxide, metal-chloride and metalsulphide systems. Theory of solutions: ideal, actual and dilute solutions. Deviations from ideal behaviour. Raoult’s and Henry’s laws. Activity in multi-component system. Phase equilibria of two-component systems. Free energy composition diagrams and application in the construction of phase diagrams. Reactions between different phases i.e. slag/metal or slag/metal/gas.                                                         (2 units)

MME0614: Physical Metallurgy    

Wave theory of the atom. Schrodinger wave equation and simple applications. Wave particle duality. Uncertainty principle. Electron diffraction. Nucleation of phase changes: homogeneous nucleation and heterogeneous nucleation. Diffusion in solids. Grain growth. Crystal imperfection. Theoretical strength of crystals; Strengthening mechanisms and processes: mechanical treatments, ion implantation.  (2 units)

MME0616: Fuels, Refractories & Furnace Technology 

Classification and properties of fuels. Fossil fuels analyses, coal and coke. Charring chemistry, heat treatment and pyrolysis. Flames, chemical kinetics, heat and mass transfer, mathematical models, burning velocities, flame, temperatures. Classification of metallurgical furnaces reactors, e.g. reverberatory furnaces, converters, fluidized-bed reactors. Refractories: Classification, properties and manufacturer. (2 units)

MME 0690 Seminar (Technical: Report Writing)        

Fundamental principles of technical writing. Format of different types of reports – outlines, purpose and scope, technical discussion details, role of appendix, function of figures, tables and illustration. Literature search, reference (citing and listing). Nature of recommendations and conclusions. Guides of writing memoranda, business letters. Oral presentation of technical reports. (One or two team papers to be prepared on assigned work). (2 units)

MME 0691: PGD Project Work                                 

Basic and independent research, which must make a distinct contribution to knowledge in an area of Metallurgical and Materials Engineering. The project work must be submitted in approved format and defended in an oral presentation in partial fulfilment of the PGD degree requirements. (6units)

  • ENG. COURSE DESCRIPTIONS

MME  767:    Environmental Impact Assessment

  1. The definition and legal basis of the Environmental Impact Assessment (EIA) Process: Definition and scope of EIA, Institutional Arrangement – EIA legislation & Lead Agencies. 2. Classification and categorization of Environmental Impact Assessment (EIA) Classification of EIA, Other categorization of EIA 3. Key elements of Environmental Impact Assessment (EIA): Scoping; screening; identifying and evaluating project alternatives, Mitigating measures, EIA report and certification. 4. Basic guidelines and procedures of Environmental Impact Assessment (EIA): Preliminary activities, Impact identification, Baseline study, Impact evaluation, Mitigation measures, Documentation, decision making & Post audits.5. Role and function of Environmental Impact Assessment (EIA): Role of EIA, Function of EIA. (2 units)

MME  709: Computational Materials Sci. Technique& Applications.

  1. Introduction to atomistic simulation, 2. The molecular dynamics method-algorithms Verlet and velocity Verlet 3. Getting numbers out of molecular dynamics simulations-radial distribution functions, diffusion constants, velocity autocorrelation functions, 4. Constant pressure and constant temperature methods, 5. Monte Carlo methods; the lsing model.(2 units)

MME 711: Advanced Corrosion and Surface Engineering

Types and Forms of Corrosion.  Corrosion prevention,  Electroplating, Principles – Throwing power and its evaluation. Commercial plating of Cu, Ni, Cr, Cd, Zn, Ag, Au. Electro-deposition of alloys plating structure of Electro deposits and testing of deposits. 4) Anodic oxidation of Aluminum and its alloys. Commercial anodizing process. Faults in the anodic coating and the remedies. Treatment after anodizing. 6) Cathodic and Anodic protection.(2 units)

MME 713: Design & Manufacture of Composite Materials 

Classification of composite materials;  Fibre-Matrix Interface: Theories of Adhesion Adsorption and wetting, Interfacial bonding, Measurement of bond strength. Unidirectional laminae continuous fibres; short fibres; short fibre composites: strength of unidirectional laminae and laminates; strength of short fibre composites. Toughening Mechanisms: Crack bowing, Crack deflection, Debonding, Pull-out, Wake toughening, Microcrack toughening, Transformation toughening.(2 units)

MME 715: Advanced Materials Characterization Methods

The emphasis will be on microstructural characterization techniques, including optical and electron microscopy, X-ray diffraction, and thermal analysis and surface analytical techniques, including Auger electron spectroscopy, secondary ion mass spectroscopy, X-ray photoelectron spectroscopy, atomic force microscopy.(2 units)

MME 717: Advanced Physical Metallurgy of Materials

Nucleation of phase changes: homogeneous nucleation and heterogeneous nucleation. Diffusion in solids. Grain growth. Crystal Imperfection: Strengthening Mechanisms and Processes: Mechanical treatments; Solid solution hardening, Precipitation and Dispersion hardening, Fibre reinforcement, Thermochemical processing, Diffusion coating or Metallic cementation Radiation strengthening, Ion implantation.(2 units)

MME 716: Diffusion in Solid                                                  

The concept of diffusion to describe mass transport in solid materials. The energy required for this motion depends on specific details of the atomic-level structure, such as: substitutional vs. interstitial travel; number/strength of bonds to break; amount of free volume in close-packed bulk vs. grain boundaries vs. glass with different levels of network formers. (2 units)

MME 712:  Fracture Mechanics

Theoretical Cohesive Strength of materials. The Griffith Crack Theory; Plane Stress and Plane Strain. Orowan Modification and Irwin’s crack extension force. Crack propagation modes. Effects of plate thickness. Crack tip plastic zones. Plane strain fracture toughness testing. Notch strengthening. The charpy Impact Test. Fracture of brittle non-metallic. High temperature fracture. Intergranular. Creep fracture. Failure in superplastic materials. Design and materials considerations. (3 units)

MME 714: Industrial Metallurgy

Fundamentals of metal working,  forging defects and powder metallurgy forging. Rolling of metals: Rolling processes, forces and geometrical relationship in rolling, simplified analysis of rolling load, rolling variables, theories of cold rolling and hot rolling, problems and defects in rolled variables, torque and horsepower. Extrusion: Classification of extrusion processes; Drawing of tubes, rods and wires: Introduction, wire drawing dies, tube drawing processes, analysis of wire and tube drawing. Sheet metal forming; Forming methods, bending, stretch forming, deep drawing, forming limit criteria, defects in formed parts. Advanced metal forming process: High Energy rate forming operation, electromagnetic forming.  The philosophy of non-destructive testing of materials and its application in engineering. (2 units)

MME 718: Advanced Dislocation Theory                         

Yield strength of perfect crystals,  Dislocation Motion – Glide, climb, and cross-slip, line tensions and Elastic Energy of Dislocations. Forces between dislocations. Dislocation Reactions in crystals. Intersections of moving dislocation. Dislocation sources and multiplication. Discolorations and stacking fault Energy. Jogs and prismatic loops. The pearls Navarro stress. Dislocations and low angle boundaries. Interactions of dislocations with point defects and second phase particles. Dislocations and plastic Deformation, strain hardening, recovery and re crystallization. Dislocations in ionic crystals, geometrically necessary dislocations statistically stored dislocations. (2 units)

MME  720 Metal Processing Case Studies

The aim of the present course is to give an overview of the main metal forming processes and to provide some understanding of the complicated relations between a forming process and the microstructure of a metal on the one hand and between this microstructure and the mechanical properties on the other hand. The aim of the case studies is to provide practical illustrations and in depth insight of certain aspects of metal processing and thermo-mechanical processing.  At the end of this course the student should be able to consult and understand professional and scientific literature about metal processing.(2 units)

MME 722: Advanced Phase Transformations of Materials  

Phase transformations in condensed metal and non-metal systems are discussed. Fundamental theory of diffusional phase transformations in solid metals and alloys. Applications of thermodynamics to calculation of phase boundaries and driving forces for transformation. Application of thermodynamics and of nucleation and growth theory developed above to the principal experimental systematic of precipitation from solid solution, the massive transformation, the cellular and pearlite reactions, martensitic transformation and the question of the rate of shear in diffusional phase transformation.(2 units)

 

MME 724: Deformation, Fabrication & Welding Engineering

Dislocation sources, Dislocation point defect interaction and pileups. Plastic deformation of single crystals.  Grain size, Halt-Petch equation. Metallurgical aspects of welding. Theories and applications of arc, gas, resistance and solid state welding processes. Modern methods of welding. Examination of macro-and micro-structure of welds and the heat affected zones (HAZ), solidification mechanics, residual stress effects, distortion control. Weldability criteria for ferrous and non-ferrous alloys. (2 units)

MME 731: Advanced Non-Ferrous Extractive Metallurgy       

Factors governing the choice of extraction process route.  Condensation of metal vapours and associated problems. Simple blast furnace and reverberatory processes. Principles of Metal Refining. Methods available for metal refining e.g. converter methods, vapour transport refining, fractional distillation etc. Principles of electrochemistry. Principles of electro-winning and electro-refining. Theories of slag and their roles in extraction and refining. Structure and properties of slags.(2 units)

MME 732: Advanced Metallurgical Thermodynamics & Kinetics

Partial and integral for metal-oxide thermodynamics functions. Gibbs-Durhem equations. Ellimgham’s diagrams for metal-oxide, metal-chloride and metalsulphide systems. Theory of solutions: ideal, actual and dilute solutions. Deviations from ideal behaviour. Raoult’s and Henry’s laws. Activity in multi-component system. Phase equilibria of two-component systems. Free energy composition diagrams and application in the construction of phase diagrams. Reactions between different phases i.e. slag/metal or slag/metal/gas. (2 units)

MME 734: Advanced Ferrous Extractive Metallurgy

Hydro-and Electrometallurgy physical and chemical principles involved in the extraction and refining of metals by hydro and electrometallurgical techniques. Discussion of unit processes in hydro metallurgy, electro-refining. Analysis of integrated flow sheet of recovery of non-ferrous metals. Pyro metallurgy. The extraction and refining of metals. Modern practice changes required by anti-pollution regulations and by energy restrictions. Analysis and design of processes and role of economic consideration.(2 units)

MME 736: Electroplating Technology  

Introduction to surface engineering. The industrial market for engineering coatings ;Surface cleaning and preparation; Friction and wear; Tribological mechanisms ;Coatings tribology ;Coating growth and morphology ;Engineering coatings and processes; Thermochemical surface treatments ;Engineering coating selection.     (2 units)

MME 736 Ferro-alloy Technology                      

Types of Ferro alloys and their uses. Physicochemical aspects of ferroalloys. Production by various methods. Types of furnaces, its design and refractories. Mechanical euipment, auxiliaries, electric power in to heat. Furnace power supply. Working voltage, power factor and efficiency. Production of ferro-silicon, ferro -manganese (high and low carbon). Ferrochrome (high and low carbon), Production: Ferro-molybdenum, Ferro-tungsten, ferro-titanium are ferro-vanadium. Lay out of a ferro alloy plant and its production economics(2 units)

MME 744: Processing & Formulation of Industrial Polymers

Polymer chemistry and solution properties of polymers, Polymer         physics, Dry rubber Technology, Latex Technology plastic Technology,           rubber processing, Polymer characterization, conducting polymer, speciality polymer, polymers for energy applications. Mould and die design: Rubber pounding and processing. Rubber resin blends.Adhesive bonding; mechanism of adhesive bonding. Typical and chemical classification of adhesives, thermoplastic and thermoset adhesives. Adherents and bonding of substrates. Industrial applications. Modelling and simulation to polymers. Wood board technology.(2 units)

MME 746: Design and Manufacture of Polymer Composites

Thermoplastic and thermosets matrix composites: Synthetic and natural fiber reinforced polymer composites. Application, Processing, experimental characterization and chemical analysis of nanocomposites. Failure and damage mechanism of composites. Methods for failure prediction, Failure criteria and damage analysis. Analytical solution for simple structure surface beans, plates and tubular structure. Numerical & empirical prediction of composite properties. Simple classical Laminate theorem. Common manufacturing and forming methods for plastics and fiber composites. Material selection and empowering design properties of polymer and composites. Hyrothermal and Physico-mechanical properties of conventional fiber and particulate polymer composites, polymer nanocomposites, Fillers for polymer composite physical & chemical modification of polymer composites. (2 units)

MME 750: Introduction to Principles and Properties of Biomaterials

Natural biological materials: structure and properties. Biocompatibility: tissue response to biomaterials; corrosion. Testing of biomaterials: Metallic materials in medical application: Ceramics and glasses-bioceramics: nearly inert ceramics, bio-reactive glasses and glass ceramics, porous ceramics; Calcium phosphate ceramics: grafts, coatings Physico-chemical surface modification of materials used in medicine. Composites – reinforcing systems-fabrication, mechanical properties, absorbable matrix composites, non-absorbable matrix composites, Implants: internal fracture fixation. Joint replacement, shape memory alloys. (2 units)

MME 752:  Design of Medical Devices and Implants

Topics include properties of materials used in medicine, synthesis and properties of polymeric materials, polymeric biomaterials, natural and recombinant biomaterials, biodegradable materials, hydrogels, stimuli-sensitive materials, and characterizations of biomaterials. The laboratory course concentrates on synthesis, processing and characterization of materials for biomedical applications, and characterization of cell-materials interaction. (2 units)

MME 756: Advanced Electronic & Photonic Materials & Devices

Theory, design, fabrication and application of photonic materials and devices .Surrey of optical material design for semiconductors, dielectric and polymers. The course examines ray optics, electromagnetic, optics and guided wave optics, physics’ of light-matter interactions and device design. Principles of LEDS, lasers, photodectors. Modulators, fibres and waveguide interconnects optical filters and photonic crystals.(2 units)

MME 758:Ferroelectric Ceramics & Dielectric Materials

Ferro electricity – Dielectric Properties, Ferro electric hysteresis loop.  Perovskite structure eg. Barium Titanate Structure and Applications. Examination of the physics of microelectronic semiconductor device for silicon integrated circuit applications. Semiconductor fundamentals, p – n junctions, metal-oxide semiconductor structure, metal-semiconductor junctions.  MOS field effect transistor and bipolar junction transitor. The course emphasizes physical understanding of device operation through energy band diagrams and short channel MOSFET device design. Model device scaling.(2 units)

MME   764: Nanotechnology and Thin Film Technology

Development of quantitative understanding of the different intermolecular forces between atoms and molecules and how these forces give rise to interesting phenomena at the nanoscale, such as flocculation, wetting, self-assembly in biological (natural) and synthetic systems Preparation of Nanoscale Materials: Precipitation, mechanical milling, colloidal routes, self-assembly; vapour phase deposition, MOCVD, sputtering, evaporation, molecular beam epitaxy,Chemical spray pyrolysis atomic layer epitaxy, microelectronics. Patterning and Lithography for Nanoscale Devices: Optical/UV, electron beam and X-ray lithography systems and processes, wet etching, dry (plasma/reactive ion etching), etch resists.(2 units)

MME 766: Self-Assembly Nanostructure Molecular Materials & Device

Principles of self-assembly: surfactant solutions, importance of non-covalent forces, the hydrophobic effect, co-operativity, statistical mechanics of one-dimensional self-assembly.: Biological self-assembly: coded self-assembly in living cells, proteins, microtubules, viruses, DNA, membranes.: Supramolecular chemistry: chemists’ attempts to exploit biological-like self-assembly.: Principles of self-organisation: behaviour of hard spheres and rods. Liquid crystals: structures, properties and applications of thermotropic and lyotropic liquid crystals. Self-assembly in polymer melts and solutions. Templating self-assembly.(2 units)

MME 772: Industrial Ceramics                        

Ferro electricity – Dielectric Properties, Ferro electric hysteresis loop.  Perovskite structure eg. Barium Titanate Structure and Applications. Electrical, optical, magnetic and mechanical properties of metals, semiconductors, ceramics and polymers Role of bonding, Structure (crystalline, defect energy band and microstructure)   and composition in influencing and controlling physical properties are discussed. Case studies drawn from a variety of applications: semiconductor diodes and optical detectors, sensors, thin films, biomaterials composites etc.     (2 units).

MME  791:     M.Eng  Research Project

The project work shall embody original scholarly and independent research, which must make a distinct contribution to knowledge in an area of Metallurgical and Materials Engineering. The thesis must be submitted in approved format and defended in an oral presentation in partial fulfilment of the M.Eng. Degree requirements.       (6 units)   

  • D. COURSE DESCRIPTIONS

MME 801: Introduction to Advanced Materials Simulations

The course is intended as a companion to introductory course in finite element modelling. Course Content: 1.     Introduction to atomistic simulation: (a): Density functional theory (DFT), and (b) Use of different materials studios.2. The molecular dynamics method-algorithms Verlet and velocity Verlet.3. Getting numbers out of molecular dynamics simulations-radial distribution functions, diffusion constants, velocity autocorrelation functions.4.  Constant pressure and constant temperature methods.5.  Monte Carlo methods; the lsing model.(2 units)

MME 802: Advanced Technical Report Writing:        

This course include: Role of technical reports in engineering projects. Fundamental principles of technical writing. Format of different types of reports outlines, purpose and scope, technical discussion details, role of appendix, function of figures, tables, and illustration. Literature search, reference (citing and listing). Nature of recommendations and conclusions. Guides of writing memoranda, business letters. Oral presentation of technical reports. (One or two term papers to be prepared on assigned work). (Optical); Quantifying roughness; Structure of real surface. Experimental Stress Analysis; Statistical design of experiments and interpretations of results.(3 units)

MME 808: Modeling & Simulation of Metallurgical Processes

Introduction to computer programming with MATLAB; Use of Simulink, Neural Network, FIS and ANFIS in MATLAB for metallurgical problems. Introduction: System, environment, input and output variables; State variables and their transition; Hierarchy of knowledge about a system; System identification – structure and parameter identification; Deterministic and stochastic systems; Static and Dynamic Systems; Objectives of modeling and simulation. Physical Modeling: Dimension analysis, Dimensionless grouping of input and output variables to find empirical relations, similarity criteria and their application to physical models. (4 units)

 

MME 803 Experimental Techniques in Materials Engineering                                                                                           

Diffraction – At the end of this part of the course the students will be able to: Explain what X-rays are and describe their importance in structure determination;

Focussed Ion Beam instruments and Secondary Ion Mass Spectrometry-On successfully

Discuss ion-solid interactions for incident ion energies from 1keV to 50keV and the production of secondary particles including neutral atoms and atomic and molecular ions, electrons and photons. This topic includes the modelling program, SRIM.

Electron Microscopy

Describe the design and operation of scanning (SEM) and transmission (TEM) electron microscopes, with particular reference to electron sources.

Scanning Probe Microscopies

Discuss the lateral imaging range and sensitivity to structure and properties;specifically describe the theory, use and operation of the STM and AFM including strengths and weaknesses of each technique; Discuss applications of SPM to materials characterization.

Thermal analysis

At the end of the course the students will be able to:Describe the different types of thermal analysis techniques available; Interpret DSC, TG and DTA data for simple materials.    (4 units)

MME 892: Ph.D Thesis

The thesis shall embody original scholarly and independent research, which must make a distinct contribution to knowledge in an area of Metallurgical and Materials Engineering. The thesis must be submitted in approved format and defended in an oral presentation in partial fulfillment of the PhD requirements.(12 units)