STANDARD B. ENG. DEGREE PROGRAMME

STANDARD B. ENG. DEGREE PROGRAMME`

METALLURGICAL AND MATERIALS ENGINEERING

 

                                                  FIRST YEAR

 

FIRST SEMESTER

COURSE CODE COURSE TITLE           UNITS
REQUIRED ANCILLIARY COURSES
EGR. 101 Introduction to Engineering    2
MTH 111 Elementary Mathematics I   3
MTH 121 Elementary Mathematics II    3
CHM 101 Basic Principles of Inorganic Chemistry    2
CHM 171 Basic Practical Chemistry   2
PHY 121 Fundamentals of Physics I    2
PHY 195 Practical Physics  II    2
GENERAL STUDIES COURSE          
GSP 101 The Use of English I    2
  Total      18

 

 SECOND SEMESTER

COURSE CODE COURSE TITLE         UNITS
REQUIRED ANCILLARY COURSES
EGR. 102 Applied Mechanics 3
MTH 122 Elementary Mathematics III 3
CHM 112 Basic Principles of Physical Chemistry 2
CHM 122 Basic Principles of Organic Chemistry 2
PHY 116 General Physics for Physical Sciences II 2
PHY 124 Fundamentals of Physics III 3
GENERAL STUDIES COURSE
GSP 102 The Use of English II 2
  Total 17

                                                            

SECOND YEAR

FIRST SEMESTER

COURSE CODE COURSE TITLE   UNITS
MAJOR COURSES
MME 201 Materials Science 2
MME 213 Materials Science Laboratory 1
 

REQUIRED ANCILLARY COURSES

MTH 207 Advanced Mathematics VI 2
CVE  211 Strength of Materials 2
EEE  211 Basic Electrical Engineering 3
MEC 211 Engineering Drawing I 2
MEC 261

CVE212

Engineering Thermodynamics I

Strength of Materials Laboratory

2

1

GENERAL STUDIES COURSES  
GSP 201 Basic Concepts and theories of Peace and Conflict Resolution 2
GSP 207 Humanities I 2
  Total 19

 

SECOND SEMESTER

COURSE CODE COURSE TITLE UNITS
REQUIRED ANCILLARY COURSES
MTH 206 Advanced Mathematics VII 2
MTH 208 Advanced Mathematics VIII 2
CVE 221 Fluid Mechanics 2
CVE 222 Fluid Mechanics Laboratory 1
MEC 212 Workshop Technology I 2
EEE  251 Basic Electrical Engineering Lab/Practice 1
ECE 271 Engineering Computer Programming 3
ECE 281 Engineering Computer Programming Laboratory 1
 

GENERAL STUDIES COURSES

   
GSP 202 Issues in Peace and Conflict Resolution Studies           2
GSP 208 Humanities II           2
  Total           18

 

THIRD YEAR

 FIRST SEMESTER

COURSE CODE COURSE TITLE UNITS
MAJOR COURSES
MME 301 Metallurgical Thermodynamics and Kinetics 2
MME 331 Physical Metallurgy I 2
MME 333 Basic Electron Theory of Materials 2
MME 341 Mechanical Metallurgy I 2
 MME323

 

Corrosion Engineering 3
REQUIRED ANCILLARY COURSES
MEC 314 Mechanical Engineering Design I 3
STA  203 Statistics for Physical Sciences and Engineering 2
MEC 313 Workshop Practices 2
CED 341 Introduction to Entrepreneurship 2
  Total 20

 

SECOND SEMESTER

COURSE CODE COURSE TITLE UNITS
 

MAJOR COURSES

MME 302 X-ray Diffraction and Electro-optical Techniques 2
MME 322 Mineral Processing 2
MME 332 Structure, Properties and Heat Treatment of Alloys 2
MME 342

MME 381

MME 311

Metallurgical Furnaces & Principles of Foundry Engineering

Ceramic Engineering

Physical Metallurgy Laboratory

3

2

1

REQUIRED ANCILLARY COURSES
EGR 301 Engineering Analysis 4
MEC 344 Measurement and Instrumentation 2
CED 342 Business Development and Management 2
  Total 20

 

FOURTH YEAR

FIRST SEMESTER

 COURSE CODE  COURSE TITLE UNITS
 

MAJOR COURSES

MME 411 Corrosion and Chemical Metallurgy Laboratory 1
MME 413 Mechanical Metallurgy Laboratory 1
MME 421 Extraction Metallurgy 2
MME 431 Physical Metallurgy II 2
MME 443 Production Metallurgy 3
MME 451 Welding Engineering 2
MME 461 Polymer Engineering 2
     
 

REQUIRED ANCILLARY COURSES

MEC 471 Heat & Mass Transfer 3
EGR 401 Computational Methods 3
     
  Total 19

 

SECOND SEMESTER

COURSE CODE COURSE TITLE UNITS
MAJOR COURSES
     
EGR 402 Student Industrial Work Experience Scheme (SIWES) 10
MME491 Technical Report Writing 3
MEC481 Technology Development Policy 2
  Total 15

 

FIFTH YEAR

 FIRST SEMESTER

COURSE CODE COURSE TITLE  
 MAJOR COURSES UNITS
     
MME 531 Transport Phenomena in Materials Engineering 2
MME 541 Theory and Design of Engineering Alloys 2
MME 543 Iron and Steel Making 2
MME 551 Introduction to Composites 3
MME 581 Nano-science and Nanotechnology 2
MME 561 Engineering Materials Selection and Economics 3
 

REQUIRED ANCILLARY COURSES

 

 

MEC 581 Engineering Law 2
MEC 583 Engineering Management 2
  Total 18

 

 SECOND SEMESTER

COURSE CODE COURSE TITLE  
 MAJOR COURSES UNITS
     
MME 524 Metallurgical Plant Design 3
MME 532 Theory of Dislocations 2
MME 542

MME592

Mechanical Metallurgy II

Project

2

6

  Elective Courses (3 No)

Total                                                                                                   

6

19

     
 

 

 
   
 

 

 
     

 

Elective Courses

(Any three (3) courses from the list below not exceeding 6 units should be chosen to make up for the  second semester final year courses.

MEC 522 Manufacturing and Tools Engineering 2
MME 538 Advanced Phase Transformations and Heat Treatment 2
MME 546 Powder Metallurgy 2
MME 552 Coal and Coke Technology 2
MME 556 Refractory Materials and Industrial Furnaces 2
MME 574 Paper Production Technology 2
MME 582

MME 521

Solid State Materials & Electronics

Tools Steels: Metallurgy, Manufacture and Applications

2

2

MME 584 Special Materials          2

 

 DETAILED COURSE DESCRIPTION

MME 201 – Materials Science                                                                             2 units

 Atomic and Molecular Structure, Crystals. Metallic States. Defects in Crystals, Conductors, Semi-conductors and Insulators. Alloy theory – Application to industrial alloys – steel in particular. Engineering Properties – Their control. Hot and cold working, heat treatment, etc. Principles of Mechanical Testing, impact test, tensile test, hardness tests, fatigue tests, creep test and non-destructive tests. Fracture. Corrosion  Engineering Principles and Corrosion Control. Equilibrium and Rate reaction. Non-metallic materials – glass, rubber, concrete, plastics, wood and ceramic materials. Electrical properties. Magnetic materials: Properties and characteristics, domain theory, magneto-striction, anisotropy, losses, permanent magnets, transformer cores. Electric materials: Liquid, solid and organic dielectrics polymers: properties/characteristics, inorganic materials, piezoelectric and Ferro-electric materials, composite structures, conductors, superconductors and insulators.

MME 213 – Materials Science Laboratory                                                         1 unit

Mechanical Test, Impact Test, Tensile Test, Hardness Test, Fatigue Test, Creep and non-destructive test of engineering materials. Testing of Magnetic materials, e.g. Transformer cores, testing of insulators, cables and transformer coil, verification of P-N junction characteristics.

MME 301 – Metallurgical Thermodynamics and Kinetics                               2 units

Conservation of energy and the first law of thermodynamics. Fundamentals of thermo-chemistry; Enthalpies of reaction. Second law of thermodynamics; Entropy, Gibbs Free Energy and Helmholtz Free Energy. Third law of thermodynamics; The Clausius  Clapeyron equation. Phase equilibrium in one- and two-component systems, Free Energy-Composition diagrams. Statistical thermodynamics and thermodynamics of Surfaces. Fugacity, activity and equilibrium constant. Raoult’s Law, Henry’s law, Sievert’s Law, Free Energy of mixing, behaviour of solutions, the Gibbs-Duhem equation. Gibbs phase rule. Kinetics of metallurgical Systems, Reaction rate constant.

MME 302 – X-ray Diffraction and Electro-optical Techniques                         2 units

X-rays as part of the electromagnetic spectrum.  Wavelength, frequency and energy of radiation. Absorption of X-rays. The Bragg Law. The Laue, Rotating crystal and Debye – Scherrer powder methods. Crystal structure analysis.  Diffractometers, Spectrometers and counters; Counting Ratemeter and Scalar circuits. Fluorescent X-ray Spectroscopy. Chemical Analysis by Diffraction and by fluorescent spectroscopic methods. Electro-optical techniques (TEM, STEM, SEM, EMMA, etc). Sample Preparation for TEM, STEM and SEM and image analysis.

MME 311 – Physical Metallurgy Laboratory                                                            1 unit

Three hours per week of practical on various topics including lattice parameter determination, obtaining data from pre-run X-ray films.  Lattice parameter determination using the Debye-scherrer powder method, the Rotating crystal method. Stereographic Projection. Wulff Net. Qualitative and quantitative metallography. Experiments on age-hardening of aluminum alloys, phase diagram determination by thermal analysis method, quench hardening of steel, induction hardening, and X-ray metallographic evaluation of retained austenite.

MME 322 – Mineral Processing                                                                                  2 units

General terminology: Scope of mineral processing. Mineral characteristics and their use in separation.
Characterization of particles: Specific surface equivalent diameters, shape factors, standard sign scale, screen analysis

Communution: Basic principles, equipment, circuit a operating practice of crushing and grinding, Bond work index.

Screening: Basic principles, equipment and operating practice.
Thickening and classification and classification: review of fluid dynamics, free and hindered settling, elutriation, description and operating practice of settling upon hydraulic classifiers, mechanical classifiers, hydrocyclone and thickeners.

Gravity concentration: Basic principles, equipment and operating practice of heavy media separation, jigging flowing film concentration methods, shaking tables.
Froth flotation: Basic principles. Main reagents equipment, circuits and operating practices. Magnetic and eletrostatic separation: Basic principles and applications.
Filtration: Basic principles, equipment and operating practice
Tailings disposal: Construction, maintenance and rehabilitation of tailings dump, general environmental considerations.

Flow sheets for the beneficiation of copper, cobalt, lead, zinc, gold, tin, coal,  phosphate, industrial minerals.

MME 323 Corrosion Engineering                                                                             3units

Review of basic principles,  electrodes potential, e.m.f. series and standard electrodes and electrolytes.  Molten electrolytes  decomposition potential, polarization and over voltage, Theory of single metal and alloy plating.  Factors influencing the nature and distribution of electro-deposits, plating of Cu, Ni. Cr, Zn, Ag, Au, Cu-Zn and Ni-Co.  Testing of electrodeposites.  Anodizing, Direct chemical attack, electro-mechanical corrosion, Corrosion prevention methods – inhibition, passivation, metallic metallic coating, e.t.c..

The Nernst equation; potential-pH or Pourbaix diagrams and basic electrode kinetics,

polarization and passivity. Corrosion metallurgy, corrosion prevention and control, corrosion inhibitors. Case studies of corrosion of various materials – carbon steels,

cast irons, stainless steels, aluminum and its alloys, copper and its alloys, nickel and its alloys, magnesium and its alloys, refractory metals, noble metals, plastics, thermoplastics and other non-metallics.  Implantation problems – corrosion of surgical implant materials. High temperature oxidation and scaling. Theories of oxidation; mechanisms of film growth. Protective and non-protective oxide films. The Pilling-Bedworth ratio, oxidation kinetic. Calculations in corrosion studies. Introduction to corrosion economics.                                                              

MME 331 – Physical Metallurgy I                                                                        3 units

Stereographic Projection:  Notation, location of poles standard projections, rotation of poles, pole of a zone, standard triangles inter plannar angles e.t.c, Defects in crystals – point defects, line defects, interfacial and bulk defects. Dislocations and their role in plastic deformation and strain hardening. Introduction to diffusion; interstitial and substitutional diffusion; Fick’s Laws of diffusion. Phase equilibria and equilibrium diagrams; Vapour/liquid, liquid/solid and solid/solid transformations.  Solidification of pure metals and alloys. Solid state phase transformations spinodal decomposition, nucleation, cellular and displacive transformations; precipitation from solid solutions. Theories of recovery. Recrystallization and Grain growth. Introduction to the nature types and importance of phase diagrams types. Unary systems. Binary systems. Ternary system and other complex systems. Isomorphous phase diagrams, Phase transformations. Eutectic and Eutectoid systems; Peritectic and Peritectoid  systems; Monotectic systems; Synthectic systems. Order-disorder transformations. Methods for determination of phase diagrams.

MME 332 – Structure, Properties and Heat Treatment of Alloys.                                2 units

Application of concepts of phase transformations, structure-property relations and mechanical behaviour to the problems of heat-treatment and selection of steels. Formation of austenite, pearlite, bainite and martensite. Decomposition of austenite; continuous cooling and isothermal transformation. Cooling curves; TTT diagrams. Quenching, hardenability and Tempering; Austempering, Martempering. Annealing and Normalizing processes. Austenite grain-size and cooling correlations. Structures and properties resulting from the various heat treatments.  Structure, properties and heat treatment of other important commercial alloys also briefly treated, including Aluminum alloys, Copper alloys, Cast irons, Titanium alloys, Stainless steels, Tool Steels and Nickel & Cobalt super-alloys.

MME 333 – Basic Electron Theory of Materials                                                   2 units

Basic quantum physics of electronic structure and bonding in atoms, molecules and solids. Wave mechanics; the Heisenberg Uncertainty Principle; the Pauli Exclusion Principle and Schrodinger’s wave equation. Electrons in solids: Electronic Energy levels and bands. Free electron and quasi-free electron theories; Band structure. Zone structure: Fermi-Dirac. Einstein-Bose and Maxwell-Boltzmann Statistics: Fermi energies; Brillouin zones. Static electronic properties of metals.

Photoelectricity and Thermionic Emission. Electronic Structure of Semiconductors and insulators; the Hall Effect.  Thermal properties; the Debye theory of specific heat.

MME 341 – Mechanical Metallurgy I                                                                    2 units

Mechanical behaviour of materials: Stress-strain diagrams for brittle and ductile metals. Stress-strain relations; principal stresses, strains and directions; the Mohr Circle. Elastic and plastic deformation. Plastic deformation of single crystals and polycrystals; Plastic yield criteria. Fundamentals of dislocations; dislocation  density and dislocation motion. Deformation mechanisms – slip, twinning, grain boundary sliding, creep, Creep and stress rupture. Cyclic loading and fatigue. Strengthening mechanisms in metals and alloys.  Effects of cold working, hot working and annealing on mechanical properties.

MME 342 – Metallurgical Furnaces and Principles of Foundry Engineering      3 units

Features of acidic, basic and neutral refractories; Special Refractories; Selection of refractories for application in furnaces. Types of metallurgical furnaces – Shaft, Hearth, and Kiln Furnaces: Electric Furnaces; Crucible furnaces; L. D. and Bessemer Converters; Sintering furnaces and laboratory heat treatment furnaces. Metallurgical fuels – solid, liquid and gaseous; electrical and nuclear energy sources. Fuel and combustion stoichiometry. Principles of temperature measurement and temperature control in furnaces Fundamentals of metal casting. Solidification mechanism. Riser design and placement; Gating Design; Mould and pattern design and production. Core design; Shrinkage Allowances. Sand casting, Permanent mould casting, Die casting, Investment casting and Centrifugal casting, Moulding sands. Theory and practicals in cast iron, aluminum, copper and steel castings. Fettling, sand blasting, cleaning and inspection of castings. Foundry shop design.

MME 381 – Ceramic Engineering                                                                             2 units

Atomic Bonding, coordination and crystal structure in ceramic solids. Oxide structures and silicate structures. Structure of clay minerals, gibbsite and graphite. Polymorphism. Defects in oxides – Frenkel and Schottky defects; non-stoichiometric solids; point defects and electronic structure. Ceramic equilibrium diagrams. Phase transformations in ceramic systems. Grain growth, vitrification and sintering. The structure of glass; glass formation; viscous flow and relaxation phenomena. Glass transition temperature; Glass melting; types of glasses. Microstructure of glasses and glass-ceramics. Commercially important glasses and ceramics. Properties of  ceramics – thermal, optical, electrical, electronic, magnetic, dielectric and physico-mechanical properties. Mining and treatment of ceramics raw materials. Ceramics and glass processing technology; body preparation, slip casting, stiff plastic forming, dry pressing, dust pressing, isostatic pressing; extrusion, drying and firing; glass making technology; glass blowing. Glazing and enameling. Introduction to ceramic-matrix, metal matrix and polymer-matrix composites. Particulate reinforcement; continuous and discontinuous filament reinforcement. Mechanical and physical properties. Glass reinforced plastics technology. Cermets. Applications of composite materials.

MME 411 – Corrosion and Chemical Metallurgy Laboratory                                      1 unit

Basic laboratory exercises on corrosion of plain carbon and alloy steels, cast irons, stainless steels, aluminum alloys, and cooper alloys in acid, neutral and alkaline environments. Corrosion rate measurements using weight loss method. Pitting corrosion of stainless steels in solutions containing halides. Effect of inhibitors. Corrosion reports.

MME 413 – Mechanical Metallurgy Laboratory                                                           1 unit

Laboratory exercises on mechanical behaviour of materials. Theory of electro-mechanical systems (equipment and instrumentation). Fatigue and high temperature creep tests. Non-destructive Testing (NDT). Detailed Analysis of Test Results. An approved set of tests must be carried out by students who must subsequently submit reports on same.

MME 421 – Extraction Metallurgy II                                                                            2 units

Introduction to the Hydrometallurgical, Pyrometallurgical and Electrometallurgical principles involved in the winning and refining of metals. General survey of the field of metal extraction. Thermodynamic and kinetic principles involved in the winning of metals in iron-making processes. Fluxes and ore preparation; Thermodynamics and kinetics of Roasting.  Agglomeration, Briquetting, Nodulizing, sintering, and pelletizing, Removal of volatile materials and decomposition of carbonates. Introduction to electrometallurgy. Conductance and transference cell types and potentials: conduction in electrolytes; current and energy efficiency.  Applications to extractive metallurgy e.g. in aluminum production. Electro-refining of Nickel and copper; Electroplating. Electrolytic winning of copper and zinc. Basics of Hydrometallurgy; surface energy and surface tension; interfacial energy of gas/liquid and gas//solid interface. The three-phase interface; the electrical double layer: Adsorption and flocculation. Pyro-metallurgy and Extraction metallurgy of non-ferrous and rare earth metals.

MME 431 – Physical Metallurgy II                                                                  2 units

Solid phases in metallic systems. Allotropy or polymorphism. Interstitial and substitutional solid solutions; intermediate phases – interstitial and valence compounds, electron phases, ordered phases, defect phases. Surfaces; surface energy and interfacial energy. Diffusion controlled growth of equilibrium precipitates. Single phase precipitates, eutectoid transformations and discontinuous precipitates. Ostwald ripening, Martensitic transformations; massive transformations; Bainite. Applications of physical metallurgy.

MME 443 – Production Metallurgy                                                                 2 units

Metal casting and forming processes; plastic deformation processing – cold forming and hot forming. Forging-open die, closed-die and upset forging; Extrusion and drawing processes; coining, embossing, swaging, shearing, blanking, tube piercing, thread rolling, wire drawing, tube drawing, and stretch forming.

Rolling mill technology – hot and cold rolling; rolling load and power requirements. Sheet metal forming processes, grinding processes, and machining processes including non-traditional machining processes (ultrasonic, electrical discharge, chemical and electrochemical machining, etc.)

 

MME 451 –Welding Engineering                                                                2units

 Welding Processes, classification and other joining processes, Metallurgical fundamentals of Welding, Welding Codes, Welding   Equipment and Supplies, TIG, MIG, Resistance, Thermit and Stud Welding: principles, equipment and applications in the Oil & Gas Industry. Submerged-arc and other shielded-arc welding processes,  Solders and Soldering. Brazing and braze welding, Welding pipes, tubes and pressure vessels., Welding  steels, other ferrous alloys, Welding  nonferrous materials (aluminum and its alloys, copper and its alloys), Welding plastics, Testing and Inspection of Welds, Design of Welded Joints, Welding Symbols, Construction of Welding Rig, Quality Assurance of Welded joints, HSE Considerations in Welding.

MME 461 – Polymer Engineering                                                               3 units    

Molecular forces and chemical bonding in polymers. Basic structure of polymeric materials. Molecular weights and sizes of polymers. Structure and properties of bulk polymers: crystallinity; amorphous polymers, mechanical and physical properties. Glass transition and melting temperature. Thermoplastic and thermosetting polymers. Polymerization processes – condensation and addition (radical chain, ionic and co-ordination chain). Co-polymers. Hydrocarbon plastics and elastomers. Polymer technology; compression, injection and transfer moulding and  tubing; calendering arid casting. Basic raw materials; Additives filters, plasticizer, stabilizers, colorants, etc. Stamping and vacuum forming techniques; blow moulding; production of films and fibres. Characteristics of polymers – thermal behaviour; viscoelastic response; deterioration – scission and swelling; electrical and optical properties.

MME491 Technical Report Writing                                                                         3units

Technical Report Writing and other forms of writing, Format,  The Writing of the report: the key ingredients . Illustrations: accuracy, Spelling, punctuation, choice of words, sentence structure, paragraphs. Audience Analysis, analysis and interpretation of data, Structure of report, tables, graphs, space, diagrams, conciseness and  clarity.

The six steps of Technical Report Writing: Knowing the Audience, Data Gathering and Interpretation, Getting the Structure Right, Use of Graphs and Graphics, Simple Rules for Good English, Report Editing and Completion, Term papers and Final Project Writing, Referencing and Plagiarism.

MME 521Tools Steels: Metallurgy, Manufacture and Applications                        2 units

Manufacture, physical and mechanical testing, principles of heat treating, microstructure, properties and selection, alloying elements as related to physical metallurgy of tools steels.  Applications Tools Steels.

MME 522 – Manufacturing and Tools Engineering                                                     2 units

Review of basic manufacturing processes of casting, welding, forming and machining. Fabricating characteristics of materials – the relationships among materials properties, manufacturing processes and product properties. Functional characteristics of manufacturing equipment.. Surface finishing operations-grinding, shotpeening and burnishing; galvanizing, hot-dipping and plating processes. Manufacturing considerations in design-tolerance, interchangeable manufacture. Economics of manufacture.

MME 543 – Iron and Steel Making                                                                                 2 units

Review of iron-ore beneficiation; agglomeration techniques: pelletizing, balling, sintering and briquetting; review of fluxes for iron and steel making; limestone, dolomites, quartzite, etc. Calcining technology. Thermodynamics of oxide reductions in shaft furnaces. Analysis of blast furnace and direct reduction iron making technologies, cast and wrought iron production, steel refining, open-hearth converter and electric arc processes. Furnace slags and desulphurization in shaft furnaces. Role of oxygen in the intensification of shaft furnace operations. Steel making processes. Oxidation and reduction processes. Carbon-oxygen reactions in hearth and pneumatic steel making process. Role of slag in steel making. Desulphurization and dephosphorization reactions. De-oxidation and Alloying. Ladle metallurgy. Slag refining, degasification and tinning. Ingot and continuous casting. Alloy steel production.

MME 531- Transport Phenomena in Materials Engineering                                2 units

Equation of continuity. Methods of solving differential equations relating to transport phenomena. Unified principles of heat, mass and momentum transport with applications to materials Engineering. Electro-and Thermo- migration in metals. Fick’s 1st and 2nd Laws. Use of Error Functions, diffusion couples and phase diagram applications. Diffusion in various configurations. Case hardening and carburization. Advanced concepts in diffusion phenomenon.

Green function applications to diffusion; elements of the theory of electro-migration and thermotransport. Applications of the knowledge of diffusion to solutions of industrial problems.

MME 532 – Theory of Dislocations                                                                          2 units

Displacement, Elastic properties of dislocations, strain and stress fields of dislocations derived from linear elasticity theory; self-energy of dislocations, forces on dislocations and forces between dislocations. Peach Kochler equation. Theories of glide and climb motions of dislocations. Cross-slip. Dislocation reactions in crystals – quantitative treatment of dislocations in important crystal structures (bcc, fcc and hcp). Concepts and properties of perfect and imperfect dislocations, their mutual interaction and their relation to point defects and stacking faults. Jogs and kinks arising from dislocation interactions and their effect on dislocation motion. Origin and multiplication of dislocations. Lattice  resistance stresses – the Peierls-Nabarro stress.

MME 538- Advanced Phase Transformations and Heat Treatment                    2 units

Review of heat treatment of steels. Phase transformations in steel during heat treatment. TTT diagram, pearlite and bainite formation from Austenite. Martensitic transformations. CCT diagrams. Hardenability and heat treatment. Joining Curves. Design of heat treatments using hardenability data. Mechanical properties, surface treatments. Experimental work on heat treatment of carbon and alloy steels, tool steels, stainless steels, structural steels and cast irons. Three hours of each week are allocated to heat treatment laboratory work.

MME 541 – Theory and Design of Engineering Alloys                                        2 units

A study of the fundamental principles which determine the constitution, structure, treatment, and application of alloy steels and other special purpose high performance alloys; elements of alloy theory; types of alloys; solid solutions; intermediate phases-electrochemical compounds: size factor compounds and electron compounds; interstitial phases. Random and ordered solid solutions (super-lattices). Prediction of alloy phases from electronic configuration. Alloying techniques involving casting, induction and arc melting.

MME 542 – Mechanical Metallurgy II                                                                 2 units

Fracture of engineering materials. Theoretical cohesive strengths of solids, stress concentration, crack-tip stresses, and plastic zones. Linear elastic fracture mechanics: Griffith and Orowan theories; fracture toughness and plastic zone sizes; effect of plate thickness. Fracture toughness testing in practice. Notched bar fracture mechanics. Effects of temperature and metallurgical variables on fracture; environment-assisted cracking (stress-corrosion) of materials. Failure analysis. Review of creep and fatigue phenomena. Goodman. Gerber and Soderberg relations. Review of deformation theories and strengthening mechanisms. 

MME 524 – Metallurgical Plant Design                                                                3 units

Design features and operating principles of blast furnaces, and direct -reduction furnaces; BOF and electric arc furnaces; hearth furnaces, heating furnaces, cupolas and tilting furnaces; vacuum furnaces; mechanical and diffusion pumps; water-cooled electrodes; the arc melter; electrical resistivity equipment; comminution, ore beneficiation, and  agglomeration equipment – ball and gyratory mills, separation equipment, sintering machines and pelletizing facilities. Foundry shop design; features of primary and auxiliary facilities and layout of plant for production of iron, steel, aluminum, copper, powder metallurgy products. etc.

MME 546 – Powder Metallurgy                                                                                    2 units

Production and characterization of metal powder – particle sizes and shapes; apparent and tap densities; compressibility; pyrophoricity and toxicity. Powder grading and blending. Powder compaction techniques – die compaction, isostatic and compaction, forging, extruction slip casting, rolling, explosive and high energy rate forming techniques. Powder lubrication; Green densities of compacts. Sintering of powders. Porocity of green compacts and sintered masses. Structural, dimensional and density changes during sintering. Sintering furnaces. Power metallurgy processing: blending, briquetting and sintering processes; secondary operations. Advantages and limitations of powder metallurgy.

MME 551 Introduction to Composites                                                                      3units

General overview: définitions, matrices, renforcements, classifications, advantages and disadvantages

matrix materials: polymeric matrices, metallic matrices, ceramic matrices, reinforcement materials: particulates, flakes, whiskers, fibers: glass, aramid, al2o3, sic, carbon, natural fibers, manufacturing processes of PMCs: fiber forms, prepregs, molding compounds-processes, lay-ups, filament winding, pultrusion;

Factors affecting properties of composite materials; wettability, interactions at interface, interfacial bonding types, interfacial strength tests. etc. expérimental  characterization of composite materials ; mechanical, hydrothermal, micro-structural properties, micromechanics of composites; rule of mixtures, critical fiber length, short and continuous fibers, fiber orientation.  Application of composites; aerospace, marine, military, transport, building and construction, sports,  automobile. Practical /laboratory work on composite materials production.

MME 552 – Coal and Coke Technology                                                                        2 units

Coal and Coke Processing: Introduction to the formation, structure and properties of coal. Sampling and characterization of coal. Standard tests for coal and evaluation of coking coals. Coal carbonization processes, coking mechanism: plant and processes used in coke production. Treatment of gas and recovery of bye-products from coal carbonization. Characteristics of coal and impurities in relation to preparation and realization. Ancillary unit operations; agglomeration and briquetting, flocculation, dewatering, disposal of solid wastes, etc. Coal  cleaning, handling and storage. Economics of coal production and utilization

MME 556 – Refractories and Industrial Furnaces                                                          2 units

Refactory materials (Definition Types, Occurrence), Refactory clays (processing and production) physic-chemical properties of refractory materials. Application of refractory materials in high temperature vessels like Iron and steel production, Glass and petroleum Industries. Furnace (Definition, type and principles of operation) Design and construction of industrial furnaces. Furnace calculation.

MME 561-Engineering Materials Selection and Economics                                  3 units

Properties and Applications of commercially important metallurgical and materials systems: plain carbon and alloy steels; aluminum, copper and titanium alloys; cast iron; stainless steels; polymeric materials; ceramics; and high temperature materials. Criteria for materials selection. Materials for structural applications and for electrical, electronic, chemical and nuclear applications. High temperature, creep-resistant materials and materials for cryogenic applications. Corrosion – resistant materials and materials for use in energy conversion systems. Fatigue resistant materials. Material for special applications – insulating materials, refractories and composite materials. Technical and economic considerations in material selection – availability, durability, properties and cost. Materials recycling: principles and economics. Economics and environmental issues of materials exploitation and usage with special regard to present and future availability.

MME 572 – Paper Production Technology                                                       2 units

Physical and chemical properties of wood. Survey of holocellulose structures, hemi or semi-cellulose structures and lignin. Moisture content of wood. Wood seasoning and preservation. Pulp and paper: pulp-wood types and properties. Detailed treatment of pulping processes – chemical (sulphide, alkaline) and semi-chemical, mechanical and semi-mechanical. Further treatment of pulps including pulp screening, pulp washing and blending. Requirements for stock preparation before paper making, i.e. beating and refining, sizing of paper, dyeing of paper and development of wet strength in paper and paperboard. Paper production – theory and practice of processes. Finishing operations including pigment coating. Water usage and environmental pollution associated with pulp and paper industries.

MME 581 Nanoscience and Nanotechnology                                                   2 units 

Concept of Nanoscience and Nanotechnology and historical background. Review of Quantum Mechanics.  Nanosystems. Molecular dynamics. Scanning Probe Microscopy. Nanomaterials. Production and characterization of nanoparticles. Design of nanostructured systems. Nanomechanics of materials, Applications of nanosystems in the industry.  Carbon nanofibres, Nanocomposites. Fabrication Methods. Computational nanotechnology

MME 582 – Solid State Materials and Electronics                                      2 units

Electrical, optical and magnetic properties of microelectronic materials, Solid state materials processing; crystal growth and purification; growth defeat and morphology. Principles of semiconductor devices: p-n junctions, rectification and injection; transistors and diodes; metal-semiconductor and metal-insulator-semiconductor (MIS) junctions; tunnel diodes and zener diodes. Field-effect transistors (FETs). Manufacture of semiconductors and solid state devices, including fabrication of microelectronic integrated circuits (chip manufacture, doping, compensation, photolithography, gating, oxidation, etching, etc): alloying and diffusion techniques. Elemental and compound semiconductors; commercially important semiconductor materials.

 MME 584 – SPECIAL MATERIALS                                                               2 units

Nuclear Materials                                                                           

Atomic structures; nuclear structure and binding forces. The decay of radioactive nuclei. Introduction to nuclear reactions. Classification and use of reactors. Reactor components and materials. The behaviour of fuel, moderator, reflector shielding, control rod and structural materials in nuclear reactor environments with emphasis on the mechanism and effects of radiation damage – swelling and structural changes. Reprocessing of nuclear fuels and nuclear waste management.

Biomedical Materials                                           

Introduction to science and engineering of materials used in a variety of medical applications such as sutures, orthopaedic implants, artificial joints, blood vessel replacements and artificial organs. Elements of structure and properties of polymers, ceramics, and metals with emphasis on interaction with the body. Structure, fracture and healing of normal and abnormal bone. Material selection principles involving consideration of physical, mechanical and chemical properties of materials used in the design of engineering implant parts and structures.

MME 592 – Project                                                                                                6 units

This involves a supervised final year project on a topic within the field of metallurgical and materials engineering (and approved by the Departmental Examination Board) which shall be examined via a written project report and an oral presentation.